Gi\u1ed1ng nh\u01b0 h\u1ea7u h\u1ebft m\u1ecdi kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c s\u1ea3n xu\u1ea5t chuy\u00ean bi\u1ec7t, m\u1ed9t n\u1ec1n t\u1ea3ng ph\u00e2n t\u00e1n theo nhu c\u1ea7u \u0111\u00f2i h\u1ecfi nh\u1eefng c\u00e2n nh\u1eafc v\u1ec1 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u1ed9c \u0111\u00e1o. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 th\u00e1ch th\u1ee9c, m\u1ed7i th\u00e1ch th\u1ee9c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u ho\u1eb7c t\u1ed1i thi\u1ec3u h\u00f3a th\u00f4ng qua ki\u1ebfn \u200b\u200btr\u00fac \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf chu \u0111\u00e1o.<\/p>\n
\u0110\u1ed9 nh\u1ea1y \u0111\u1ed9 tr\u1ec5<\/a><\/h3>\nX\u00e1c \u0111\u1ecbnh c\u00e1c ngu\u1ed3n c\u00f3 \u0111\u1ed9 tr\u1ec5 cao v\u00e0 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a \u0111\u1ed9 tr\u1ec5 t\u1eeb c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u00f3.<\/em><\/p>\nVi\u1ec7c ph\u1ee5c v\u1ee5 qu\u1ea3ng c\u00e1o c\u1ea7n \u0111\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi nhi\u1ec1u h\u1ec7 th\u1ed1ng kh\u00e1c. Qu\u1ea3ng c\u00e1o c\u1ea7n \u0111\u01b0\u1ee3c ch\u1ecdn cho – v\u00e0 hi\u1ec3n th\u1ecb cho – ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i c\u00e0ng nhanh c\u00e0ng t\u1ed1t. Ngay c\u1ea3 nh\u1eefng s\u1ef1 gia t\u0103ng nh\u1ecf v\u1ec1 \u0111\u1ed9 tr\u1ec5 c\u0169ng c\u00f3 th\u1ec3 c\u00f3 t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c l\u1edbn \u0111\u1ebfn SLA c\u1ee7a kh\u00e1ch h\u00e0ng v\u00e0 t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i c\u1ee7a ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i. Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng ph\u1ee5c v\u1ee5 qu\u1ea3ng c\u00e1o t\u1eadp trung l\u00e0 nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y ra \u0111\u1ed9 tr\u1ec5 cao, m\u1eb7c d\u00f9 b\u1ea1n n\u00ean x\u00e1c \u0111\u1ecbnh b\u1ea5t k\u1ef3 th\u00e0nh ph\u1ea7n n\u00e0o kh\u00e1c trong h\u1ec7 th\u1ed1ng hi\u1ec7n t\u1ea1i c\u1ee7a m\u00ecnh c\u0169ng c\u00f3 th\u1ec3 g\u00f3p ph\u1ea7n g\u00e2y ra \u0111\u1ed9 tr\u1ec5 cao.<\/p>\n
B\u1ea3n ch\u1ea5t ph\u00e2n t\u00e1n c\u1ee7a gi\u1ea3i ph\u00e1p n\u00e0y \u0111\u01b0a c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh \u0111\u1ebfn g\u1ea7n ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i h\u01a1n, gi\u1ea3m \u0111\u1ed9 tr\u1ec5 so v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng t\u1eadp trung truy\u1ec1n th\u1ed1ng h\u01a1n. Ngo\u00e0i ra, chuy\u1ec3n \u0111\u1ed5i d\u1ef1 ph\u00f2ng \u0111\u01b0\u1ee3c cung c\u1ea5p cho t\u1eebng v\u00f9ng v\u00e0 di\u1ec5n ra nhanh ch\u00f3ng \u0111\u1ec3 gi\u1ea3m th\u1eddi gian ch\u1ebft v\u00e0 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn \u0111\u1ed9 tr\u1ec5.<\/p>\n
\u0110\u1ed9 nh\u1ea1y chi ph\u00ed (bi\u00ean l\u1ee3i nhu\u1eadn th\u1ea5p)<\/a><\/h3>\nX\u00e1c \u0111\u1ecbnh c\u00e1c ngu\u1ed3n chi ph\u00ed c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00e1ng k\u1ec3 v\u00e0 t\u00ecm c\u00e1ch gi\u1ea3m c\u00e1c chi ph\u00ed \u0111\u00f3.<\/em><\/p>\nDo bi\u00ean l\u1ee3i nhu\u1eadn t\u01b0\u01a1ng \u0111\u1ed1i nh\u1ecf trong kh\u00f4ng gian ph\u1ee5c v\u1ee5 qu\u1ea3ng c\u00e1o, chi ph\u00ed c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00e1m m\u00e2y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn l\u1ee3i nhu\u1eadn. Gi\u1ea3m chi ph\u00ed \u0111\u00e1m m\u00e2y \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c l\u1eadp k\u1ebf ho\u1ea1ch c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng.<\/p>\n
M\u1ed9t ngu\u1ed3n chi ph\u00ed c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng ch\u00ednh l\u00e0 ph\u00ed tho\u00e1t. B\u1eb1ng c\u00e1ch l\u01b0u tr\u1eef h\u1ec7 th\u1ed1ng ph\u1ee5c v\u1ee5 qu\u1ea3ng c\u00e1o ph\u00e2n t\u00e1n tr\u00ean n\u1ec1n t\u1ea3ng \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y c\u1ee7a Akamai, chi ph\u00ed tho\u00e1t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf ho\u1eb7c gi\u1ea3m \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c c\u00f4ng ty si\u00eau quy m\u00f4. Gi\u1ea3i ph\u00e1p trong h\u01b0\u1edbng d\u1eabn n\u00e0y \u0111\u00e3 gi\u00fap gi\u1ea3m 40% chi ph\u00ed cho m\u1ed9t kh\u00e1ch h\u00e0ng \u0111\u01b0\u1ee3c l\u1eadp h\u1ed3 s\u01a1.<\/p>\n
M\u1ed9t nguy\u00ean nh\u00e2n kh\u00e1c d\u1eabn \u0111\u1ebfn chi ph\u00ed \u0111\u00e1m m\u00e2y v\u00e0 ph\u00ed tho\u00e1t t\u0103ng l\u00e0 l\u01b0\u1ee3ng l\u01b0u l\u01b0\u1ee3ng cao. Ph\u00e2n c\u1ea5p m\u1ed9t s\u1ed1 th\u00e0nh ph\u1ea7n nh\u01b0ng kh\u00f4ng ph\u1ea3i nh\u1eefng th\u00e0nh ph\u1ea7n kh\u00e1c c\u00f3 th\u1ec3 l\u00e0m t\u0103ng l\u01b0u l\u01b0\u1ee3ng li\u00ean v\u00f9ng khi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng ph\u00e2n t\u00e1n \u0111ang giao ti\u1ebfp v\u1edbi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng t\u1eadp trung. \u0110\u1ec3 h\u1ea1n ch\u1ebf ph\u00ed tho\u00e1t li\u00ean quan \u0111\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u00e0y, c\u1ea7n tri\u1ec3n khai h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef \u0111\u1ec7m tr\u00ean c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n. S\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, c\u00e1c phi\u00ean b\u1ea3n c\u1ee5c b\u1ed9 \u0111\u1ed3ng b\u1ed9 h\u00f3a d\u1eef li\u1ec7u quan tr\u1ecdng (nh\u01b0 kho qu\u1ea3ng c\u00e1o v\u00e0 gi\u00e1 th\u1ea7u) \u0111\u1ec3 gi\u1ea3m l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng \u0111\u1ebfn \u0111\u00e1m m\u00e2y t\u1eadp trung. Ngo\u00e0i ra, do m\u1ea1ng l\u01b0\u1edbi to\u00e0n c\u1ea7u c\u1ee7a Akamai v\u00e0 m\u1ed1i quan h\u1ec7 v\u1edbi c\u00e1c si\u00eau quy m\u00f4 kh\u00e1c, chi ph\u00ed tho\u00e1t khi truy\u1ec1n d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef t\u1eadp trung tr\u00ean m\u1ed9t si\u00eau quy m\u00f4 kh\u00e1c c\u0169ng b\u1ecb lo\u1ea1i b\u1ecf ho\u1eb7c gi\u1ea3m.<\/p>\n
N\u1ed7 l\u1ef1c h\u1ed9i nh\u1eadp v\u00e0 di c\u01b0<\/a><\/h3>\nH\u00e3y c\u00e2n nh\u1eafc l\u01b0\u1ee3ng c\u00f4ng s\u1ee9c c\u1ea7n b\u1ecf ra khi thay \u0111\u1ed5i c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u00e0 thi\u1ebft k\u1ebf m\u1ed9t ki\u1ebfn \u200b\u200btr\u00fac gi\u00fap gi\u1ea3m thi\u1ec3u c\u00f4ng s\u1ee9c n\u00e0y \u1edf b\u1ea5t c\u1ee9 n\u01a1i n\u00e0o c\u00f3 th\u1ec3.<\/em><\/p>\nKhi thi\u1ebft k\u1ebf l\u1ea1i m\u1ed9t \u1ee9ng d\u1ee5ng, l\u01b0\u1ee3ng c\u00f4ng s\u1ee9c b\u1ecf ra \u0111\u1ec3 thi\u1ebft k\u1ebf v\u00e0 t\u00edch h\u1ee3p c\u00e1c h\u1ec7 th\u1ed1ng m\u1edbi \u2014 c\u0169ng nh\u01b0 di chuy\u1ec3n sang nh\u00e0 cung c\u1ea5p kh\u00e1c \u2014 c\u00f3 th\u1ec3 \u0111\u1eb7t ra nh\u1eefng th\u00e1ch th\u1ee9c \u0111\u00e1ng k\u1ec3. Gi\u1ea3i ph\u00e1p trong h\u01b0\u1edbng d\u1eabn n\u00e0y ch\u1ec9 y\u00eau c\u1ea7u di chuy\u1ec3n m\u1ed9t ph\u1ea7n quy tr\u00ecnh ph\u1ee5c v\u1ee5 qu\u1ea3ng c\u00e1o sang n\u1ec1n t\u1ea3ng Akamai, ngh\u0129a l\u00e0 nhi\u1ec1u th\u00e0nh ph\u1ea7n t\u1eadp trung kh\u00f4ng c\u1ea7n ph\u1ea3i di chuy\u1ec3n. H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef qu\u1ea3ng c\u00e1o v\u1eabn kh\u00f4ng thay \u0111\u1ed5i, c\u0169ng nh\u01b0 c\u00e1c c\u01a1 s\u1edf d\u1eef li\u1ec7u quan tr\u1ecdng kh\u00e1c. L\u01b0\u1ee3ng c\u00f4ng s\u1ee9c b\u1ecf ra \u0111\u01b0\u1ee3c gi\u1ea3m \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p kh\u1ea3 thi kh\u00e1c.<\/p>\n
S\u01a1 \u0111\u1ed3 thi\u1ebft k\u1ebf c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng<\/a><\/h3>\nS\u01a1 \u0111\u1ed3 b\u00ean d\u01b0\u1edbi gi\u1edbi thi\u1ec7u c\u00e1c th\u00e0nh ph\u1ea7n c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng cho ph\u00e9p DSP \u0111a v\u00f9ng tr\u00ean \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y Akamai, trong khi v\u1eabn gi\u1eef nguy\u00ean c\u00e1c h\u1ec7 th\u1ed1ng d\u1eef li\u1ec7u t\u1eadp trung hi\u1ec7n c\u00f3. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn c\u00e1c y\u00eau c\u1ea7u \u0111\u1ebfn v\u00f9ng g\u1ea7n nh\u1ea5t v\u1edbi ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i (c\u00e1c nh\u00e0 qu\u1ea3ng c\u00e1o v\u00e0 c\u00f4ng ty qu\u1ea3ng c\u00e1o), c\u00e2n b\u1eb1ng t\u1ea3i c\u00e1c y\u00eau c\u1ea7u gi\u1eefa nhi\u1ec1u h\u1ec7 th\u1ed1ng ph\u1ee5 tr\u1ee3, l\u01b0u tr\u1eef \u0111\u1ec7m m\u1ed9t b\u1ea3n sao c\u1ee7a b\u1ea5t k\u1ef3 d\u1eef li\u1ec7u t\u1eadp trung n\u00e0o v\u00e0 gi\u00e1m s\u00e1t c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n![\"Infrastructure](\"https:\/\/www.linode.com\/docs\/guides\/distributed-demand-side-platform\/dsp-design-diagram_huc2a18e46e27f5ea73656c466f65d9060_465647_2566x0_resize_q71_bgfafafc_catmullrom.jpg\" "\\"Infrastructure")
<\/figure>\n\n- Kh\u00e1ch h\u00e0ng (nh\u00e0 qu\u1ea3ng c\u00e1o) t\u01b0\u01a1ng t\u00e1c v\u1edbi DSP \u0111\u1ec3 c\u1ea5u h\u00ecnh chi\u1ebfn d\u1ecbch v\u00e0 \u0111\u1eb7t gi\u00e1 th\u1ea7u cho h\u00e0ng t\u1ed3n kho.<\/li>\n
- Nh\u00e0 qu\u1ea3ng c\u00e1o g\u1eedi gi\u00e1 th\u1ea7u \u0111\u1ec3 qu\u1ea3ng c\u00e1o c\u1ee7a h\u1ecd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb cho ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i. \u0110i\u1ec1u n\u00e0y c\u00f3 d\u1ea1ng y\u00eau c\u1ea7u API HTTPS.<\/li>\n
- Y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c \u0111\u1ecbnh tuy\u1ebfn \u0111\u1ebfn m\u1ed9t trong nhi\u1ec1u v\u00f9ng t\u00ednh to\u00e1n (trung t\u00e2m d\u1eef li\u1ec7u). V\u00ec \u0111\u00e2y l\u00e0 \u1ee9ng d\u1ee5ng ph\u00e2n t\u00e1n, y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c \u0111\u1ecbnh tuy\u1ebfn th\u00f4ng qua gi\u1ea3i ph\u00e1p c\u00e2n b\u1eb1ng t\u1ea3i th\u00f4ng minh d\u1ef1a tr\u00ean DNS, ch\u1eb3ng h\u1ea1n nh\u01b0 Akamai Global Traffic Manager (GTM)<\/a> . B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i to\u00e0n c\u1ea7u x\u00e1c \u0111\u1ecbnh v\u00f9ng n\u00e0o c\u00f3 th\u1ec3 ph\u1ee5c v\u1ee5 t\u1ed1t nh\u1ea5t y\u00eau c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng. \u0110i\u1ec1u n\u00e0y t\u00ednh \u0111\u1ebfn v\u1ecb tr\u00ed, hi\u1ec7u su\u1ea5t v\u00e0 t\u00ednh kh\u1ea3 d\u1ee5ng. Gi\u1ea3i ph\u00e1p c\u00e2n b\u1eb1ng t\u1ea3i nh\u01b0 th\u1ebf n\u00e0y l\u00e0 c\u00e1ch l\u00fd t\u01b0\u1edfng \u0111\u1ec3 gi\u1ea3m \u0111\u1ed9 tr\u1ec5 (c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 hi\u1ec3n th\u1ecb qu\u1ea3ng c\u00e1o) v\u00e0 t\u0103ng kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i (m\u1ed9t l\u1ed7i kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn to\u00e0n b\u1ed9 dung l\u01b0\u1ee3ng).<\/li>\n
- B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i c\u1ee5c b\u1ed9, ch\u1eb3ng h\u1ea1n nh\u01b0 Compute Instance ch\u1ea1y HAProxy, \u0111\u1ecbnh tuy\u1ebfn y\u00eau c\u1ea7u \u0111\u1ebfn m\u1ed9t trong nhi\u1ec1u c\u1ee5m ph\u1ee5 tr\u1ee3. Nhi\u1ec1u c\u1ee5m th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ed9t v\u00f9ng duy nh\u1ea5t \u0111\u1ec3 d\u1ef1 ph\u00f2ng v\u00e0 m\u1edf r\u1ed9ng quy m\u00f4. C\u00e1c n\u1ec1n t\u1ea3ng ph\u1ed1i h\u1ee3p, ch\u1eb3ng h\u1ea1n nh\u01b0 LKE<\/a> , c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 qu\u1ea3n l\u00fd c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1ee5m.<\/li>\n
- C\u1ed5ng API frontend b\u1eaft \u0111\u1ea7u x\u1eed l\u00fd y\u00eau c\u1ea7u. C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y ho\u1ea1t \u0111\u1ed9ng tr\u01b0\u1edbc m\u00e1y ch\u1ee7 \u0111\u1ea5u th\u1ea7u \u0111\u1ec3 gi\u1ea3m chi ph\u00ed x\u1eed l\u00fd \u0111\u1ea5u th\u1ea7u v\u00e0 tho\u00e1t. C\u00e1c m\u00e1y ch\u1ee7 frontend n\u00e0y th\u01b0\u1eddng c\u00f3 kh\u1ea3 n\u0103ng \u00e1p d\u1ee5ng logic kinh doanh \u0111\u1ec3 giao ti\u1ebfp v\u1edbi c\u00e1c s\u00e0n giao d\u1ecbch qu\u1ea3ng c\u00e1o c\u0169ng nh\u01b0 m\u00e1y ch\u1ee7 \u0111\u1ea5u th\u1ea7u v\u00e0 b\u1ea5t k\u1ef3 d\u1ecbch v\u1ee5 si\u00eau nh\u1ecf n\u00e0o kh\u00e1c tr\u00ean c\u1ee5m.<\/li>\n
- C\u1ed5ng giao di\u1ec7n g\u1eedi y\u00eau c\u1ea7u \u0111\u1ea5u gi\u00e1 \u0111\u1ebfn m\u00e1y ch\u1ee7 \u0111\u1ea5u gi\u00e1. Trong qu\u00e1 tr\u00ecnh \u0111\u1ea5u gi\u00e1 n\u00e0y, gi\u00e1 th\u1ea7u \u0111\u01b0\u1ee3c kh\u1edbp v\u1edbi kho qu\u1ea3ng c\u00e1o c\u1ee5c b\u1ed9 v\u00e0 so s\u00e1nh v\u1edbi c\u00e1c nh\u00e0 qu\u1ea3ng c\u00e1o kh\u00e1c s\u1eed d\u1ee5ng n\u1ec1n t\u1ea3ng DSP.<\/li>\n
- Khi x\u1eed l\u00fd gi\u00e1 th\u1ea7u, m\u1ed9t m\u00e1y ch\u1ee7 l\u01b0u tr\u1eef c\u1ee5c b\u1ed9 s\u1ebd \u0111\u01b0\u1ee3c truy v\u1ea5n. B\u1ed9 nh\u1edb \u0111\u1ec7m n\u00e0y bao g\u1ed3m d\u1eef li\u1ec7u t\u1eeb b\u1ea5t k\u1ef3 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng t\u1eadp trung n\u00e0o, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u01a1 s\u1edf d\u1eef li\u1ec7u cho kho qu\u1ea3ng c\u00e1o, h\u1ed3 s\u01a1 ng\u01b0\u1eddi d\u00f9ng, v.v. \u0110i\u1ec1u n\u00e0y lo\u1ea1i b\u1ecf s\u1ef1 ch\u1eadm tr\u1ec5 li\u00ean quan \u0111\u1ebfn vi\u1ec7c truy v\u1ea5n h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef t\u1eadp trung tr\u00ean m\u1ed7i y\u00eau c\u1ea7u.\n
\n- B\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee5c b\u1ed9 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt \u0111\u1ecbnh k\u1ef3. D\u1eef li\u1ec7u trong b\u1ed9 nh\u1edb \u0111\u1ec7m \u0111\u01b0\u1ee3c l\u00e0m m\u1edbi \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o th\u00f4ng tin m\u1edbi nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/li>\n<\/ol>\n<\/li>\n
- Th\u00f4ng tin t\u1eeb b\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee5c b\u1ed9 \u0111\u01b0\u1ee3c g\u1eedi tr\u1edf l\u1ea1i m\u00e1y ch\u1ee7 \u0111\u1ea5u gi\u00e1.<\/li>\n
- Gi\u00e1 th\u1ea7u \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1edfi m\u00e1y ch\u1ee7 \u0111\u1ea5u th\u1ea7u. \u1ede \u0111\u00e2y, gi\u00e1 th\u1ea7u \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn (v\u00e0 s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ebfn c\u00e1c s\u00e0n giao d\u1ecbch qu\u1ea3ng c\u00e1o ho\u1eb7c nh\u00e0 xu\u1ea5t b\u1ea3n) hay b\u1ecb t\u1eeb ch\u1ed1i.<\/li>\n
- DSP th\u00f4ng b\u00e1o cho nh\u00e0 qu\u1ea3ng c\u00e1o v\u1ec1 k\u1ebft qu\u1ea3 \u0111\u1ea5u th\u1ea7u b\u1eb1ng c\u00e1ch c\u1eadp nh\u1eadt giao di\u1ec7n web.<\/li>\n<\/ol>\n
H\u1ec7 th\u1ed1ng v\u00e0 th\u00e0nh ph\u1ea7n<\/a><\/h2>\n\n- B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i to\u00e0n c\u1ea7u.<\/strong> Akamai Global Traffic Manager (GTM)<\/a> c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn c\u00e1c y\u00eau c\u1ea7u \u0111\u1ebfn khu v\u1ef1c g\u1ea7n nh\u1ea5t v\u1edbi ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i.<\/li>\n
- B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i c\u1ee5c b\u1ed9.<\/strong> Trong m\u1ed7i v\u00f9ng, m\u1ed9t b\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u00e2n b\u1eb1ng l\u01b0u l\u01b0\u1ee3ng gi\u1eefa nhi\u1ec1u c\u1ee5m backend. B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i n\u00e0y ph\u1ea3i d\u1ef1 ph\u00f2ng v\u00e0 ph\u1ea3i chuy\u1ec3n \u0111\u1ed5i d\u1ef1 ph\u00f2ng sang b\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i th\u1ee9 c\u1ea5p m\u1ed9t c\u00e1ch nh\u1eb9 nh\u00e0ng \u0111\u1ec3 tr\u00e1nh th\u1eddi gian ch\u1ebft. C\u00e1c gi\u1ea3i ph\u00e1p c\u00e2n b\u1eb1ng t\u1ea3i kh\u1ea3 thi bao g\u1ed3m NodeBalancers<\/a> , NGINX v\u00e0 HAProxy.<\/li>\n
- C\u1ee5m ph\u1ee5c v\u1ee5 qu\u1ea3ng c\u00e1o DSP.<\/strong> C\u00e1c c\u1ee5m ph\u1ee5c v\u1ee5 qu\u1ea3ng c\u00e1o ch\u1ea1y tr\u00ean n\u1ec1n t\u1ea3ng ph\u1ed1i h\u1ee3p container nh\u01b0 LKE<\/a> v\u00e0 bao g\u1ed3m nhi\u1ec1u Compute Instance<\/a> , m\u1ed7i c\u1ee5m ch\u1ea1y m\u1ed9t ho\u1eb7c nhi\u1ec1u th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea b\u00ean d\u01b0\u1edbi. N\u00ean s\u1eed d\u1ee5ng nhi\u1ec1u c\u1ee5m trong m\u1ed7i v\u00f9ng \u0111\u1ec3 duy tr\u00ec t\u00ednh d\u1ef1 ph\u00f2ng v\u00e0 cho ph\u00e9p t\u00ednh kh\u1ea3 d\u1ee5ng cao.\n
\n- Frontend API Gateway.<\/strong> C\u1ed5ng n\u00e0y proxy t\u1ea5t c\u1ea3 c\u00e1c y\u00eau c\u1ea7u API cho c\u00e1c API li\u00ean quan \u0111\u1ebfn qu\u1ea3ng c\u00e1o kh\u00e1c \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean c\u1ee5m. C\u00e1c c\u1ed5ng API kh\u1ea3 thi bao g\u1ed3m Kong, NGINX, Tyk v\u00e0 Gravitee.<\/li>\n
- M\u00e1y ch\u1ee7 \u0111\u1ea5u gi\u00e1 th\u1eddi gian th\u1ef1c.<\/strong> L\u01b0u tr\u1eef t\u1ea5t c\u1ea3 logic x\u00e1c \u0111\u1ecbnh gi\u00e1 th\u1ea7u n\u00e0o \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn ho\u1eb7c t\u1eeb ch\u1ed1i. C\u00f3 th\u1ec3 truy c\u1eadp b\u1eb1ng API v\u00e0 c\u00e1c y\u00eau c\u1ea7u s\u1ebd ch\u1ec9 \u0111\u1ebfn t\u1eeb c\u1ed5ng API trong c\u1ee5m \u0111\u00f3.<\/li>\n
- H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef \u0111\u1ec7m.<\/strong> M\u1ed7i c\u1ee5m n\u00ean bao g\u1ed3m m\u1ed9t b\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee5c b\u1ed9 c\u1ee7a b\u1ea5t k\u1ef3 c\u01a1 s\u1edf d\u1eef li\u1ec7u li\u00ean quan \u0111\u1ebfn qu\u1ea3ng c\u00e1o t\u1eadp trung quan tr\u1ecdng n\u00e0o, ch\u1eb3ng h\u1ea1n nh\u01b0 kho qu\u1ea3ng c\u00e1o v\u00e0 c\u00f3 th\u1ec3 l\u00e0 h\u1ed3 s\u01a1 ng\u01b0\u1eddi d\u00f9ng. C\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef \u0111\u1ec7m c\u1ee5c b\u1ed9 c\u00f3 th\u1ec3 bao g\u1ed3m Redis, Apache Ignite, Memcached v\u00e0 Couchbase.<\/li>\n<\/ul>\n<\/li>\n
- H\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t.<\/strong> \u0110\u1ec3 gi\u00e1m s\u00e1t tr\u1ea1ng th\u00e1i c\u1ee7a b\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i v\u00e0 c\u1ee5m trong khu v\u1ef1c \u0111\u00f3, c\u1ea7n c\u1ea5u h\u00ecnh h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t v\u00e0\/ho\u1eb7c ghi nh\u1eadt k\u00fd. C\u00e1c gi\u1ea3i ph\u00e1p gi\u00e1m s\u00e1t kh\u1ea3 thi bao g\u1ed3m Prometheus, Grafana v\u00e0 ThousandEyes.<\/li>\n<\/ul>\n
Ngu\u1ed3n : https:\/\/www.linode.com\/docs\/guides\/distributed-demand-side-platform\/<\/p>\n","protected":false},"excerpt":{"rendered":"
C\u00e1c nh\u00e0 qu\u1ea3ng c\u00e1o (v\u00e0 c\u00e1c c\u00f4ng ty qu\u1ea3ng c\u00e1o) s\u1eed d\u1ee5ng c\u00e1c n\u1ec1n t\u1ea3ng ph\u00eda c\u1ea7u (DSP) \u0111\u1ec3 tham gia v\u00e0o vi\u1ec7c mua qu\u1ea3ng c\u00e1o theo ch\u01b0\u01a1ng tr\u00ecnh. DSP cho ph\u00e9p c\u00e1c nh\u00e0 qu\u1ea3ng c\u00e1o \u0111\u1ecbnh c\u1ea5u h\u00ecnh c\u00e1c chi\u1ebfn d\u1ecbch qu\u1ea3ng c\u00e1o c\u1ee7a h\u1ecd v\u00e0 \u0111\u1eb7t gi\u00e1 th\u1ea7u cho kho qu\u1ea3ng c\u00e1o (kh\u00f4ng<\/p>\n","protected":false},"author":1,"featured_media":35389,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[125],"tags":[],"class_list":["post-34849","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-solutions"],"_links":{"self":[{"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/posts\/34849","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/comments?post=34849"}],"version-history":[{"count":0,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/posts\/34849\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/media\/35389"}],"wp:attachment":[{"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/media?parent=34849"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/categories?post=34849"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/tags?post=34849"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Vi\u1ec7c ph\u1ee5c v\u1ee5 qu\u1ea3ng c\u00e1o c\u1ea7n \u0111\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi nhi\u1ec1u h\u1ec7 th\u1ed1ng kh\u00e1c. Qu\u1ea3ng c\u00e1o c\u1ea7n \u0111\u01b0\u1ee3c ch\u1ecdn cho – v\u00e0 hi\u1ec3n th\u1ecb cho – ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i c\u00e0ng nhanh c\u00e0ng t\u1ed1t. Ngay c\u1ea3 nh\u1eefng s\u1ef1 gia t\u0103ng nh\u1ecf v\u1ec1 \u0111\u1ed9 tr\u1ec5 c\u0169ng c\u00f3 th\u1ec3 c\u00f3 t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c l\u1edbn \u0111\u1ebfn SLA c\u1ee7a kh\u00e1ch h\u00e0ng v\u00e0 t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i c\u1ee7a ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i. Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng ph\u1ee5c v\u1ee5 qu\u1ea3ng c\u00e1o t\u1eadp trung l\u00e0 nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y ra \u0111\u1ed9 tr\u1ec5 cao, m\u1eb7c d\u00f9 b\u1ea1n n\u00ean x\u00e1c \u0111\u1ecbnh b\u1ea5t k\u1ef3 th\u00e0nh ph\u1ea7n n\u00e0o kh\u00e1c trong h\u1ec7 th\u1ed1ng hi\u1ec7n t\u1ea1i c\u1ee7a m\u00ecnh c\u0169ng c\u00f3 th\u1ec3 g\u00f3p ph\u1ea7n g\u00e2y ra \u0111\u1ed9 tr\u1ec5 cao.<\/p>\n
B\u1ea3n ch\u1ea5t ph\u00e2n t\u00e1n c\u1ee7a gi\u1ea3i ph\u00e1p n\u00e0y \u0111\u01b0a c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh \u0111\u1ebfn g\u1ea7n ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i h\u01a1n, gi\u1ea3m \u0111\u1ed9 tr\u1ec5 so v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng t\u1eadp trung truy\u1ec1n th\u1ed1ng h\u01a1n. Ngo\u00e0i ra, chuy\u1ec3n \u0111\u1ed5i d\u1ef1 ph\u00f2ng \u0111\u01b0\u1ee3c cung c\u1ea5p cho t\u1eebng v\u00f9ng v\u00e0 di\u1ec5n ra nhanh ch\u00f3ng \u0111\u1ec3 gi\u1ea3m th\u1eddi gian ch\u1ebft v\u00e0 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn \u0111\u1ed9 tr\u1ec5.<\/p>\n
\u0110\u1ed9 nh\u1ea1y chi ph\u00ed (bi\u00ean l\u1ee3i nhu\u1eadn th\u1ea5p)<\/a><\/h3>\nX\u00e1c \u0111\u1ecbnh c\u00e1c ngu\u1ed3n chi ph\u00ed c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00e1ng k\u1ec3 v\u00e0 t\u00ecm c\u00e1ch gi\u1ea3m c\u00e1c chi ph\u00ed \u0111\u00f3.<\/em><\/p>\nDo bi\u00ean l\u1ee3i nhu\u1eadn t\u01b0\u01a1ng \u0111\u1ed1i nh\u1ecf trong kh\u00f4ng gian ph\u1ee5c v\u1ee5 qu\u1ea3ng c\u00e1o, chi ph\u00ed c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00e1m m\u00e2y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn l\u1ee3i nhu\u1eadn. Gi\u1ea3m chi ph\u00ed \u0111\u00e1m m\u00e2y \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c l\u1eadp k\u1ebf ho\u1ea1ch c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng.<\/p>\n
M\u1ed9t ngu\u1ed3n chi ph\u00ed c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng ch\u00ednh l\u00e0 ph\u00ed tho\u00e1t. B\u1eb1ng c\u00e1ch l\u01b0u tr\u1eef h\u1ec7 th\u1ed1ng ph\u1ee5c v\u1ee5 qu\u1ea3ng c\u00e1o ph\u00e2n t\u00e1n tr\u00ean n\u1ec1n t\u1ea3ng \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y c\u1ee7a Akamai, chi ph\u00ed tho\u00e1t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf ho\u1eb7c gi\u1ea3m \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c c\u00f4ng ty si\u00eau quy m\u00f4. Gi\u1ea3i ph\u00e1p trong h\u01b0\u1edbng d\u1eabn n\u00e0y \u0111\u00e3 gi\u00fap gi\u1ea3m 40% chi ph\u00ed cho m\u1ed9t kh\u00e1ch h\u00e0ng \u0111\u01b0\u1ee3c l\u1eadp h\u1ed3 s\u01a1.<\/p>\n
M\u1ed9t nguy\u00ean nh\u00e2n kh\u00e1c d\u1eabn \u0111\u1ebfn chi ph\u00ed \u0111\u00e1m m\u00e2y v\u00e0 ph\u00ed tho\u00e1t t\u0103ng l\u00e0 l\u01b0\u1ee3ng l\u01b0u l\u01b0\u1ee3ng cao. Ph\u00e2n c\u1ea5p m\u1ed9t s\u1ed1 th\u00e0nh ph\u1ea7n nh\u01b0ng kh\u00f4ng ph\u1ea3i nh\u1eefng th\u00e0nh ph\u1ea7n kh\u00e1c c\u00f3 th\u1ec3 l\u00e0m t\u0103ng l\u01b0u l\u01b0\u1ee3ng li\u00ean v\u00f9ng khi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng ph\u00e2n t\u00e1n \u0111ang giao ti\u1ebfp v\u1edbi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng t\u1eadp trung. \u0110\u1ec3 h\u1ea1n ch\u1ebf ph\u00ed tho\u00e1t li\u00ean quan \u0111\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u00e0y, c\u1ea7n tri\u1ec3n khai h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef \u0111\u1ec7m tr\u00ean c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n. S\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, c\u00e1c phi\u00ean b\u1ea3n c\u1ee5c b\u1ed9 \u0111\u1ed3ng b\u1ed9 h\u00f3a d\u1eef li\u1ec7u quan tr\u1ecdng (nh\u01b0 kho qu\u1ea3ng c\u00e1o v\u00e0 gi\u00e1 th\u1ea7u) \u0111\u1ec3 gi\u1ea3m l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng \u0111\u1ebfn \u0111\u00e1m m\u00e2y t\u1eadp trung. Ngo\u00e0i ra, do m\u1ea1ng l\u01b0\u1edbi to\u00e0n c\u1ea7u c\u1ee7a Akamai v\u00e0 m\u1ed1i quan h\u1ec7 v\u1edbi c\u00e1c si\u00eau quy m\u00f4 kh\u00e1c, chi ph\u00ed tho\u00e1t khi truy\u1ec1n d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef t\u1eadp trung tr\u00ean m\u1ed9t si\u00eau quy m\u00f4 kh\u00e1c c\u0169ng b\u1ecb lo\u1ea1i b\u1ecf ho\u1eb7c gi\u1ea3m.<\/p>\n
N\u1ed7 l\u1ef1c h\u1ed9i nh\u1eadp v\u00e0 di c\u01b0<\/a><\/h3>\nH\u00e3y c\u00e2n nh\u1eafc l\u01b0\u1ee3ng c\u00f4ng s\u1ee9c c\u1ea7n b\u1ecf ra khi thay \u0111\u1ed5i c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u00e0 thi\u1ebft k\u1ebf m\u1ed9t ki\u1ebfn \u200b\u200btr\u00fac gi\u00fap gi\u1ea3m thi\u1ec3u c\u00f4ng s\u1ee9c n\u00e0y \u1edf b\u1ea5t c\u1ee9 n\u01a1i n\u00e0o c\u00f3 th\u1ec3.<\/em><\/p>\nKhi thi\u1ebft k\u1ebf l\u1ea1i m\u1ed9t \u1ee9ng d\u1ee5ng, l\u01b0\u1ee3ng c\u00f4ng s\u1ee9c b\u1ecf ra \u0111\u1ec3 thi\u1ebft k\u1ebf v\u00e0 t\u00edch h\u1ee3p c\u00e1c h\u1ec7 th\u1ed1ng m\u1edbi \u2014 c\u0169ng nh\u01b0 di chuy\u1ec3n sang nh\u00e0 cung c\u1ea5p kh\u00e1c \u2014 c\u00f3 th\u1ec3 \u0111\u1eb7t ra nh\u1eefng th\u00e1ch th\u1ee9c \u0111\u00e1ng k\u1ec3. Gi\u1ea3i ph\u00e1p trong h\u01b0\u1edbng d\u1eabn n\u00e0y ch\u1ec9 y\u00eau c\u1ea7u di chuy\u1ec3n m\u1ed9t ph\u1ea7n quy tr\u00ecnh ph\u1ee5c v\u1ee5 qu\u1ea3ng c\u00e1o sang n\u1ec1n t\u1ea3ng Akamai, ngh\u0129a l\u00e0 nhi\u1ec1u th\u00e0nh ph\u1ea7n t\u1eadp trung kh\u00f4ng c\u1ea7n ph\u1ea3i di chuy\u1ec3n. H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef qu\u1ea3ng c\u00e1o v\u1eabn kh\u00f4ng thay \u0111\u1ed5i, c\u0169ng nh\u01b0 c\u00e1c c\u01a1 s\u1edf d\u1eef li\u1ec7u quan tr\u1ecdng kh\u00e1c. L\u01b0\u1ee3ng c\u00f4ng s\u1ee9c b\u1ecf ra \u0111\u01b0\u1ee3c gi\u1ea3m \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p kh\u1ea3 thi kh\u00e1c.<\/p>\n
S\u01a1 \u0111\u1ed3 thi\u1ebft k\u1ebf c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng<\/a><\/h3>\nS\u01a1 \u0111\u1ed3 b\u00ean d\u01b0\u1edbi gi\u1edbi thi\u1ec7u c\u00e1c th\u00e0nh ph\u1ea7n c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng cho ph\u00e9p DSP \u0111a v\u00f9ng tr\u00ean \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y Akamai, trong khi v\u1eabn gi\u1eef nguy\u00ean c\u00e1c h\u1ec7 th\u1ed1ng d\u1eef li\u1ec7u t\u1eadp trung hi\u1ec7n c\u00f3. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn c\u00e1c y\u00eau c\u1ea7u \u0111\u1ebfn v\u00f9ng g\u1ea7n nh\u1ea5t v\u1edbi ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i (c\u00e1c nh\u00e0 qu\u1ea3ng c\u00e1o v\u00e0 c\u00f4ng ty qu\u1ea3ng c\u00e1o), c\u00e2n b\u1eb1ng t\u1ea3i c\u00e1c y\u00eau c\u1ea7u gi\u1eefa nhi\u1ec1u h\u1ec7 th\u1ed1ng ph\u1ee5 tr\u1ee3, l\u01b0u tr\u1eef \u0111\u1ec7m m\u1ed9t b\u1ea3n sao c\u1ee7a b\u1ea5t k\u1ef3 d\u1eef li\u1ec7u t\u1eadp trung n\u00e0o v\u00e0 gi\u00e1m s\u00e1t c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<\/figure>\n\n- Kh\u00e1ch h\u00e0ng (nh\u00e0 qu\u1ea3ng c\u00e1o) t\u01b0\u01a1ng t\u00e1c v\u1edbi DSP \u0111\u1ec3 c\u1ea5u h\u00ecnh chi\u1ebfn d\u1ecbch v\u00e0 \u0111\u1eb7t gi\u00e1 th\u1ea7u cho h\u00e0ng t\u1ed3n kho.<\/li>\n
- Nh\u00e0 qu\u1ea3ng c\u00e1o g\u1eedi gi\u00e1 th\u1ea7u \u0111\u1ec3 qu\u1ea3ng c\u00e1o c\u1ee7a h\u1ecd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb cho ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i. \u0110i\u1ec1u n\u00e0y c\u00f3 d\u1ea1ng y\u00eau c\u1ea7u API HTTPS.<\/li>\n
- Y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c \u0111\u1ecbnh tuy\u1ebfn \u0111\u1ebfn m\u1ed9t trong nhi\u1ec1u v\u00f9ng t\u00ednh to\u00e1n (trung t\u00e2m d\u1eef li\u1ec7u). V\u00ec \u0111\u00e2y l\u00e0 \u1ee9ng d\u1ee5ng ph\u00e2n t\u00e1n, y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c \u0111\u1ecbnh tuy\u1ebfn th\u00f4ng qua gi\u1ea3i ph\u00e1p c\u00e2n b\u1eb1ng t\u1ea3i th\u00f4ng minh d\u1ef1a tr\u00ean DNS, ch\u1eb3ng h\u1ea1n nh\u01b0 Akamai Global Traffic Manager (GTM)<\/a> . B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i to\u00e0n c\u1ea7u x\u00e1c \u0111\u1ecbnh v\u00f9ng n\u00e0o c\u00f3 th\u1ec3 ph\u1ee5c v\u1ee5 t\u1ed1t nh\u1ea5t y\u00eau c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng. \u0110i\u1ec1u n\u00e0y t\u00ednh \u0111\u1ebfn v\u1ecb tr\u00ed, hi\u1ec7u su\u1ea5t v\u00e0 t\u00ednh kh\u1ea3 d\u1ee5ng. Gi\u1ea3i ph\u00e1p c\u00e2n b\u1eb1ng t\u1ea3i nh\u01b0 th\u1ebf n\u00e0y l\u00e0 c\u00e1ch l\u00fd t\u01b0\u1edfng \u0111\u1ec3 gi\u1ea3m \u0111\u1ed9 tr\u1ec5 (c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 hi\u1ec3n th\u1ecb qu\u1ea3ng c\u00e1o) v\u00e0 t\u0103ng kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i (m\u1ed9t l\u1ed7i kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn to\u00e0n b\u1ed9 dung l\u01b0\u1ee3ng).<\/li>\n
- B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i c\u1ee5c b\u1ed9, ch\u1eb3ng h\u1ea1n nh\u01b0 Compute Instance ch\u1ea1y HAProxy, \u0111\u1ecbnh tuy\u1ebfn y\u00eau c\u1ea7u \u0111\u1ebfn m\u1ed9t trong nhi\u1ec1u c\u1ee5m ph\u1ee5 tr\u1ee3. Nhi\u1ec1u c\u1ee5m th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ed9t v\u00f9ng duy nh\u1ea5t \u0111\u1ec3 d\u1ef1 ph\u00f2ng v\u00e0 m\u1edf r\u1ed9ng quy m\u00f4. C\u00e1c n\u1ec1n t\u1ea3ng ph\u1ed1i h\u1ee3p, ch\u1eb3ng h\u1ea1n nh\u01b0 LKE<\/a> , c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 qu\u1ea3n l\u00fd c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1ee5m.<\/li>\n
- C\u1ed5ng API frontend b\u1eaft \u0111\u1ea7u x\u1eed l\u00fd y\u00eau c\u1ea7u. C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y ho\u1ea1t \u0111\u1ed9ng tr\u01b0\u1edbc m\u00e1y ch\u1ee7 \u0111\u1ea5u th\u1ea7u \u0111\u1ec3 gi\u1ea3m chi ph\u00ed x\u1eed l\u00fd \u0111\u1ea5u th\u1ea7u v\u00e0 tho\u00e1t. C\u00e1c m\u00e1y ch\u1ee7 frontend n\u00e0y th\u01b0\u1eddng c\u00f3 kh\u1ea3 n\u0103ng \u00e1p d\u1ee5ng logic kinh doanh \u0111\u1ec3 giao ti\u1ebfp v\u1edbi c\u00e1c s\u00e0n giao d\u1ecbch qu\u1ea3ng c\u00e1o c\u0169ng nh\u01b0 m\u00e1y ch\u1ee7 \u0111\u1ea5u th\u1ea7u v\u00e0 b\u1ea5t k\u1ef3 d\u1ecbch v\u1ee5 si\u00eau nh\u1ecf n\u00e0o kh\u00e1c tr\u00ean c\u1ee5m.<\/li>\n
- C\u1ed5ng giao di\u1ec7n g\u1eedi y\u00eau c\u1ea7u \u0111\u1ea5u gi\u00e1 \u0111\u1ebfn m\u00e1y ch\u1ee7 \u0111\u1ea5u gi\u00e1. Trong qu\u00e1 tr\u00ecnh \u0111\u1ea5u gi\u00e1 n\u00e0y, gi\u00e1 th\u1ea7u \u0111\u01b0\u1ee3c kh\u1edbp v\u1edbi kho qu\u1ea3ng c\u00e1o c\u1ee5c b\u1ed9 v\u00e0 so s\u00e1nh v\u1edbi c\u00e1c nh\u00e0 qu\u1ea3ng c\u00e1o kh\u00e1c s\u1eed d\u1ee5ng n\u1ec1n t\u1ea3ng DSP.<\/li>\n
- Khi x\u1eed l\u00fd gi\u00e1 th\u1ea7u, m\u1ed9t m\u00e1y ch\u1ee7 l\u01b0u tr\u1eef c\u1ee5c b\u1ed9 s\u1ebd \u0111\u01b0\u1ee3c truy v\u1ea5n. B\u1ed9 nh\u1edb \u0111\u1ec7m n\u00e0y bao g\u1ed3m d\u1eef li\u1ec7u t\u1eeb b\u1ea5t k\u1ef3 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng t\u1eadp trung n\u00e0o, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u01a1 s\u1edf d\u1eef li\u1ec7u cho kho qu\u1ea3ng c\u00e1o, h\u1ed3 s\u01a1 ng\u01b0\u1eddi d\u00f9ng, v.v. \u0110i\u1ec1u n\u00e0y lo\u1ea1i b\u1ecf s\u1ef1 ch\u1eadm tr\u1ec5 li\u00ean quan \u0111\u1ebfn vi\u1ec7c truy v\u1ea5n h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef t\u1eadp trung tr\u00ean m\u1ed7i y\u00eau c\u1ea7u.\n
\n- B\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee5c b\u1ed9 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt \u0111\u1ecbnh k\u1ef3. D\u1eef li\u1ec7u trong b\u1ed9 nh\u1edb \u0111\u1ec7m \u0111\u01b0\u1ee3c l\u00e0m m\u1edbi \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o th\u00f4ng tin m\u1edbi nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/li>\n<\/ol>\n<\/li>\n
- Th\u00f4ng tin t\u1eeb b\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee5c b\u1ed9 \u0111\u01b0\u1ee3c g\u1eedi tr\u1edf l\u1ea1i m\u00e1y ch\u1ee7 \u0111\u1ea5u gi\u00e1.<\/li>\n
- Gi\u00e1 th\u1ea7u \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1edfi m\u00e1y ch\u1ee7 \u0111\u1ea5u th\u1ea7u. \u1ede \u0111\u00e2y, gi\u00e1 th\u1ea7u \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn (v\u00e0 s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ebfn c\u00e1c s\u00e0n giao d\u1ecbch qu\u1ea3ng c\u00e1o ho\u1eb7c nh\u00e0 xu\u1ea5t b\u1ea3n) hay b\u1ecb t\u1eeb ch\u1ed1i.<\/li>\n
- DSP th\u00f4ng b\u00e1o cho nh\u00e0 qu\u1ea3ng c\u00e1o v\u1ec1 k\u1ebft qu\u1ea3 \u0111\u1ea5u th\u1ea7u b\u1eb1ng c\u00e1ch c\u1eadp nh\u1eadt giao di\u1ec7n web.<\/li>\n<\/ol>\n
H\u1ec7 th\u1ed1ng v\u00e0 th\u00e0nh ph\u1ea7n<\/a><\/h2>\n\n- B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i to\u00e0n c\u1ea7u.<\/strong> Akamai Global Traffic Manager (GTM)<\/a> c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn c\u00e1c y\u00eau c\u1ea7u \u0111\u1ebfn khu v\u1ef1c g\u1ea7n nh\u1ea5t v\u1edbi ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i.<\/li>\n
- B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i c\u1ee5c b\u1ed9.<\/strong> Trong m\u1ed7i v\u00f9ng, m\u1ed9t b\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u00e2n b\u1eb1ng l\u01b0u l\u01b0\u1ee3ng gi\u1eefa nhi\u1ec1u c\u1ee5m backend. B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i n\u00e0y ph\u1ea3i d\u1ef1 ph\u00f2ng v\u00e0 ph\u1ea3i chuy\u1ec3n \u0111\u1ed5i d\u1ef1 ph\u00f2ng sang b\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i th\u1ee9 c\u1ea5p m\u1ed9t c\u00e1ch nh\u1eb9 nh\u00e0ng \u0111\u1ec3 tr\u00e1nh th\u1eddi gian ch\u1ebft. C\u00e1c gi\u1ea3i ph\u00e1p c\u00e2n b\u1eb1ng t\u1ea3i kh\u1ea3 thi bao g\u1ed3m NodeBalancers<\/a> , NGINX v\u00e0 HAProxy.<\/li>\n
- C\u1ee5m ph\u1ee5c v\u1ee5 qu\u1ea3ng c\u00e1o DSP.<\/strong> C\u00e1c c\u1ee5m ph\u1ee5c v\u1ee5 qu\u1ea3ng c\u00e1o ch\u1ea1y tr\u00ean n\u1ec1n t\u1ea3ng ph\u1ed1i h\u1ee3p container nh\u01b0 LKE<\/a> v\u00e0 bao g\u1ed3m nhi\u1ec1u Compute Instance<\/a> , m\u1ed7i c\u1ee5m ch\u1ea1y m\u1ed9t ho\u1eb7c nhi\u1ec1u th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea b\u00ean d\u01b0\u1edbi. N\u00ean s\u1eed d\u1ee5ng nhi\u1ec1u c\u1ee5m trong m\u1ed7i v\u00f9ng \u0111\u1ec3 duy tr\u00ec t\u00ednh d\u1ef1 ph\u00f2ng v\u00e0 cho ph\u00e9p t\u00ednh kh\u1ea3 d\u1ee5ng cao.\n
\n- Frontend API Gateway.<\/strong> C\u1ed5ng n\u00e0y proxy t\u1ea5t c\u1ea3 c\u00e1c y\u00eau c\u1ea7u API cho c\u00e1c API li\u00ean quan \u0111\u1ebfn qu\u1ea3ng c\u00e1o kh\u00e1c \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean c\u1ee5m. C\u00e1c c\u1ed5ng API kh\u1ea3 thi bao g\u1ed3m Kong, NGINX, Tyk v\u00e0 Gravitee.<\/li>\n
- M\u00e1y ch\u1ee7 \u0111\u1ea5u gi\u00e1 th\u1eddi gian th\u1ef1c.<\/strong> L\u01b0u tr\u1eef t\u1ea5t c\u1ea3 logic x\u00e1c \u0111\u1ecbnh gi\u00e1 th\u1ea7u n\u00e0o \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn ho\u1eb7c t\u1eeb ch\u1ed1i. C\u00f3 th\u1ec3 truy c\u1eadp b\u1eb1ng API v\u00e0 c\u00e1c y\u00eau c\u1ea7u s\u1ebd ch\u1ec9 \u0111\u1ebfn t\u1eeb c\u1ed5ng API trong c\u1ee5m \u0111\u00f3.<\/li>\n
- H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef \u0111\u1ec7m.<\/strong> M\u1ed7i c\u1ee5m n\u00ean bao g\u1ed3m m\u1ed9t b\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee5c b\u1ed9 c\u1ee7a b\u1ea5t k\u1ef3 c\u01a1 s\u1edf d\u1eef li\u1ec7u li\u00ean quan \u0111\u1ebfn qu\u1ea3ng c\u00e1o t\u1eadp trung quan tr\u1ecdng n\u00e0o, ch\u1eb3ng h\u1ea1n nh\u01b0 kho qu\u1ea3ng c\u00e1o v\u00e0 c\u00f3 th\u1ec3 l\u00e0 h\u1ed3 s\u01a1 ng\u01b0\u1eddi d\u00f9ng. C\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef \u0111\u1ec7m c\u1ee5c b\u1ed9 c\u00f3 th\u1ec3 bao g\u1ed3m Redis, Apache Ignite, Memcached v\u00e0 Couchbase.<\/li>\n<\/ul>\n<\/li>\n
- H\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t.<\/strong> \u0110\u1ec3 gi\u00e1m s\u00e1t tr\u1ea1ng th\u00e1i c\u1ee7a b\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i v\u00e0 c\u1ee5m trong khu v\u1ef1c \u0111\u00f3, c\u1ea7n c\u1ea5u h\u00ecnh h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t v\u00e0\/ho\u1eb7c ghi nh\u1eadt k\u00fd. C\u00e1c gi\u1ea3i ph\u00e1p gi\u00e1m s\u00e1t kh\u1ea3 thi bao g\u1ed3m Prometheus, Grafana v\u00e0 ThousandEyes.<\/li>\n<\/ul>\n
Ngu\u1ed3n : https:\/\/www.linode.com\/docs\/guides\/distributed-demand-side-platform\/<\/p>\n","protected":false},"excerpt":{"rendered":"
C\u00e1c nh\u00e0 qu\u1ea3ng c\u00e1o (v\u00e0 c\u00e1c c\u00f4ng ty qu\u1ea3ng c\u00e1o) s\u1eed d\u1ee5ng c\u00e1c n\u1ec1n t\u1ea3ng ph\u00eda c\u1ea7u (DSP) \u0111\u1ec3 tham gia v\u00e0o vi\u1ec7c mua qu\u1ea3ng c\u00e1o theo ch\u01b0\u01a1ng tr\u00ecnh. DSP cho ph\u00e9p c\u00e1c nh\u00e0 qu\u1ea3ng c\u00e1o \u0111\u1ecbnh c\u1ea5u h\u00ecnh c\u00e1c chi\u1ebfn d\u1ecbch qu\u1ea3ng c\u00e1o c\u1ee7a h\u1ecd v\u00e0 \u0111\u1eb7t gi\u00e1 th\u1ea7u cho kho qu\u1ea3ng c\u00e1o (kh\u00f4ng<\/p>\n","protected":false},"author":1,"featured_media":35389,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[125],"tags":[],"class_list":["post-34849","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-solutions"],"_links":{"self":[{"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/posts\/34849","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/comments?post=34849"}],"version-history":[{"count":0,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/posts\/34849\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/media\/35389"}],"wp:attachment":[{"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/media?parent=34849"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/categories?post=34849"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/tags?post=34849"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Do bi\u00ean l\u1ee3i nhu\u1eadn t\u01b0\u01a1ng \u0111\u1ed1i nh\u1ecf trong kh\u00f4ng gian ph\u1ee5c v\u1ee5 qu\u1ea3ng c\u00e1o, chi ph\u00ed c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00e1m m\u00e2y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn l\u1ee3i nhu\u1eadn. Gi\u1ea3m chi ph\u00ed \u0111\u00e1m m\u00e2y \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c l\u1eadp k\u1ebf ho\u1ea1ch c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng.<\/p>\n
M\u1ed9t ngu\u1ed3n chi ph\u00ed c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng ch\u00ednh l\u00e0 ph\u00ed tho\u00e1t. B\u1eb1ng c\u00e1ch l\u01b0u tr\u1eef h\u1ec7 th\u1ed1ng ph\u1ee5c v\u1ee5 qu\u1ea3ng c\u00e1o ph\u00e2n t\u00e1n tr\u00ean n\u1ec1n t\u1ea3ng \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y c\u1ee7a Akamai, chi ph\u00ed tho\u00e1t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf ho\u1eb7c gi\u1ea3m \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c c\u00f4ng ty si\u00eau quy m\u00f4. Gi\u1ea3i ph\u00e1p trong h\u01b0\u1edbng d\u1eabn n\u00e0y \u0111\u00e3 gi\u00fap gi\u1ea3m 40% chi ph\u00ed cho m\u1ed9t kh\u00e1ch h\u00e0ng \u0111\u01b0\u1ee3c l\u1eadp h\u1ed3 s\u01a1.<\/p>\n
M\u1ed9t nguy\u00ean nh\u00e2n kh\u00e1c d\u1eabn \u0111\u1ebfn chi ph\u00ed \u0111\u00e1m m\u00e2y v\u00e0 ph\u00ed tho\u00e1t t\u0103ng l\u00e0 l\u01b0\u1ee3ng l\u01b0u l\u01b0\u1ee3ng cao. Ph\u00e2n c\u1ea5p m\u1ed9t s\u1ed1 th\u00e0nh ph\u1ea7n nh\u01b0ng kh\u00f4ng ph\u1ea3i nh\u1eefng th\u00e0nh ph\u1ea7n kh\u00e1c c\u00f3 th\u1ec3 l\u00e0m t\u0103ng l\u01b0u l\u01b0\u1ee3ng li\u00ean v\u00f9ng khi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng ph\u00e2n t\u00e1n \u0111ang giao ti\u1ebfp v\u1edbi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng t\u1eadp trung. \u0110\u1ec3 h\u1ea1n ch\u1ebf ph\u00ed tho\u00e1t li\u00ean quan \u0111\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u00e0y, c\u1ea7n tri\u1ec3n khai h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef \u0111\u1ec7m tr\u00ean c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n. S\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, c\u00e1c phi\u00ean b\u1ea3n c\u1ee5c b\u1ed9 \u0111\u1ed3ng b\u1ed9 h\u00f3a d\u1eef li\u1ec7u quan tr\u1ecdng (nh\u01b0 kho qu\u1ea3ng c\u00e1o v\u00e0 gi\u00e1 th\u1ea7u) \u0111\u1ec3 gi\u1ea3m l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng \u0111\u1ebfn \u0111\u00e1m m\u00e2y t\u1eadp trung. Ngo\u00e0i ra, do m\u1ea1ng l\u01b0\u1edbi to\u00e0n c\u1ea7u c\u1ee7a Akamai v\u00e0 m\u1ed1i quan h\u1ec7 v\u1edbi c\u00e1c si\u00eau quy m\u00f4 kh\u00e1c, chi ph\u00ed tho\u00e1t khi truy\u1ec1n d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef t\u1eadp trung tr\u00ean m\u1ed9t si\u00eau quy m\u00f4 kh\u00e1c c\u0169ng b\u1ecb lo\u1ea1i b\u1ecf ho\u1eb7c gi\u1ea3m.<\/p>\n
N\u1ed7 l\u1ef1c h\u1ed9i nh\u1eadp v\u00e0 di c\u01b0<\/a><\/h3>\nH\u00e3y c\u00e2n nh\u1eafc l\u01b0\u1ee3ng c\u00f4ng s\u1ee9c c\u1ea7n b\u1ecf ra khi thay \u0111\u1ed5i c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u00e0 thi\u1ebft k\u1ebf m\u1ed9t ki\u1ebfn \u200b\u200btr\u00fac gi\u00fap gi\u1ea3m thi\u1ec3u c\u00f4ng s\u1ee9c n\u00e0y \u1edf b\u1ea5t c\u1ee9 n\u01a1i n\u00e0o c\u00f3 th\u1ec3.<\/em><\/p>\nKhi thi\u1ebft k\u1ebf l\u1ea1i m\u1ed9t \u1ee9ng d\u1ee5ng, l\u01b0\u1ee3ng c\u00f4ng s\u1ee9c b\u1ecf ra \u0111\u1ec3 thi\u1ebft k\u1ebf v\u00e0 t\u00edch h\u1ee3p c\u00e1c h\u1ec7 th\u1ed1ng m\u1edbi \u2014 c\u0169ng nh\u01b0 di chuy\u1ec3n sang nh\u00e0 cung c\u1ea5p kh\u00e1c \u2014 c\u00f3 th\u1ec3 \u0111\u1eb7t ra nh\u1eefng th\u00e1ch th\u1ee9c \u0111\u00e1ng k\u1ec3. Gi\u1ea3i ph\u00e1p trong h\u01b0\u1edbng d\u1eabn n\u00e0y ch\u1ec9 y\u00eau c\u1ea7u di chuy\u1ec3n m\u1ed9t ph\u1ea7n quy tr\u00ecnh ph\u1ee5c v\u1ee5 qu\u1ea3ng c\u00e1o sang n\u1ec1n t\u1ea3ng Akamai, ngh\u0129a l\u00e0 nhi\u1ec1u th\u00e0nh ph\u1ea7n t\u1eadp trung kh\u00f4ng c\u1ea7n ph\u1ea3i di chuy\u1ec3n. H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef qu\u1ea3ng c\u00e1o v\u1eabn kh\u00f4ng thay \u0111\u1ed5i, c\u0169ng nh\u01b0 c\u00e1c c\u01a1 s\u1edf d\u1eef li\u1ec7u quan tr\u1ecdng kh\u00e1c. L\u01b0\u1ee3ng c\u00f4ng s\u1ee9c b\u1ecf ra \u0111\u01b0\u1ee3c gi\u1ea3m \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p kh\u1ea3 thi kh\u00e1c.<\/p>\n
S\u01a1 \u0111\u1ed3 thi\u1ebft k\u1ebf c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng<\/a><\/h3>\nS\u01a1 \u0111\u1ed3 b\u00ean d\u01b0\u1edbi gi\u1edbi thi\u1ec7u c\u00e1c th\u00e0nh ph\u1ea7n c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng cho ph\u00e9p DSP \u0111a v\u00f9ng tr\u00ean \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y Akamai, trong khi v\u1eabn gi\u1eef nguy\u00ean c\u00e1c h\u1ec7 th\u1ed1ng d\u1eef li\u1ec7u t\u1eadp trung hi\u1ec7n c\u00f3. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn c\u00e1c y\u00eau c\u1ea7u \u0111\u1ebfn v\u00f9ng g\u1ea7n nh\u1ea5t v\u1edbi ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i (c\u00e1c nh\u00e0 qu\u1ea3ng c\u00e1o v\u00e0 c\u00f4ng ty qu\u1ea3ng c\u00e1o), c\u00e2n b\u1eb1ng t\u1ea3i c\u00e1c y\u00eau c\u1ea7u gi\u1eefa nhi\u1ec1u h\u1ec7 th\u1ed1ng ph\u1ee5 tr\u1ee3, l\u01b0u tr\u1eef \u0111\u1ec7m m\u1ed9t b\u1ea3n sao c\u1ee7a b\u1ea5t k\u1ef3 d\u1eef li\u1ec7u t\u1eadp trung n\u00e0o v\u00e0 gi\u00e1m s\u00e1t c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<\/figure>\n\n- Kh\u00e1ch h\u00e0ng (nh\u00e0 qu\u1ea3ng c\u00e1o) t\u01b0\u01a1ng t\u00e1c v\u1edbi DSP \u0111\u1ec3 c\u1ea5u h\u00ecnh chi\u1ebfn d\u1ecbch v\u00e0 \u0111\u1eb7t gi\u00e1 th\u1ea7u cho h\u00e0ng t\u1ed3n kho.<\/li>\n
- Nh\u00e0 qu\u1ea3ng c\u00e1o g\u1eedi gi\u00e1 th\u1ea7u \u0111\u1ec3 qu\u1ea3ng c\u00e1o c\u1ee7a h\u1ecd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb cho ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i. \u0110i\u1ec1u n\u00e0y c\u00f3 d\u1ea1ng y\u00eau c\u1ea7u API HTTPS.<\/li>\n
- Y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c \u0111\u1ecbnh tuy\u1ebfn \u0111\u1ebfn m\u1ed9t trong nhi\u1ec1u v\u00f9ng t\u00ednh to\u00e1n (trung t\u00e2m d\u1eef li\u1ec7u). V\u00ec \u0111\u00e2y l\u00e0 \u1ee9ng d\u1ee5ng ph\u00e2n t\u00e1n, y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c \u0111\u1ecbnh tuy\u1ebfn th\u00f4ng qua gi\u1ea3i ph\u00e1p c\u00e2n b\u1eb1ng t\u1ea3i th\u00f4ng minh d\u1ef1a tr\u00ean DNS, ch\u1eb3ng h\u1ea1n nh\u01b0 Akamai Global Traffic Manager (GTM)<\/a> . B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i to\u00e0n c\u1ea7u x\u00e1c \u0111\u1ecbnh v\u00f9ng n\u00e0o c\u00f3 th\u1ec3 ph\u1ee5c v\u1ee5 t\u1ed1t nh\u1ea5t y\u00eau c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng. \u0110i\u1ec1u n\u00e0y t\u00ednh \u0111\u1ebfn v\u1ecb tr\u00ed, hi\u1ec7u su\u1ea5t v\u00e0 t\u00ednh kh\u1ea3 d\u1ee5ng. Gi\u1ea3i ph\u00e1p c\u00e2n b\u1eb1ng t\u1ea3i nh\u01b0 th\u1ebf n\u00e0y l\u00e0 c\u00e1ch l\u00fd t\u01b0\u1edfng \u0111\u1ec3 gi\u1ea3m \u0111\u1ed9 tr\u1ec5 (c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 hi\u1ec3n th\u1ecb qu\u1ea3ng c\u00e1o) v\u00e0 t\u0103ng kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i (m\u1ed9t l\u1ed7i kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn to\u00e0n b\u1ed9 dung l\u01b0\u1ee3ng).<\/li>\n
- B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i c\u1ee5c b\u1ed9, ch\u1eb3ng h\u1ea1n nh\u01b0 Compute Instance ch\u1ea1y HAProxy, \u0111\u1ecbnh tuy\u1ebfn y\u00eau c\u1ea7u \u0111\u1ebfn m\u1ed9t trong nhi\u1ec1u c\u1ee5m ph\u1ee5 tr\u1ee3. Nhi\u1ec1u c\u1ee5m th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ed9t v\u00f9ng duy nh\u1ea5t \u0111\u1ec3 d\u1ef1 ph\u00f2ng v\u00e0 m\u1edf r\u1ed9ng quy m\u00f4. C\u00e1c n\u1ec1n t\u1ea3ng ph\u1ed1i h\u1ee3p, ch\u1eb3ng h\u1ea1n nh\u01b0 LKE<\/a> , c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 qu\u1ea3n l\u00fd c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1ee5m.<\/li>\n
- C\u1ed5ng API frontend b\u1eaft \u0111\u1ea7u x\u1eed l\u00fd y\u00eau c\u1ea7u. C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y ho\u1ea1t \u0111\u1ed9ng tr\u01b0\u1edbc m\u00e1y ch\u1ee7 \u0111\u1ea5u th\u1ea7u \u0111\u1ec3 gi\u1ea3m chi ph\u00ed x\u1eed l\u00fd \u0111\u1ea5u th\u1ea7u v\u00e0 tho\u00e1t. C\u00e1c m\u00e1y ch\u1ee7 frontend n\u00e0y th\u01b0\u1eddng c\u00f3 kh\u1ea3 n\u0103ng \u00e1p d\u1ee5ng logic kinh doanh \u0111\u1ec3 giao ti\u1ebfp v\u1edbi c\u00e1c s\u00e0n giao d\u1ecbch qu\u1ea3ng c\u00e1o c\u0169ng nh\u01b0 m\u00e1y ch\u1ee7 \u0111\u1ea5u th\u1ea7u v\u00e0 b\u1ea5t k\u1ef3 d\u1ecbch v\u1ee5 si\u00eau nh\u1ecf n\u00e0o kh\u00e1c tr\u00ean c\u1ee5m.<\/li>\n
- C\u1ed5ng giao di\u1ec7n g\u1eedi y\u00eau c\u1ea7u \u0111\u1ea5u gi\u00e1 \u0111\u1ebfn m\u00e1y ch\u1ee7 \u0111\u1ea5u gi\u00e1. Trong qu\u00e1 tr\u00ecnh \u0111\u1ea5u gi\u00e1 n\u00e0y, gi\u00e1 th\u1ea7u \u0111\u01b0\u1ee3c kh\u1edbp v\u1edbi kho qu\u1ea3ng c\u00e1o c\u1ee5c b\u1ed9 v\u00e0 so s\u00e1nh v\u1edbi c\u00e1c nh\u00e0 qu\u1ea3ng c\u00e1o kh\u00e1c s\u1eed d\u1ee5ng n\u1ec1n t\u1ea3ng DSP.<\/li>\n
- Khi x\u1eed l\u00fd gi\u00e1 th\u1ea7u, m\u1ed9t m\u00e1y ch\u1ee7 l\u01b0u tr\u1eef c\u1ee5c b\u1ed9 s\u1ebd \u0111\u01b0\u1ee3c truy v\u1ea5n. B\u1ed9 nh\u1edb \u0111\u1ec7m n\u00e0y bao g\u1ed3m d\u1eef li\u1ec7u t\u1eeb b\u1ea5t k\u1ef3 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng t\u1eadp trung n\u00e0o, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u01a1 s\u1edf d\u1eef li\u1ec7u cho kho qu\u1ea3ng c\u00e1o, h\u1ed3 s\u01a1 ng\u01b0\u1eddi d\u00f9ng, v.v. \u0110i\u1ec1u n\u00e0y lo\u1ea1i b\u1ecf s\u1ef1 ch\u1eadm tr\u1ec5 li\u00ean quan \u0111\u1ebfn vi\u1ec7c truy v\u1ea5n h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef t\u1eadp trung tr\u00ean m\u1ed7i y\u00eau c\u1ea7u.\n
\n- B\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee5c b\u1ed9 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt \u0111\u1ecbnh k\u1ef3. D\u1eef li\u1ec7u trong b\u1ed9 nh\u1edb \u0111\u1ec7m \u0111\u01b0\u1ee3c l\u00e0m m\u1edbi \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o th\u00f4ng tin m\u1edbi nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/li>\n<\/ol>\n<\/li>\n
- Th\u00f4ng tin t\u1eeb b\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee5c b\u1ed9 \u0111\u01b0\u1ee3c g\u1eedi tr\u1edf l\u1ea1i m\u00e1y ch\u1ee7 \u0111\u1ea5u gi\u00e1.<\/li>\n
- Gi\u00e1 th\u1ea7u \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1edfi m\u00e1y ch\u1ee7 \u0111\u1ea5u th\u1ea7u. \u1ede \u0111\u00e2y, gi\u00e1 th\u1ea7u \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn (v\u00e0 s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ebfn c\u00e1c s\u00e0n giao d\u1ecbch qu\u1ea3ng c\u00e1o ho\u1eb7c nh\u00e0 xu\u1ea5t b\u1ea3n) hay b\u1ecb t\u1eeb ch\u1ed1i.<\/li>\n
- DSP th\u00f4ng b\u00e1o cho nh\u00e0 qu\u1ea3ng c\u00e1o v\u1ec1 k\u1ebft qu\u1ea3 \u0111\u1ea5u th\u1ea7u b\u1eb1ng c\u00e1ch c\u1eadp nh\u1eadt giao di\u1ec7n web.<\/li>\n<\/ol>\n
H\u1ec7 th\u1ed1ng v\u00e0 th\u00e0nh ph\u1ea7n<\/a><\/h2>\n\n- B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i to\u00e0n c\u1ea7u.<\/strong> Akamai Global Traffic Manager (GTM)<\/a> c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn c\u00e1c y\u00eau c\u1ea7u \u0111\u1ebfn khu v\u1ef1c g\u1ea7n nh\u1ea5t v\u1edbi ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i.<\/li>\n
- B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i c\u1ee5c b\u1ed9.<\/strong> Trong m\u1ed7i v\u00f9ng, m\u1ed9t b\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u00e2n b\u1eb1ng l\u01b0u l\u01b0\u1ee3ng gi\u1eefa nhi\u1ec1u c\u1ee5m backend. B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i n\u00e0y ph\u1ea3i d\u1ef1 ph\u00f2ng v\u00e0 ph\u1ea3i chuy\u1ec3n \u0111\u1ed5i d\u1ef1 ph\u00f2ng sang b\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i th\u1ee9 c\u1ea5p m\u1ed9t c\u00e1ch nh\u1eb9 nh\u00e0ng \u0111\u1ec3 tr\u00e1nh th\u1eddi gian ch\u1ebft. C\u00e1c gi\u1ea3i ph\u00e1p c\u00e2n b\u1eb1ng t\u1ea3i kh\u1ea3 thi bao g\u1ed3m NodeBalancers<\/a> , NGINX v\u00e0 HAProxy.<\/li>\n
- C\u1ee5m ph\u1ee5c v\u1ee5 qu\u1ea3ng c\u00e1o DSP.<\/strong> C\u00e1c c\u1ee5m ph\u1ee5c v\u1ee5 qu\u1ea3ng c\u00e1o ch\u1ea1y tr\u00ean n\u1ec1n t\u1ea3ng ph\u1ed1i h\u1ee3p container nh\u01b0 LKE<\/a> v\u00e0 bao g\u1ed3m nhi\u1ec1u Compute Instance<\/a> , m\u1ed7i c\u1ee5m ch\u1ea1y m\u1ed9t ho\u1eb7c nhi\u1ec1u th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea b\u00ean d\u01b0\u1edbi. N\u00ean s\u1eed d\u1ee5ng nhi\u1ec1u c\u1ee5m trong m\u1ed7i v\u00f9ng \u0111\u1ec3 duy tr\u00ec t\u00ednh d\u1ef1 ph\u00f2ng v\u00e0 cho ph\u00e9p t\u00ednh kh\u1ea3 d\u1ee5ng cao.\n
\n- Frontend API Gateway.<\/strong> C\u1ed5ng n\u00e0y proxy t\u1ea5t c\u1ea3 c\u00e1c y\u00eau c\u1ea7u API cho c\u00e1c API li\u00ean quan \u0111\u1ebfn qu\u1ea3ng c\u00e1o kh\u00e1c \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean c\u1ee5m. C\u00e1c c\u1ed5ng API kh\u1ea3 thi bao g\u1ed3m Kong, NGINX, Tyk v\u00e0 Gravitee.<\/li>\n
- M\u00e1y ch\u1ee7 \u0111\u1ea5u gi\u00e1 th\u1eddi gian th\u1ef1c.<\/strong> L\u01b0u tr\u1eef t\u1ea5t c\u1ea3 logic x\u00e1c \u0111\u1ecbnh gi\u00e1 th\u1ea7u n\u00e0o \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn ho\u1eb7c t\u1eeb ch\u1ed1i. C\u00f3 th\u1ec3 truy c\u1eadp b\u1eb1ng API v\u00e0 c\u00e1c y\u00eau c\u1ea7u s\u1ebd ch\u1ec9 \u0111\u1ebfn t\u1eeb c\u1ed5ng API trong c\u1ee5m \u0111\u00f3.<\/li>\n
- H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef \u0111\u1ec7m.<\/strong> M\u1ed7i c\u1ee5m n\u00ean bao g\u1ed3m m\u1ed9t b\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee5c b\u1ed9 c\u1ee7a b\u1ea5t k\u1ef3 c\u01a1 s\u1edf d\u1eef li\u1ec7u li\u00ean quan \u0111\u1ebfn qu\u1ea3ng c\u00e1o t\u1eadp trung quan tr\u1ecdng n\u00e0o, ch\u1eb3ng h\u1ea1n nh\u01b0 kho qu\u1ea3ng c\u00e1o v\u00e0 c\u00f3 th\u1ec3 l\u00e0 h\u1ed3 s\u01a1 ng\u01b0\u1eddi d\u00f9ng. C\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef \u0111\u1ec7m c\u1ee5c b\u1ed9 c\u00f3 th\u1ec3 bao g\u1ed3m Redis, Apache Ignite, Memcached v\u00e0 Couchbase.<\/li>\n<\/ul>\n<\/li>\n
- H\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t.<\/strong> \u0110\u1ec3 gi\u00e1m s\u00e1t tr\u1ea1ng th\u00e1i c\u1ee7a b\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i v\u00e0 c\u1ee5m trong khu v\u1ef1c \u0111\u00f3, c\u1ea7n c\u1ea5u h\u00ecnh h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t v\u00e0\/ho\u1eb7c ghi nh\u1eadt k\u00fd. C\u00e1c gi\u1ea3i ph\u00e1p gi\u00e1m s\u00e1t kh\u1ea3 thi bao g\u1ed3m Prometheus, Grafana v\u00e0 ThousandEyes.<\/li>\n<\/ul>\n
Ngu\u1ed3n : https:\/\/www.linode.com\/docs\/guides\/distributed-demand-side-platform\/<\/p>\n","protected":false},"excerpt":{"rendered":"
C\u00e1c nh\u00e0 qu\u1ea3ng c\u00e1o (v\u00e0 c\u00e1c c\u00f4ng ty qu\u1ea3ng c\u00e1o) s\u1eed d\u1ee5ng c\u00e1c n\u1ec1n t\u1ea3ng ph\u00eda c\u1ea7u (DSP) \u0111\u1ec3 tham gia v\u00e0o vi\u1ec7c mua qu\u1ea3ng c\u00e1o theo ch\u01b0\u01a1ng tr\u00ecnh. DSP cho ph\u00e9p c\u00e1c nh\u00e0 qu\u1ea3ng c\u00e1o \u0111\u1ecbnh c\u1ea5u h\u00ecnh c\u00e1c chi\u1ebfn d\u1ecbch qu\u1ea3ng c\u00e1o c\u1ee7a h\u1ecd v\u00e0 \u0111\u1eb7t gi\u00e1 th\u1ea7u cho kho qu\u1ea3ng c\u00e1o (kh\u00f4ng<\/p>\n","protected":false},"author":1,"featured_media":35389,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[125],"tags":[],"class_list":["post-34849","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-solutions"],"_links":{"self":[{"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/posts\/34849","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/comments?post=34849"}],"version-history":[{"count":0,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/posts\/34849\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/media\/35389"}],"wp:attachment":[{"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/media?parent=34849"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/categories?post=34849"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/tags?post=34849"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Khi thi\u1ebft k\u1ebf l\u1ea1i m\u1ed9t \u1ee9ng d\u1ee5ng, l\u01b0\u1ee3ng c\u00f4ng s\u1ee9c b\u1ecf ra \u0111\u1ec3 thi\u1ebft k\u1ebf v\u00e0 t\u00edch h\u1ee3p c\u00e1c h\u1ec7 th\u1ed1ng m\u1edbi \u2014 c\u0169ng nh\u01b0 di chuy\u1ec3n sang nh\u00e0 cung c\u1ea5p kh\u00e1c \u2014 c\u00f3 th\u1ec3 \u0111\u1eb7t ra nh\u1eefng th\u00e1ch th\u1ee9c \u0111\u00e1ng k\u1ec3. Gi\u1ea3i ph\u00e1p trong h\u01b0\u1edbng d\u1eabn n\u00e0y ch\u1ec9 y\u00eau c\u1ea7u di chuy\u1ec3n m\u1ed9t ph\u1ea7n quy tr\u00ecnh ph\u1ee5c v\u1ee5 qu\u1ea3ng c\u00e1o sang n\u1ec1n t\u1ea3ng Akamai, ngh\u0129a l\u00e0 nhi\u1ec1u th\u00e0nh ph\u1ea7n t\u1eadp trung kh\u00f4ng c\u1ea7n ph\u1ea3i di chuy\u1ec3n. H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef qu\u1ea3ng c\u00e1o v\u1eabn kh\u00f4ng thay \u0111\u1ed5i, c\u0169ng nh\u01b0 c\u00e1c c\u01a1 s\u1edf d\u1eef li\u1ec7u quan tr\u1ecdng kh\u00e1c. L\u01b0\u1ee3ng c\u00f4ng s\u1ee9c b\u1ecf ra \u0111\u01b0\u1ee3c gi\u1ea3m \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p kh\u1ea3 thi kh\u00e1c.<\/p>\n
S\u01a1 \u0111\u1ed3 thi\u1ebft k\u1ebf c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng<\/a><\/h3>\nS\u01a1 \u0111\u1ed3 b\u00ean d\u01b0\u1edbi gi\u1edbi thi\u1ec7u c\u00e1c th\u00e0nh ph\u1ea7n c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng cho ph\u00e9p DSP \u0111a v\u00f9ng tr\u00ean \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y Akamai, trong khi v\u1eabn gi\u1eef nguy\u00ean c\u00e1c h\u1ec7 th\u1ed1ng d\u1eef li\u1ec7u t\u1eadp trung hi\u1ec7n c\u00f3. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn c\u00e1c y\u00eau c\u1ea7u \u0111\u1ebfn v\u00f9ng g\u1ea7n nh\u1ea5t v\u1edbi ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i (c\u00e1c nh\u00e0 qu\u1ea3ng c\u00e1o v\u00e0 c\u00f4ng ty qu\u1ea3ng c\u00e1o), c\u00e2n b\u1eb1ng t\u1ea3i c\u00e1c y\u00eau c\u1ea7u gi\u1eefa nhi\u1ec1u h\u1ec7 th\u1ed1ng ph\u1ee5 tr\u1ee3, l\u01b0u tr\u1eef \u0111\u1ec7m m\u1ed9t b\u1ea3n sao c\u1ee7a b\u1ea5t k\u1ef3 d\u1eef li\u1ec7u t\u1eadp trung n\u00e0o v\u00e0 gi\u00e1m s\u00e1t c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<\/figure>\n\n- Kh\u00e1ch h\u00e0ng (nh\u00e0 qu\u1ea3ng c\u00e1o) t\u01b0\u01a1ng t\u00e1c v\u1edbi DSP \u0111\u1ec3 c\u1ea5u h\u00ecnh chi\u1ebfn d\u1ecbch v\u00e0 \u0111\u1eb7t gi\u00e1 th\u1ea7u cho h\u00e0ng t\u1ed3n kho.<\/li>\n
- Nh\u00e0 qu\u1ea3ng c\u00e1o g\u1eedi gi\u00e1 th\u1ea7u \u0111\u1ec3 qu\u1ea3ng c\u00e1o c\u1ee7a h\u1ecd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb cho ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i. \u0110i\u1ec1u n\u00e0y c\u00f3 d\u1ea1ng y\u00eau c\u1ea7u API HTTPS.<\/li>\n
- Y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c \u0111\u1ecbnh tuy\u1ebfn \u0111\u1ebfn m\u1ed9t trong nhi\u1ec1u v\u00f9ng t\u00ednh to\u00e1n (trung t\u00e2m d\u1eef li\u1ec7u). V\u00ec \u0111\u00e2y l\u00e0 \u1ee9ng d\u1ee5ng ph\u00e2n t\u00e1n, y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c \u0111\u1ecbnh tuy\u1ebfn th\u00f4ng qua gi\u1ea3i ph\u00e1p c\u00e2n b\u1eb1ng t\u1ea3i th\u00f4ng minh d\u1ef1a tr\u00ean DNS, ch\u1eb3ng h\u1ea1n nh\u01b0 Akamai Global Traffic Manager (GTM)<\/a> . B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i to\u00e0n c\u1ea7u x\u00e1c \u0111\u1ecbnh v\u00f9ng n\u00e0o c\u00f3 th\u1ec3 ph\u1ee5c v\u1ee5 t\u1ed1t nh\u1ea5t y\u00eau c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng. \u0110i\u1ec1u n\u00e0y t\u00ednh \u0111\u1ebfn v\u1ecb tr\u00ed, hi\u1ec7u su\u1ea5t v\u00e0 t\u00ednh kh\u1ea3 d\u1ee5ng. Gi\u1ea3i ph\u00e1p c\u00e2n b\u1eb1ng t\u1ea3i nh\u01b0 th\u1ebf n\u00e0y l\u00e0 c\u00e1ch l\u00fd t\u01b0\u1edfng \u0111\u1ec3 gi\u1ea3m \u0111\u1ed9 tr\u1ec5 (c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 hi\u1ec3n th\u1ecb qu\u1ea3ng c\u00e1o) v\u00e0 t\u0103ng kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i (m\u1ed9t l\u1ed7i kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn to\u00e0n b\u1ed9 dung l\u01b0\u1ee3ng).<\/li>\n
- B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i c\u1ee5c b\u1ed9, ch\u1eb3ng h\u1ea1n nh\u01b0 Compute Instance ch\u1ea1y HAProxy, \u0111\u1ecbnh tuy\u1ebfn y\u00eau c\u1ea7u \u0111\u1ebfn m\u1ed9t trong nhi\u1ec1u c\u1ee5m ph\u1ee5 tr\u1ee3. Nhi\u1ec1u c\u1ee5m th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ed9t v\u00f9ng duy nh\u1ea5t \u0111\u1ec3 d\u1ef1 ph\u00f2ng v\u00e0 m\u1edf r\u1ed9ng quy m\u00f4. C\u00e1c n\u1ec1n t\u1ea3ng ph\u1ed1i h\u1ee3p, ch\u1eb3ng h\u1ea1n nh\u01b0 LKE<\/a> , c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 qu\u1ea3n l\u00fd c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1ee5m.<\/li>\n
- C\u1ed5ng API frontend b\u1eaft \u0111\u1ea7u x\u1eed l\u00fd y\u00eau c\u1ea7u. C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y ho\u1ea1t \u0111\u1ed9ng tr\u01b0\u1edbc m\u00e1y ch\u1ee7 \u0111\u1ea5u th\u1ea7u \u0111\u1ec3 gi\u1ea3m chi ph\u00ed x\u1eed l\u00fd \u0111\u1ea5u th\u1ea7u v\u00e0 tho\u00e1t. C\u00e1c m\u00e1y ch\u1ee7 frontend n\u00e0y th\u01b0\u1eddng c\u00f3 kh\u1ea3 n\u0103ng \u00e1p d\u1ee5ng logic kinh doanh \u0111\u1ec3 giao ti\u1ebfp v\u1edbi c\u00e1c s\u00e0n giao d\u1ecbch qu\u1ea3ng c\u00e1o c\u0169ng nh\u01b0 m\u00e1y ch\u1ee7 \u0111\u1ea5u th\u1ea7u v\u00e0 b\u1ea5t k\u1ef3 d\u1ecbch v\u1ee5 si\u00eau nh\u1ecf n\u00e0o kh\u00e1c tr\u00ean c\u1ee5m.<\/li>\n
- C\u1ed5ng giao di\u1ec7n g\u1eedi y\u00eau c\u1ea7u \u0111\u1ea5u gi\u00e1 \u0111\u1ebfn m\u00e1y ch\u1ee7 \u0111\u1ea5u gi\u00e1. Trong qu\u00e1 tr\u00ecnh \u0111\u1ea5u gi\u00e1 n\u00e0y, gi\u00e1 th\u1ea7u \u0111\u01b0\u1ee3c kh\u1edbp v\u1edbi kho qu\u1ea3ng c\u00e1o c\u1ee5c b\u1ed9 v\u00e0 so s\u00e1nh v\u1edbi c\u00e1c nh\u00e0 qu\u1ea3ng c\u00e1o kh\u00e1c s\u1eed d\u1ee5ng n\u1ec1n t\u1ea3ng DSP.<\/li>\n
- Khi x\u1eed l\u00fd gi\u00e1 th\u1ea7u, m\u1ed9t m\u00e1y ch\u1ee7 l\u01b0u tr\u1eef c\u1ee5c b\u1ed9 s\u1ebd \u0111\u01b0\u1ee3c truy v\u1ea5n. B\u1ed9 nh\u1edb \u0111\u1ec7m n\u00e0y bao g\u1ed3m d\u1eef li\u1ec7u t\u1eeb b\u1ea5t k\u1ef3 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng t\u1eadp trung n\u00e0o, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u01a1 s\u1edf d\u1eef li\u1ec7u cho kho qu\u1ea3ng c\u00e1o, h\u1ed3 s\u01a1 ng\u01b0\u1eddi d\u00f9ng, v.v. \u0110i\u1ec1u n\u00e0y lo\u1ea1i b\u1ecf s\u1ef1 ch\u1eadm tr\u1ec5 li\u00ean quan \u0111\u1ebfn vi\u1ec7c truy v\u1ea5n h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef t\u1eadp trung tr\u00ean m\u1ed7i y\u00eau c\u1ea7u.\n
\n- B\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee5c b\u1ed9 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt \u0111\u1ecbnh k\u1ef3. D\u1eef li\u1ec7u trong b\u1ed9 nh\u1edb \u0111\u1ec7m \u0111\u01b0\u1ee3c l\u00e0m m\u1edbi \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o th\u00f4ng tin m\u1edbi nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/li>\n<\/ol>\n<\/li>\n
- Th\u00f4ng tin t\u1eeb b\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee5c b\u1ed9 \u0111\u01b0\u1ee3c g\u1eedi tr\u1edf l\u1ea1i m\u00e1y ch\u1ee7 \u0111\u1ea5u gi\u00e1.<\/li>\n
- Gi\u00e1 th\u1ea7u \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1edfi m\u00e1y ch\u1ee7 \u0111\u1ea5u th\u1ea7u. \u1ede \u0111\u00e2y, gi\u00e1 th\u1ea7u \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn (v\u00e0 s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ebfn c\u00e1c s\u00e0n giao d\u1ecbch qu\u1ea3ng c\u00e1o ho\u1eb7c nh\u00e0 xu\u1ea5t b\u1ea3n) hay b\u1ecb t\u1eeb ch\u1ed1i.<\/li>\n
- DSP th\u00f4ng b\u00e1o cho nh\u00e0 qu\u1ea3ng c\u00e1o v\u1ec1 k\u1ebft qu\u1ea3 \u0111\u1ea5u th\u1ea7u b\u1eb1ng c\u00e1ch c\u1eadp nh\u1eadt giao di\u1ec7n web.<\/li>\n<\/ol>\n
H\u1ec7 th\u1ed1ng v\u00e0 th\u00e0nh ph\u1ea7n<\/a><\/h2>\n\n- B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i to\u00e0n c\u1ea7u.<\/strong> Akamai Global Traffic Manager (GTM)<\/a> c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn c\u00e1c y\u00eau c\u1ea7u \u0111\u1ebfn khu v\u1ef1c g\u1ea7n nh\u1ea5t v\u1edbi ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i.<\/li>\n
- B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i c\u1ee5c b\u1ed9.<\/strong> Trong m\u1ed7i v\u00f9ng, m\u1ed9t b\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u00e2n b\u1eb1ng l\u01b0u l\u01b0\u1ee3ng gi\u1eefa nhi\u1ec1u c\u1ee5m backend. B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i n\u00e0y ph\u1ea3i d\u1ef1 ph\u00f2ng v\u00e0 ph\u1ea3i chuy\u1ec3n \u0111\u1ed5i d\u1ef1 ph\u00f2ng sang b\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i th\u1ee9 c\u1ea5p m\u1ed9t c\u00e1ch nh\u1eb9 nh\u00e0ng \u0111\u1ec3 tr\u00e1nh th\u1eddi gian ch\u1ebft. C\u00e1c gi\u1ea3i ph\u00e1p c\u00e2n b\u1eb1ng t\u1ea3i kh\u1ea3 thi bao g\u1ed3m NodeBalancers<\/a> , NGINX v\u00e0 HAProxy.<\/li>\n
- C\u1ee5m ph\u1ee5c v\u1ee5 qu\u1ea3ng c\u00e1o DSP.<\/strong> C\u00e1c c\u1ee5m ph\u1ee5c v\u1ee5 qu\u1ea3ng c\u00e1o ch\u1ea1y tr\u00ean n\u1ec1n t\u1ea3ng ph\u1ed1i h\u1ee3p container nh\u01b0 LKE<\/a> v\u00e0 bao g\u1ed3m nhi\u1ec1u Compute Instance<\/a> , m\u1ed7i c\u1ee5m ch\u1ea1y m\u1ed9t ho\u1eb7c nhi\u1ec1u th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea b\u00ean d\u01b0\u1edbi. N\u00ean s\u1eed d\u1ee5ng nhi\u1ec1u c\u1ee5m trong m\u1ed7i v\u00f9ng \u0111\u1ec3 duy tr\u00ec t\u00ednh d\u1ef1 ph\u00f2ng v\u00e0 cho ph\u00e9p t\u00ednh kh\u1ea3 d\u1ee5ng cao.\n
\n- Frontend API Gateway.<\/strong> C\u1ed5ng n\u00e0y proxy t\u1ea5t c\u1ea3 c\u00e1c y\u00eau c\u1ea7u API cho c\u00e1c API li\u00ean quan \u0111\u1ebfn qu\u1ea3ng c\u00e1o kh\u00e1c \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean c\u1ee5m. C\u00e1c c\u1ed5ng API kh\u1ea3 thi bao g\u1ed3m Kong, NGINX, Tyk v\u00e0 Gravitee.<\/li>\n
- M\u00e1y ch\u1ee7 \u0111\u1ea5u gi\u00e1 th\u1eddi gian th\u1ef1c.<\/strong> L\u01b0u tr\u1eef t\u1ea5t c\u1ea3 logic x\u00e1c \u0111\u1ecbnh gi\u00e1 th\u1ea7u n\u00e0o \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn ho\u1eb7c t\u1eeb ch\u1ed1i. C\u00f3 th\u1ec3 truy c\u1eadp b\u1eb1ng API v\u00e0 c\u00e1c y\u00eau c\u1ea7u s\u1ebd ch\u1ec9 \u0111\u1ebfn t\u1eeb c\u1ed5ng API trong c\u1ee5m \u0111\u00f3.<\/li>\n
- H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef \u0111\u1ec7m.<\/strong> M\u1ed7i c\u1ee5m n\u00ean bao g\u1ed3m m\u1ed9t b\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee5c b\u1ed9 c\u1ee7a b\u1ea5t k\u1ef3 c\u01a1 s\u1edf d\u1eef li\u1ec7u li\u00ean quan \u0111\u1ebfn qu\u1ea3ng c\u00e1o t\u1eadp trung quan tr\u1ecdng n\u00e0o, ch\u1eb3ng h\u1ea1n nh\u01b0 kho qu\u1ea3ng c\u00e1o v\u00e0 c\u00f3 th\u1ec3 l\u00e0 h\u1ed3 s\u01a1 ng\u01b0\u1eddi d\u00f9ng. C\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef \u0111\u1ec7m c\u1ee5c b\u1ed9 c\u00f3 th\u1ec3 bao g\u1ed3m Redis, Apache Ignite, Memcached v\u00e0 Couchbase.<\/li>\n<\/ul>\n<\/li>\n
- H\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t.<\/strong> \u0110\u1ec3 gi\u00e1m s\u00e1t tr\u1ea1ng th\u00e1i c\u1ee7a b\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i v\u00e0 c\u1ee5m trong khu v\u1ef1c \u0111\u00f3, c\u1ea7n c\u1ea5u h\u00ecnh h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t v\u00e0\/ho\u1eb7c ghi nh\u1eadt k\u00fd. C\u00e1c gi\u1ea3i ph\u00e1p gi\u00e1m s\u00e1t kh\u1ea3 thi bao g\u1ed3m Prometheus, Grafana v\u00e0 ThousandEyes.<\/li>\n<\/ul>\n
Ngu\u1ed3n : https:\/\/www.linode.com\/docs\/guides\/distributed-demand-side-platform\/<\/p>\n","protected":false},"excerpt":{"rendered":"
C\u00e1c nh\u00e0 qu\u1ea3ng c\u00e1o (v\u00e0 c\u00e1c c\u00f4ng ty qu\u1ea3ng c\u00e1o) s\u1eed d\u1ee5ng c\u00e1c n\u1ec1n t\u1ea3ng ph\u00eda c\u1ea7u (DSP) \u0111\u1ec3 tham gia v\u00e0o vi\u1ec7c mua qu\u1ea3ng c\u00e1o theo ch\u01b0\u01a1ng tr\u00ecnh. DSP cho ph\u00e9p c\u00e1c nh\u00e0 qu\u1ea3ng c\u00e1o \u0111\u1ecbnh c\u1ea5u h\u00ecnh c\u00e1c chi\u1ebfn d\u1ecbch qu\u1ea3ng c\u00e1o c\u1ee7a h\u1ecd v\u00e0 \u0111\u1eb7t gi\u00e1 th\u1ea7u cho kho qu\u1ea3ng c\u00e1o (kh\u00f4ng<\/p>\n","protected":false},"author":1,"featured_media":35389,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[125],"tags":[],"class_list":["post-34849","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-solutions"],"_links":{"self":[{"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/posts\/34849","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/comments?post=34849"}],"version-history":[{"count":0,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/posts\/34849\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/media\/35389"}],"wp:attachment":[{"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/media?parent=34849"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/categories?post=34849"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/tags?post=34849"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
<\/figure>\n- \n
- Kh\u00e1ch h\u00e0ng (nh\u00e0 qu\u1ea3ng c\u00e1o) t\u01b0\u01a1ng t\u00e1c v\u1edbi DSP \u0111\u1ec3 c\u1ea5u h\u00ecnh chi\u1ebfn d\u1ecbch v\u00e0 \u0111\u1eb7t gi\u00e1 th\u1ea7u cho h\u00e0ng t\u1ed3n kho.<\/li>\n
- Nh\u00e0 qu\u1ea3ng c\u00e1o g\u1eedi gi\u00e1 th\u1ea7u \u0111\u1ec3 qu\u1ea3ng c\u00e1o c\u1ee7a h\u1ecd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb cho ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i. \u0110i\u1ec1u n\u00e0y c\u00f3 d\u1ea1ng y\u00eau c\u1ea7u API HTTPS.<\/li>\n
- Y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c \u0111\u1ecbnh tuy\u1ebfn \u0111\u1ebfn m\u1ed9t trong nhi\u1ec1u v\u00f9ng t\u00ednh to\u00e1n (trung t\u00e2m d\u1eef li\u1ec7u). V\u00ec \u0111\u00e2y l\u00e0 \u1ee9ng d\u1ee5ng ph\u00e2n t\u00e1n, y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c \u0111\u1ecbnh tuy\u1ebfn th\u00f4ng qua gi\u1ea3i ph\u00e1p c\u00e2n b\u1eb1ng t\u1ea3i th\u00f4ng minh d\u1ef1a tr\u00ean DNS, ch\u1eb3ng h\u1ea1n nh\u01b0 Akamai Global Traffic Manager (GTM)<\/a> . B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i to\u00e0n c\u1ea7u x\u00e1c \u0111\u1ecbnh v\u00f9ng n\u00e0o c\u00f3 th\u1ec3 ph\u1ee5c v\u1ee5 t\u1ed1t nh\u1ea5t y\u00eau c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng. \u0110i\u1ec1u n\u00e0y t\u00ednh \u0111\u1ebfn v\u1ecb tr\u00ed, hi\u1ec7u su\u1ea5t v\u00e0 t\u00ednh kh\u1ea3 d\u1ee5ng. Gi\u1ea3i ph\u00e1p c\u00e2n b\u1eb1ng t\u1ea3i nh\u01b0 th\u1ebf n\u00e0y l\u00e0 c\u00e1ch l\u00fd t\u01b0\u1edfng \u0111\u1ec3 gi\u1ea3m \u0111\u1ed9 tr\u1ec5 (c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 hi\u1ec3n th\u1ecb qu\u1ea3ng c\u00e1o) v\u00e0 t\u0103ng kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i (m\u1ed9t l\u1ed7i kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn to\u00e0n b\u1ed9 dung l\u01b0\u1ee3ng).<\/li>\n
- B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i c\u1ee5c b\u1ed9, ch\u1eb3ng h\u1ea1n nh\u01b0 Compute Instance ch\u1ea1y HAProxy, \u0111\u1ecbnh tuy\u1ebfn y\u00eau c\u1ea7u \u0111\u1ebfn m\u1ed9t trong nhi\u1ec1u c\u1ee5m ph\u1ee5 tr\u1ee3. Nhi\u1ec1u c\u1ee5m th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ed9t v\u00f9ng duy nh\u1ea5t \u0111\u1ec3 d\u1ef1 ph\u00f2ng v\u00e0 m\u1edf r\u1ed9ng quy m\u00f4. C\u00e1c n\u1ec1n t\u1ea3ng ph\u1ed1i h\u1ee3p, ch\u1eb3ng h\u1ea1n nh\u01b0 LKE<\/a> , c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 qu\u1ea3n l\u00fd c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1ee5m.<\/li>\n
- C\u1ed5ng API frontend b\u1eaft \u0111\u1ea7u x\u1eed l\u00fd y\u00eau c\u1ea7u. C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y ho\u1ea1t \u0111\u1ed9ng tr\u01b0\u1edbc m\u00e1y ch\u1ee7 \u0111\u1ea5u th\u1ea7u \u0111\u1ec3 gi\u1ea3m chi ph\u00ed x\u1eed l\u00fd \u0111\u1ea5u th\u1ea7u v\u00e0 tho\u00e1t. C\u00e1c m\u00e1y ch\u1ee7 frontend n\u00e0y th\u01b0\u1eddng c\u00f3 kh\u1ea3 n\u0103ng \u00e1p d\u1ee5ng logic kinh doanh \u0111\u1ec3 giao ti\u1ebfp v\u1edbi c\u00e1c s\u00e0n giao d\u1ecbch qu\u1ea3ng c\u00e1o c\u0169ng nh\u01b0 m\u00e1y ch\u1ee7 \u0111\u1ea5u th\u1ea7u v\u00e0 b\u1ea5t k\u1ef3 d\u1ecbch v\u1ee5 si\u00eau nh\u1ecf n\u00e0o kh\u00e1c tr\u00ean c\u1ee5m.<\/li>\n
- C\u1ed5ng giao di\u1ec7n g\u1eedi y\u00eau c\u1ea7u \u0111\u1ea5u gi\u00e1 \u0111\u1ebfn m\u00e1y ch\u1ee7 \u0111\u1ea5u gi\u00e1. Trong qu\u00e1 tr\u00ecnh \u0111\u1ea5u gi\u00e1 n\u00e0y, gi\u00e1 th\u1ea7u \u0111\u01b0\u1ee3c kh\u1edbp v\u1edbi kho qu\u1ea3ng c\u00e1o c\u1ee5c b\u1ed9 v\u00e0 so s\u00e1nh v\u1edbi c\u00e1c nh\u00e0 qu\u1ea3ng c\u00e1o kh\u00e1c s\u1eed d\u1ee5ng n\u1ec1n t\u1ea3ng DSP.<\/li>\n
- Khi x\u1eed l\u00fd gi\u00e1 th\u1ea7u, m\u1ed9t m\u00e1y ch\u1ee7 l\u01b0u tr\u1eef c\u1ee5c b\u1ed9 s\u1ebd \u0111\u01b0\u1ee3c truy v\u1ea5n. B\u1ed9 nh\u1edb \u0111\u1ec7m n\u00e0y bao g\u1ed3m d\u1eef li\u1ec7u t\u1eeb b\u1ea5t k\u1ef3 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng t\u1eadp trung n\u00e0o, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u01a1 s\u1edf d\u1eef li\u1ec7u cho kho qu\u1ea3ng c\u00e1o, h\u1ed3 s\u01a1 ng\u01b0\u1eddi d\u00f9ng, v.v. \u0110i\u1ec1u n\u00e0y lo\u1ea1i b\u1ecf s\u1ef1 ch\u1eadm tr\u1ec5 li\u00ean quan \u0111\u1ebfn vi\u1ec7c truy v\u1ea5n h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef t\u1eadp trung tr\u00ean m\u1ed7i y\u00eau c\u1ea7u.\n
- \n
- B\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee5c b\u1ed9 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt \u0111\u1ecbnh k\u1ef3. D\u1eef li\u1ec7u trong b\u1ed9 nh\u1edb \u0111\u1ec7m \u0111\u01b0\u1ee3c l\u00e0m m\u1edbi \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o th\u00f4ng tin m\u1edbi nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/li>\n<\/ol>\n<\/li>\n
- Th\u00f4ng tin t\u1eeb b\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee5c b\u1ed9 \u0111\u01b0\u1ee3c g\u1eedi tr\u1edf l\u1ea1i m\u00e1y ch\u1ee7 \u0111\u1ea5u gi\u00e1.<\/li>\n
- Gi\u00e1 th\u1ea7u \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1edfi m\u00e1y ch\u1ee7 \u0111\u1ea5u th\u1ea7u. \u1ede \u0111\u00e2y, gi\u00e1 th\u1ea7u \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn (v\u00e0 s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ebfn c\u00e1c s\u00e0n giao d\u1ecbch qu\u1ea3ng c\u00e1o ho\u1eb7c nh\u00e0 xu\u1ea5t b\u1ea3n) hay b\u1ecb t\u1eeb ch\u1ed1i.<\/li>\n
- DSP th\u00f4ng b\u00e1o cho nh\u00e0 qu\u1ea3ng c\u00e1o v\u1ec1 k\u1ebft qu\u1ea3 \u0111\u1ea5u th\u1ea7u b\u1eb1ng c\u00e1ch c\u1eadp nh\u1eadt giao di\u1ec7n web.<\/li>\n<\/ol>\n
H\u1ec7 th\u1ed1ng v\u00e0 th\u00e0nh ph\u1ea7n<\/a><\/h2>\n
- \n
- B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i to\u00e0n c\u1ea7u.<\/strong> Akamai Global Traffic Manager (GTM)<\/a> c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn c\u00e1c y\u00eau c\u1ea7u \u0111\u1ebfn khu v\u1ef1c g\u1ea7n nh\u1ea5t v\u1edbi ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i.<\/li>\n
- B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i c\u1ee5c b\u1ed9.<\/strong> Trong m\u1ed7i v\u00f9ng, m\u1ed9t b\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u00e2n b\u1eb1ng l\u01b0u l\u01b0\u1ee3ng gi\u1eefa nhi\u1ec1u c\u1ee5m backend. B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i n\u00e0y ph\u1ea3i d\u1ef1 ph\u00f2ng v\u00e0 ph\u1ea3i chuy\u1ec3n \u0111\u1ed5i d\u1ef1 ph\u00f2ng sang b\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i th\u1ee9 c\u1ea5p m\u1ed9t c\u00e1ch nh\u1eb9 nh\u00e0ng \u0111\u1ec3 tr\u00e1nh th\u1eddi gian ch\u1ebft. C\u00e1c gi\u1ea3i ph\u00e1p c\u00e2n b\u1eb1ng t\u1ea3i kh\u1ea3 thi bao g\u1ed3m NodeBalancers<\/a> , NGINX v\u00e0 HAProxy.<\/li>\n
- C\u1ee5m ph\u1ee5c v\u1ee5 qu\u1ea3ng c\u00e1o DSP.<\/strong> C\u00e1c c\u1ee5m ph\u1ee5c v\u1ee5 qu\u1ea3ng c\u00e1o ch\u1ea1y tr\u00ean n\u1ec1n t\u1ea3ng ph\u1ed1i h\u1ee3p container nh\u01b0 LKE<\/a> v\u00e0 bao g\u1ed3m nhi\u1ec1u Compute Instance<\/a> , m\u1ed7i c\u1ee5m ch\u1ea1y m\u1ed9t ho\u1eb7c nhi\u1ec1u th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea b\u00ean d\u01b0\u1edbi. N\u00ean s\u1eed d\u1ee5ng nhi\u1ec1u c\u1ee5m trong m\u1ed7i v\u00f9ng \u0111\u1ec3 duy tr\u00ec t\u00ednh d\u1ef1 ph\u00f2ng v\u00e0 cho ph\u00e9p t\u00ednh kh\u1ea3 d\u1ee5ng cao.\n
- \n
- Frontend API Gateway.<\/strong> C\u1ed5ng n\u00e0y proxy t\u1ea5t c\u1ea3 c\u00e1c y\u00eau c\u1ea7u API cho c\u00e1c API li\u00ean quan \u0111\u1ebfn qu\u1ea3ng c\u00e1o kh\u00e1c \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean c\u1ee5m. C\u00e1c c\u1ed5ng API kh\u1ea3 thi bao g\u1ed3m Kong, NGINX, Tyk v\u00e0 Gravitee.<\/li>\n
- M\u00e1y ch\u1ee7 \u0111\u1ea5u gi\u00e1 th\u1eddi gian th\u1ef1c.<\/strong> L\u01b0u tr\u1eef t\u1ea5t c\u1ea3 logic x\u00e1c \u0111\u1ecbnh gi\u00e1 th\u1ea7u n\u00e0o \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn ho\u1eb7c t\u1eeb ch\u1ed1i. C\u00f3 th\u1ec3 truy c\u1eadp b\u1eb1ng API v\u00e0 c\u00e1c y\u00eau c\u1ea7u s\u1ebd ch\u1ec9 \u0111\u1ebfn t\u1eeb c\u1ed5ng API trong c\u1ee5m \u0111\u00f3.<\/li>\n
- H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef \u0111\u1ec7m.<\/strong> M\u1ed7i c\u1ee5m n\u00ean bao g\u1ed3m m\u1ed9t b\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee5c b\u1ed9 c\u1ee7a b\u1ea5t k\u1ef3 c\u01a1 s\u1edf d\u1eef li\u1ec7u li\u00ean quan \u0111\u1ebfn qu\u1ea3ng c\u00e1o t\u1eadp trung quan tr\u1ecdng n\u00e0o, ch\u1eb3ng h\u1ea1n nh\u01b0 kho qu\u1ea3ng c\u00e1o v\u00e0 c\u00f3 th\u1ec3 l\u00e0 h\u1ed3 s\u01a1 ng\u01b0\u1eddi d\u00f9ng. C\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef \u0111\u1ec7m c\u1ee5c b\u1ed9 c\u00f3 th\u1ec3 bao g\u1ed3m Redis, Apache Ignite, Memcached v\u00e0 Couchbase.<\/li>\n<\/ul>\n<\/li>\n
- H\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t.<\/strong> \u0110\u1ec3 gi\u00e1m s\u00e1t tr\u1ea1ng th\u00e1i c\u1ee7a b\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i v\u00e0 c\u1ee5m trong khu v\u1ef1c \u0111\u00f3, c\u1ea7n c\u1ea5u h\u00ecnh h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t v\u00e0\/ho\u1eb7c ghi nh\u1eadt k\u00fd. C\u00e1c gi\u1ea3i ph\u00e1p gi\u00e1m s\u00e1t kh\u1ea3 thi bao g\u1ed3m Prometheus, Grafana v\u00e0 ThousandEyes.<\/li>\n<\/ul>\n
Ngu\u1ed3n : https:\/\/www.linode.com\/docs\/guides\/distributed-demand-side-platform\/<\/p>\n","protected":false},"excerpt":{"rendered":"
C\u00e1c nh\u00e0 qu\u1ea3ng c\u00e1o (v\u00e0 c\u00e1c c\u00f4ng ty qu\u1ea3ng c\u00e1o) s\u1eed d\u1ee5ng c\u00e1c n\u1ec1n t\u1ea3ng ph\u00eda c\u1ea7u (DSP) \u0111\u1ec3 tham gia v\u00e0o vi\u1ec7c mua qu\u1ea3ng c\u00e1o theo ch\u01b0\u01a1ng tr\u00ecnh. DSP cho ph\u00e9p c\u00e1c nh\u00e0 qu\u1ea3ng c\u00e1o \u0111\u1ecbnh c\u1ea5u h\u00ecnh c\u00e1c chi\u1ebfn d\u1ecbch qu\u1ea3ng c\u00e1o c\u1ee7a h\u1ecd v\u00e0 \u0111\u1eb7t gi\u00e1 th\u1ea7u cho kho qu\u1ea3ng c\u00e1o (kh\u00f4ng<\/p>\n","protected":false},"author":1,"featured_media":35389,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[125],"tags":[],"class_list":["post-34849","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-solutions"],"_links":{"self":[{"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/posts\/34849","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/comments?post=34849"}],"version-history":[{"count":0,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/posts\/34849\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/media\/35389"}],"wp:attachment":[{"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/media?parent=34849"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/categories?post=34849"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/tags?post=34849"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
- M\u00e1y ch\u1ee7 \u0111\u1ea5u gi\u00e1 th\u1eddi gian th\u1ef1c.<\/strong> L\u01b0u tr\u1eef t\u1ea5t c\u1ea3 logic x\u00e1c \u0111\u1ecbnh gi\u00e1 th\u1ea7u n\u00e0o \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn ho\u1eb7c t\u1eeb ch\u1ed1i. C\u00f3 th\u1ec3 truy c\u1eadp b\u1eb1ng API v\u00e0 c\u00e1c y\u00eau c\u1ea7u s\u1ebd ch\u1ec9 \u0111\u1ebfn t\u1eeb c\u1ed5ng API trong c\u1ee5m \u0111\u00f3.<\/li>\n
- B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i c\u1ee5c b\u1ed9.<\/strong> Trong m\u1ed7i v\u00f9ng, m\u1ed9t b\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u00e2n b\u1eb1ng l\u01b0u l\u01b0\u1ee3ng gi\u1eefa nhi\u1ec1u c\u1ee5m backend. B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i n\u00e0y ph\u1ea3i d\u1ef1 ph\u00f2ng v\u00e0 ph\u1ea3i chuy\u1ec3n \u0111\u1ed5i d\u1ef1 ph\u00f2ng sang b\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i th\u1ee9 c\u1ea5p m\u1ed9t c\u00e1ch nh\u1eb9 nh\u00e0ng \u0111\u1ec3 tr\u00e1nh th\u1eddi gian ch\u1ebft. C\u00e1c gi\u1ea3i ph\u00e1p c\u00e2n b\u1eb1ng t\u1ea3i kh\u1ea3 thi bao g\u1ed3m NodeBalancers<\/a> , NGINX v\u00e0 HAProxy.<\/li>\n
- B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i to\u00e0n c\u1ea7u.<\/strong> Akamai Global Traffic Manager (GTM)<\/a> c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn c\u00e1c y\u00eau c\u1ea7u \u0111\u1ebfn khu v\u1ef1c g\u1ea7n nh\u1ea5t v\u1edbi ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i.<\/li>\n
- B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i c\u1ee5c b\u1ed9, ch\u1eb3ng h\u1ea1n nh\u01b0 Compute Instance ch\u1ea1y HAProxy, \u0111\u1ecbnh tuy\u1ebfn y\u00eau c\u1ea7u \u0111\u1ebfn m\u1ed9t trong nhi\u1ec1u c\u1ee5m ph\u1ee5 tr\u1ee3. Nhi\u1ec1u c\u1ee5m th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ed9t v\u00f9ng duy nh\u1ea5t \u0111\u1ec3 d\u1ef1 ph\u00f2ng v\u00e0 m\u1edf r\u1ed9ng quy m\u00f4. C\u00e1c n\u1ec1n t\u1ea3ng ph\u1ed1i h\u1ee3p, ch\u1eb3ng h\u1ea1n nh\u01b0 LKE<\/a> , c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 qu\u1ea3n l\u00fd c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1ee5m.<\/li>\n