{"id":34852,"date":"2024-08-02T09:59:16","date_gmt":"2024-08-02T02:59:16","guid":{"rendered":"http:\/\/jupitek.maudemo.vip\/index.php\/2024\/08\/02\/live-transcoding-for-ugc-streaming-on-akamai-cloud-computing\/"},"modified":"2024-08-02T09:59:16","modified_gmt":"2024-08-02T02:59:16","slug":"live-transcoding-for-ugc-streaming-on-akamai-cloud-computing","status":"publish","type":"post","link":"https:\/\/jupitek.maudemo.vip\/index.php\/2024\/08\/02\/live-transcoding-for-ugc-streaming-on-akamai-cloud-computing\/","title":{"rendered":"Chuy\u1ec3n m\u00e3 tr\u1ef1c ti\u1ebfp cho ph\u00e1t tr\u1ef1c tuy\u1ebfn UGC tr\u00ean \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y Akamai"},"content":{"rendered":"<p>Ph\u00e1t tr\u1ef1c ti\u1ebfp l\u00e0 m\u1ed9t t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a nhi\u1ec1u d\u1ecbch v\u1ee5 internet ph\u1ed5 bi\u1ebfn, bao g\u1ed3m m\u1ea1ng x\u00e3 h\u1ed9i, h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh, tr\u00f2 ch\u01a1i v\u00e0 ph\u00e1t s\u00f3ng th\u1ec3 thao. C\u00e1c d\u1ecbch v\u1ee5 n\u00e0y d\u1ef1a v\u00e0o vi\u1ec7c chuy\u1ec3n m\u00e3 tr\u1ef1c ti\u1ebfp c\u00e1c lu\u1ed3ng video \u0111\u1ec3 ph\u00e2n ph\u1ed1i hi\u1ec7u qu\u1ea3 n\u1ed9i dung \u1edf c\u00e1c \u0111\u1ecbnh d\u1ea1ng ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c h\u1ea1n ch\u1ebf v\u1ec1 m\u1ea1ng v\u00e0 thi\u1ebft b\u1ecb n\u01a1i ch\u00fang \u0111\u01b0\u1ee3c xem. Chuy\u1ec3n m\u00e3 video l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh \u0111\u00f2i h\u1ecfi nhi\u1ec1u t\u00ednh to\u00e1n, do \u0111\u00f3, vi\u1ec7c t\u1ed1i \u0111a h\u00f3a s\u1ed1 l\u01b0\u1ee3ng lu\u1ed3ng video c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chuy\u1ec3n m\u00e3 tr\u00ean ph\u1ea7n c\u1ee9ng kh\u1ea3 d\u1ee5ng l\u00e0 m\u1ed9t c\u00e2n nh\u1eafc ch\u00ednh.<\/p>\n<p>Hi\u1ec7u qu\u1ea3 chuy\u1ec3n m\u00e3 n\u00e0y c\u00f3 th\u1ec3 kh\u00e1c nhau gi\u1eefa c\u00e1c d\u1ecbch v\u1ee5 t\u00ednh to\u00e1n c\u1ee7a c\u00e1c nh\u00e0 cung c\u1ea5p c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng kh\u00e1c nhau v\u00e0 c\u1ea7n \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t chuy\u1ec3n m\u00e3 khi l\u1ef1a ch\u1ecdn n\u1ec1n t\u1ea3ng c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00e1m m\u00e2y. Nhi\u1ec1u d\u1ecbch v\u1ee5 ph\u00e1t tr\u1ef1c ti\u1ebfp c\u0169ng nh\u1ea1y c\u1ea3m v\u1edbi \u0111\u1ed9 tr\u1ec5 v\u00e0 v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd c\u1ee7a d\u1ecbch v\u1ee5 chuy\u1ec3n m\u00e3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 tr\u1ec5 c\u1ee7a lu\u1ed3ng. Vi\u1ec7c ch\u1ecdn v\u1ecb tr\u00ed g\u1ea7n ng\u01b0\u1eddi xem lu\u1ed3ng h\u01a1n s\u1ebd gi\u1ea3m \u0111\u1ed9 tr\u1ec5, do \u0111\u00f3, vi\u1ec7c c\u00f3 th\u1ec3 ch\u1ea1y d\u1ecbch v\u1ee5 \u1edf c\u00e1c v\u00f9ng t\u00ednh to\u00e1n g\u1ea7n \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ee7a b\u1ea1n l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n<p>H\u01b0\u1edbng d\u1eabn n\u00e0y bao g\u1ed3m ki\u1ebfn \u200b\u200btr\u00fac chuy\u1ec3n m\u00e3 tr\u1ef1c ti\u1ebfp cho n\u1ec1n t\u1ea3ng ph\u00e1t tr\u1ef1c ti\u1ebfp. Ki\u1ebfn tr\u00fac n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c tri\u1ec3n khai v\u00e0 ch\u1ee9ng minh b\u1edfi m\u1ed9t kh\u00e1ch h\u00e0ng Akamai \u0111\u01b0\u1ee3c l\u1eadp h\u1ed3 s\u01a1, ng\u01b0\u1eddi v\u1eadn h\u00e0nh m\u1ed9t n\u1ec1n t\u1ea3ng ph\u00e1t tr\u1ef1c ti\u1ebfp ph\u1ed5 bi\u1ebfn cho n\u1ed9i dung do ng\u01b0\u1eddi d\u00f9ng t\u1ea1o (UGC) v\u1edbi \u0111\u1ed1i t\u01b0\u1ee3ng to\u00e0n c\u1ea7u. Kh\u00e1ch h\u00e0ng n\u00e0y tr\u01b0\u1edbc \u0111\u00e2y \u0111\u00e3 s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 chuy\u1ec3n m\u00e3 t\u1ea1i ch\u1ed7, nh\u01b0ng h\u1ecd g\u1eb7p ph\u1ea3i nh\u1eefng h\u1ea1n ch\u1ebf khi l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp c\u1ee7a h\u1ecd t\u0103ng l\u00ean \u1edf c\u00e1c khu v\u1ef1c \u0111\u1ecba l\u00fd m\u1edbi. \u0110\u1ec3 h\u1ed7 tr\u1ee3 s\u1ef1 t\u0103ng tr\u01b0\u1edfng, m\u1ed9t d\u1ecbch v\u1ee5 chuy\u1ec3n m\u00e3 tr\u1ef1c ti\u1ebfp d\u1ef1a tr\u00ean \u0111\u00e1m m\u00e2y m\u1edbi \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp c\u00f9ng v\u1edbi gi\u1ea3i ph\u00e1p t\u1ea1i ch\u1ed7 hi\u1ec7n c\u00f3 c\u1ee7a h\u1ecd. D\u1ecbch v\u1ee5 chuy\u1ec3n m\u00e3 tr\u1ef1c ti\u1ebfp tr\u00ean \u0111\u00e1m m\u00e2y cung c\u1ea5p hi\u1ec7u qu\u1ea3 chuy\u1ec3n m\u00e3 c\u1ea1nh tranh, \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t \u1edf c\u00e1c khu v\u1ef1c t\u1ed1i \u01b0u v\u1ec1 m\u1eb7t \u0111\u1ecba l\u00fd v\u00e0 gi\u1ea3m \u0111\u00e1ng k\u1ec3 t\u1ed5ng ph\u00ed tho\u00e1t c\u1ee7a h\u1ecd.<\/p>\n<h2 id=\"live-streaming-transcoding-workflow\">Quy tr\u00ecnh chuy\u1ec3n m\u00e3 ph\u00e1t tr\u1ef1c ti\u1ebfp<a href=\"https:\/\/www.linode.com\/docs\/guides\/live-transcoding-ugc-streaming-akamai-cloud-computing\/#live-streaming-transcoding-workflow\"><\/a><\/h2>\n<ol>\n<li>Ng\u01b0\u1eddi d\u00f9ng n\u1ec1n t\u1ea3ng ph\u00e1t tr\u1ef1c ti\u1ebfp t\u1ea3i lu\u1ed3ng video l\u00ean d\u1ecbch v\u1ee5 g\u1ed1c tr\u1ef1c ti\u1ebfp c\u1ee7a n\u1ec1n t\u1ea3ng.<\/li>\n<li>D\u1ecbch v\u1ee5 g\u1ed1c tr\u1ef1c ti\u1ebfp s\u1ebd chuy\u1ec3n lu\u1ed3ng video \u0111\u1ebfn d\u1ecbch v\u1ee5 chuy\u1ec3n m\u00e3 tr\u1ef1c ti\u1ebfp.<\/li>\n<li>D\u1ecbch v\u1ee5 chuy\u1ec3n m\u00e3 tr\u1ef1c ti\u1ebfp s\u1ebd chuy\u1ec3n m\u00e3 lu\u1ed3ng video th\u00e0nh c\u00e1c \u0111\u1ecbnh d\u1ea1ng video mong mu\u1ed1n.<\/li>\n<li>M\u1ea1ng ph\u00e2n ph\u1ed1i n\u1ed9i dung ch\u1ea5p nh\u1eadn video \u0111\u00e3 chuy\u1ec3n m\u00e3 v\u00e0 ph\u00e2n ph\u1ed1i t\u1edbi \u0111\u1ed1i t\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng n\u1ec1n t\u1ea3ng.<\/li>\n<\/ol>\n<h2 id=\"overcoming-challenges\">V\u01b0\u1ee3t qua th\u1eed th\u00e1ch<a href=\"https:\/\/www.linode.com\/docs\/guides\/live-transcoding-ugc-streaming-akamai-cloud-computing\/#overcoming-challenges\"><\/a><\/h2>\n<h3 id=\"cost-sensitivity\">\u0110\u1ed9 nh\u1ea1y chi ph\u00ed<a href=\"https:\/\/www.linode.com\/docs\/guides\/live-transcoding-ugc-streaming-akamai-cloud-computing\/#cost-sensitivity\"><\/a><\/h3>\n<p><em>Gi\u1ea3m chi ph\u00ed nh\u1edd hi\u1ec7u qu\u1ea3 chuy\u1ec3n m\u00e3, c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 lo\u1ea1i b\u1ecf ph\u00ed tho\u00e1t.<\/em><\/p>\n<p>V\u00ec chuy\u1ec3n m\u00e3 video l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh \u0111\u00f2i h\u1ecfi nhi\u1ec1u t\u00ednh to\u00e1n, n\u00ean t\u00e0i nguy\u00ean t\u00ednh to\u00e1n l\u00e0 ngu\u1ed3n ch\u00ednh t\u1ea1o n\u00ean chi ph\u00ed c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng cho c\u00e1c d\u1ecbch v\u1ee5 ph\u00e1t tr\u1ef1c ti\u1ebfp. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i ch\u1ecdn ph\u1ea7n c\u1ee9ng t\u00ednh to\u00e1n c\u00f3 hi\u1ec7u su\u1ea5t cao cho ph\u1ea7n m\u1ec1m do d\u1ecbch v\u1ee5 chuy\u1ec3n m\u00e3 tr\u1ef1c ti\u1ebfp ch\u1ea1y. \u0110i\u1ec1u quan tr\u1ecdng n\u1eefa l\u00e0 ph\u1ea3i th\u1eed nghi\u1ec7m c\u00e1c quy tr\u00ecnh chuy\u1ec3n m\u00e3 m\u1eabu tr\u00ean c\u00e1c n\u1ec1n t\u1ea3ng c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00e1m m\u00e2y c\u1ea1nh tranh v\u00e0 \u0111o l\u01b0\u1eddng hi\u1ec7u qu\u1ea3 chuy\u1ec3n m\u00e3 c\u1ee7a t\u1eebng quy tr\u00ecnh. V\u00ed d\u1ee5: \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch ch\u1ecdn c\u00e1c phi\u00ean b\u1ea3n t\u00ednh to\u00e1n c\u00f3 th\u1ec3 so s\u00e1nh v\u1ec1 chi ph\u00ed gi\u1eefa c\u00e1c n\u1ec1n t\u1ea3ng v\u00e0 \u0111o l\u01b0\u1eddng s\u1ed1 lu\u1ed3ng song song m\u00e0 m\u1ed7i phi\u00ean b\u1ea3n c\u00f3 th\u1ec3 chuy\u1ec3n m\u00e3 tr\u00ean c\u00e1c phi\u00ean b\u1ea3n t\u01b0\u01a1ng \u1ee9ng c\u1ee7a ch\u00fang. Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 t\u00ednh to\u00e1n c\u1ee7a Akamai, n\u1ec1n t\u1ea3ng ph\u00e1t tr\u1ef1c ti\u1ebfp \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 theo ki\u1ebfn \u200b\u200btr\u00fac tham chi\u1ebfu n\u00e0y \u0111\u00e3 ch\u1ee9ng ki\u1ebfn \u200b\u200bl\u1ee3i th\u1ebf v\u1ec1 hi\u1ec7u qu\u1ea3 chuy\u1ec3n m\u00e3 33% so v\u1edbi m\u1ed9t si\u00eau quy m\u00f4 kh\u00e1c \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m.<\/p>\n<p>L\u01b0u l\u01b0\u1ee3ng ph\u00e1t tr\u1ef1c ti\u1ebfp th\u01b0\u1eddng ch\u1ea3y theo t\u1eebng \u0111\u1ee3t kh\u00f4ng th\u1ec3 \u0111o\u00e1n tr\u01b0\u1edbc v\u00e0 vi\u1ec7c \u0111\u1eb7t tr\u01b0\u1edbc c\u00e1c phi\u00ean b\u1ea3n t\u00ednh to\u00e1n kh\u00f4ng mang l\u1ea1i l\u1ee3i th\u1ebf v\u1ec1 chi ph\u00ed cho c\u00e1c lo\u1ea1i kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c chuy\u1ec3n m\u00e3 n\u00e0y. Thay v\u00e0o \u0111\u00f3, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u01a1 ch\u1ebf m\u1edf r\u1ed9ng cho c\u00e1c phi\u00ean b\u1ea3n t\u00ednh to\u00e1n t\u1ea1o n\u00ean d\u1ecbch v\u1ee5 chuy\u1ec3n m\u00e3 tr\u1ef1c ti\u1ebfp \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c \u0111\u1ee3t l\u01b0u l\u01b0\u1ee3ng.<\/p>\n<p>Sau khi lu\u1ed3ng video \u0111\u01b0\u1ee3c chuy\u1ec3n m\u00e3 b\u1edfi d\u1ecbch v\u1ee5 chuy\u1ec3n m\u00e3 tr\u1ef1c ti\u1ebfp, lu\u1ed3ng video \u0111\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i \u0111\u1ebfn m\u1ea1ng ph\u00e2n ph\u1ed1i n\u1ed9i dung. \u0110\u00e2y c\u0169ng c\u00f3 th\u1ec3 l\u00e0 ngu\u1ed3n chi ph\u00ed \u0111\u00e1ng k\u1ec3 khi c\u00f3 ph\u00ed tho\u00e1t gi\u1eefa n\u1ec1n t\u1ea3ng d\u1ecbch v\u1ee5 chuy\u1ec3n m\u00e3 tr\u1ef1c ti\u1ebfp v\u00e0 m\u1ea1ng ph\u00e2n ph\u1ed1i n\u1ed9i dung. B\u1eb1ng c\u00e1ch ch\u1ecdn d\u1ecbch v\u1ee5 t\u00ednh to\u00e1n c\u1ee7a Akamai cho d\u1ecbch v\u1ee5 chuy\u1ec3n m\u00e3 tr\u1ef1c ti\u1ebfp v\u00e0 s\u1eed d\u1ee5ng CDN c\u1ee7a Akamai, ph\u00ed tho\u00e1t cho l\u01b0u l\u01b0\u1ee3ng \u0111\u00f3 c\u00f3 th\u1ec3 gi\u1ea3m 100%.<\/p>\n<h3 id=\"latency-sensitivity\">\u0110\u1ed9 nh\u1ea1y \u0111\u1ed9 tr\u1ec5<a href=\"https:\/\/www.linode.com\/docs\/guides\/live-transcoding-ugc-streaming-akamai-cloud-computing\/#latency-sensitivity\"><\/a><\/h3>\n<p><em>Gi\u1ea3m thi\u1ec3u \u0111\u1ed9 tr\u1ec5 v\u1edbi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00e1m m\u00e2y g\u1ea7n v\u1edbi kh\u00e1ch h\u00e0ng c\u1ee7a b\u1ea1n.<\/em><\/p>\n<p>\u0110\u1ed9 tr\u1ec5 th\u1ea5p r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 ph\u00e1t tr\u1ef1c ti\u1ebfp. \u0110\u1ed1i v\u1edbi h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh, \u0111\u1ed9 tr\u1ec5 th\u1ea5p gi\u00fap m\u00f4 ph\u1ecfng cu\u1ed9c tr\u00f2 chuy\u1ec7n theo th\u1eddi gian th\u1ef1c. \u0110\u1ed1i v\u1edbi ph\u00e1t s\u00f3ng th\u1ec3 thao, n\u00f3 c\u00f3 th\u1ec3 truy\u1ec1n t\u1ea3i c\u00e1c s\u1ef1 ki\u1ec7n quan tr\u1ecdng khi ch\u00fang di\u1ec5n ra. \u0110\u1ed1i v\u1edbi c\u00e1c n\u1ec1n t\u1ea3ng UGC, \u0111\u1ed9 tr\u1ec5 th\u1ea5p c\u00f3 th\u1ec3 gi\u00fap th\u00fac \u0111\u1ea9y s\u1ef1 tham gia c\u1ee7a ng\u01b0\u1eddi d\u00f9ng khi ng\u01b0\u1eddi d\u00f9ng t\u01b0\u01a1ng t\u00e1c v\u00e0 ph\u1ea3n h\u1ed3i v\u1edbi kh\u00e1n gi\u1ea3 c\u1ee7a h\u1ecd.<\/p>\n<p>\u0110\u1ec3 c\u00f3 \u0111\u1ed9 tr\u1ec5 th\u1ea5p, c\u00e1c d\u1ecbch v\u1ee5 chuy\u1ec3n m\u00e3 tr\u1ef1c ti\u1ebfp n\u00ean \u0111\u01b0\u1ee3c \u0111\u1eb7t g\u1ea7n \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ee7a h\u1ecd. B\u1eb1ng c\u00e1ch l\u00e0m vi\u1ec7c v\u1edbi n\u1ec1n t\u1ea3ng c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00e1m m\u00e2y cung c\u1ea5p nhi\u1ec1u l\u1ef1a ch\u1ecdn khu v\u1ef1c \u1edf c\u00e1c \u0111\u1ecba l\u00fd kh\u00e1c nhau, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o d\u1ecbch v\u1ee5 chuy\u1ec3n m\u00e3 tr\u1ef1c ti\u1ebfp c\u1ee7a m\u00ecnh \u1edf g\u1ea7n khi doanh nghi\u1ec7p c\u1ee7a b\u1ea1n m\u1edf r\u1ed9ng sang c\u00e1c khu v\u1ef1c m\u1edbi. D\u1ea5u ch\u00e2n to\u00e0n c\u1ea7u c\u1ee7a Akamai v\u1ec1 c\u00e1c khu v\u1ef1c t\u00ednh to\u00e1n h\u1ed7 tr\u1ee3 vi\u1ec7c m\u1edf r\u1ed9ng sang c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng m\u1edbi.<\/p>\n<h2 id=\"live-streaming-transcoding-design-diagram\">Bi\u1ec3u \u0111\u1ed3 thi\u1ebft k\u1ebf chuy\u1ec3n m\u00e3 ph\u00e1t tr\u1ef1c ti\u1ebfp<a href=\"https:\/\/www.linode.com\/docs\/guides\/live-transcoding-ugc-streaming-akamai-cloud-computing\/#live-streaming-transcoding-design-diagram\"><\/a><\/h2>\n<p>Gi\u1ea3i ph\u00e1p n\u00e0y t\u1ea1o ra d\u1ecbch v\u1ee5 chuy\u1ec3n m\u00e3 video tr\u1ef1c ti\u1ebfp tr\u00ean n\u1ec1n t\u1ea3ng \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y Akamai, \u0111\u1ed3ng th\u1eddi v\u1eabn gi\u1eef nguy\u00ean d\u1ecbch v\u1ee5 g\u1ed1c tr\u1ef1c ti\u1ebfp t\u1ea1i ch\u1ed7 v\u00e0 d\u1ecbch v\u1ee5 chuy\u1ec3n m\u00e3 tr\u1ef1c ti\u1ebfp t\u1ea1i ch\u1ed7. B\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i t\u1ea1i g\u1ed1c tr\u1ef1c ti\u1ebfp t\u1ea1i ch\u1ed7 s\u1ebd \u0111i\u1ec1u h\u01b0\u1edbng l\u01b0u l\u01b0\u1ee3ng gi\u1eefa d\u1ecbch v\u1ee5 chuy\u1ec3n m\u00e3 t\u1ea1i ch\u1ed7 v\u00e0 d\u1ecbch v\u1ee5 chuy\u1ec3n m\u00e3 \u0111\u00e1m m\u00e2y m\u1edbi theo \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ee7a lu\u1ed3ng video. D\u1ecbch v\u1ee5 chuy\u1ec3n m\u00e3 \u0111\u00e1m m\u00e2y bao g\u1ed3m nhi\u1ec1u phi\u00ean b\u1ea3n t\u00ednh to\u00e1n v\u00e0 kh\u1ed1i l\u01b0u tr\u1eef ho\u1ea1t \u0111\u1ed9ng song song \u0111\u1ec3 x\u1eed l\u00fd t\u1ea3i chuy\u1ec3n m\u00e3. Lu\u1ed3ng video \u0111\u00e3 chuy\u1ec3n m\u00e3 \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i b\u1edfi Akamai CDN cho \u0111\u1ed1i t\u01b0\u1ee3ng.<\/p>\n<ol>\n<li>N\u1ec1n t\u1ea3ng n\u00e0y thu th\u1eadp lu\u1ed3ng video t\u1eeb ng\u01b0\u1eddi d\u00f9ng n\u1ec1n t\u1ea3ng t\u1ea1i Hoa K\u1ef3. C\u00e1c lu\u1ed3ng n\u00e0y \u0111\u01b0\u1ee3c thu th\u1eadp v\u00e0o d\u1ecbch v\u1ee5 g\u1ed1c tr\u1ef1c ti\u1ebfp t\u1ea1i ch\u1ed7.<\/li>\n<li>D\u1ecbch v\u1ee5 g\u1ed1c tr\u1ef1c ti\u1ebfp h\u01b0\u1edbng lu\u1ed3ng \u0111\u1ebfn d\u1ecbch v\u1ee5 chuy\u1ec3n m\u00e3 tr\u1ef1c ti\u1ebfp. C\u00e1c lu\u1ed3ng \u0111\u01b0\u1ee3c h\u01b0\u1edbng theo khu v\u1ef1c c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng cho lu\u1ed3ng. \u0110\u1ed1i v\u1edbi \u0111\u1ed1i t\u01b0\u1ee3ng \u1edf Hoa K\u1ef3, c\u00e1c lu\u1ed3ng \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn d\u1ecbch v\u1ee5 chuy\u1ec3n m\u00e3 tr\u1ef1c ti\u1ebfp t\u1ea1i ch\u1ed7. \u0110\u1ed1i v\u1edbi \u0111\u1ed1i t\u01b0\u1ee3ng \u1edf B\u1eafc M\u1ef9, kh\u00f4ng ph\u1ea3i \u1edf Hoa K\u1ef3, c\u00e1c lu\u1ed3ng \u0111\u01b0\u1ee3c h\u01b0\u1edbng \u0111\u1ebfn d\u1ecbch v\u1ee5 chuy\u1ec3n m\u00e3 tr\u1ef1c ti\u1ebfp tr\u00ean \u0111\u00e1m m\u00e2y.<\/li>\n<li>D\u1ecbch v\u1ee5 chuy\u1ec3n m\u00e3 tr\u1ef1c ti\u1ebfp tr\u00ean n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y s\u1ebd thu th\u1eadp lu\u1ed3ng video t\u1eeb ngu\u1ed3n ph\u00e1t tr\u1ef1c ti\u1ebfp.<\/li>\n<li>C\u00e1c lu\u1ed3ng video g\u1ed1c \u0111\u01b0\u1ee3c chuy\u1ec3n m\u00e3 b\u1edfi c\u00e1c phi\u00ean b\u1ea3n t\u00ednh to\u00e1n trong c\u1ee5m chuy\u1ec3n m\u00e3 th\u00e0nh c\u00e1c \u0111\u1ecbnh d\u1ea1ng \u0111\u1ea7u ra mong mu\u1ed1n. C\u00e1c kh\u1ed1i l\u01b0u tr\u1eef \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o m\u1ed7i phi\u00ean b\u1ea3n t\u00ednh to\u00e1n l\u01b0u tr\u1eef c\u00e1c t\u1ec7p t\u1ea1m th\u1eddi \u0111\u01b0\u1ee3c t\u1ea1o trong qu\u00e1 tr\u00ecnh chuy\u1ec3n m\u00e3. Lu\u1ed3ng l\u01b0u l\u01b0\u1ee3ng ph\u00e1t tr\u1ef1c ti\u1ebfp \u0111\u00f4i khi c\u00f3 th\u1ec3 t\u0103ng \u0111\u1ed9t bi\u1ebfn kh\u00f4ng th\u1ec3 \u0111o\u00e1n tr\u01b0\u1edbc, do \u0111\u00f3 c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp c\u01a1 ch\u1ebf m\u1edf r\u1ed9ng cho s\u1ed1 l\u01b0\u1ee3ng phi\u00ean b\u1ea3n t\u00ednh to\u00e1n kh\u1ea3 d\u1ee5ng.<\/li>\n<li>Lu\u1ed3ng video \u0111\u00e3 chuy\u1ec3n m\u00e3 \u0111\u01b0\u1ee3c t\u1ea3i l\u00ean b\u1ed9 l\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng. B\u1ed9 l\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng n\u00e0y \u0111\u00f3ng vai tr\u00f2 l\u00e0 ngu\u1ed3n g\u1ed1c n\u1ed9i dung cho m\u1ea1ng ph\u00e2n ph\u1ed1i ph\u00e1t tr\u1ef1c ti\u1ebfp.<\/li>\n<li>M\u1ea1ng ph\u00e2n ph\u1ed1i n\u1ed9i dung ph\u00e2n ph\u1ed1i c\u00e1c lu\u1ed3ng video t\u1eeb ngu\u1ed3n n\u1ed9i dung l\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u1ebfn \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1n gi\u1ea3 \u1edf B\u1eafc M\u1ef9, ngo\u00e0i Hoa K\u1ef3.<\/li>\n<\/ol>\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.linode.com\/docs\/guides\/live-transcoding-ugc-streaming-akamai-cloud-computing\/live-streaming-transcoding-design-diagram_hu028332e40727407c11cf6cf428db6e9e_212023_1914x0_resize_q71_bgfafafc_catmullrom.jpg\" alt=\"Live Streaming Transcoding Design Diagram\" title=\"A design diagram for a live streaming transcoding service that ingests streams from publishers and outputs transcoded streams to a CDN\"\/><\/figure>\n<h3 id=\"systems-and-components\">H\u1ec7 th\u1ed1ng v\u00e0 th\u00e0nh ph\u1ea7n<a href=\"https:\/\/www.linode.com\/docs\/guides\/live-transcoding-ugc-streaming-akamai-cloud-computing\/#systems-and-components\"><\/a><\/h3>\n<ul>\n<li><strong>Ngu\u1ed3n g\u1ed1c tr\u1ef1c ti\u1ebfp t\u1ea1i ch\u1ed7<\/strong>\n<ul>\n<li>Ch\u1ea5p nh\u1eadn lu\u1ed3ng video t\u1eeb ng\u01b0\u1eddi d\u00f9ng n\u1ec1n t\u1ea3ng v\u00e0 chuy\u1ec3n h\u01b0\u1edbng ch\u00fang qua b\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i t\u1ea1i ch\u1ed7 \u0111\u1ebfn d\u1ecbch v\u1ee5 chuy\u1ec3n m\u00e3. C\u00e1c lu\u1ed3ng n\u00e0y \u0111\u01b0\u1ee3c chuy\u1ec3n h\u01b0\u1edbng theo v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng:\n<ul>\n<li>V\u1ecb tr\u00ed \u0111\u1ecba l\u00fd 1: D\u1ecbch v\u1ee5 chuy\u1ec3n m\u00e3 t\u1ea1i ch\u1ed7 c\u1ee7a n\u1ec1n t\u1ea3ng.<\/li>\n<li>V\u1ecb tr\u00ed \u0111\u1ecba l\u00fd 2: D\u1ecbch v\u1ee5 chuy\u1ec3n m\u00e3 tr\u1ef1c ti\u1ebfp tr\u00ean n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li><strong>D\u1ecbch v\u1ee5 chuy\u1ec3n m\u00e3 tr\u1ef1c ti\u1ebfp tr\u00ean \u0111\u00e1m m\u00e2y<\/strong>\n<ul>\n<li><strong>C\u1ee5m chuy\u1ec3n m\u00e3 tr\u1ef1c ti\u1ebfp<\/strong>\n<ul>\n<li><strong>Phi\u00ean b\u1ea3n t\u00ednh to\u00e1n chuy\u1ec3n m\u00e3 tr\u1ef1c ti\u1ebfp:<\/strong>&nbsp;Ch\u1ea5p nh\u1eadn lu\u1ed3ng video v\u00e0 chuy\u1ec3n m\u00e3 th\u00e0nh \u0111\u1ecbnh d\u1ea1ng mong mu\u1ed1n \u0111\u1ec3 ph\u00e2n ph\u1ed1i.<\/li>\n<li><strong>L\u01b0u tr\u1eef kh\u1ed1i:<\/strong>&nbsp;M\u1ed9t kh\u1ed1i l\u01b0u tr\u1eef \u0111\u01b0\u1ee3c \u0111\u00ednh k\u00e8m v\u00e0o m\u1ed7i phi\u00ean b\u1ea3n chuy\u1ec3n m\u00e3 \u0111\u1ec3 l\u01b0u tr\u1eef t\u1ea1m th\u1eddi c\u00e1c t\u1ec7p video \u0111ang \u0111\u01b0\u1ee3c x\u1eed l\u00fd.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Ngu\u1ed3n l\u01b0u tr\u1eef\/ph\u00e2n ph\u1ed1i \u0111\u1ea7u ra chuy\u1ec3n m\u00e3:<\/strong>&nbsp;C\u00e1c phi\u00ean b\u1ea3n chuy\u1ec3n m\u00e3 tr\u1ef1c ti\u1ebfp t\u1ea3i video \u0111\u00e3 chuy\u1ec3n m\u00e3 l\u00ean b\u1ed9 l\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng. V\u1ecb tr\u00ed l\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng n\u00e0y \u0111\u00f3ng vai tr\u00f2 l\u00e0 ngu\u1ed3n n\u1ed9i dung cho m\u1ea1ng ph\u00e2n ph\u1ed1i ph\u00e1t tr\u1ef1c ti\u1ebfp.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Ph\u00e2n ph\u1ed1i:<\/strong>&nbsp;M\u1ea1ng ph\u00e2n ph\u1ed1i n\u1ed9i dung s\u1ebd l\u1ea5y video \u0111\u00e3 chuy\u1ec3n m\u00e3 t\u1eeb ngu\u1ed3n ph\u00e2n ph\u1ed1i l\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 ph\u00e2n ph\u1ed1i \u0111\u1ebfn kh\u00e1n gi\u1ea3.<\/li>\n<\/ul>\n<p>Ngu\u1ed3n: https:\/\/www.linode.com\/docs\/guides\/live-transcoding-ugc-streaming-akamai-cloud-computing\/<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ph\u00e1t tr\u1ef1c ti\u1ebfp l\u00e0 m\u1ed9t t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a nhi\u1ec1u d\u1ecbch v\u1ee5 internet ph\u1ed5 bi\u1ebfn, bao g\u1ed3m m\u1ea1ng x\u00e3 h\u1ed9i, h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh, tr\u00f2 ch\u01a1i v\u00e0 ph\u00e1t s\u00f3ng th\u1ec3 thao. C\u00e1c d\u1ecbch v\u1ee5 n\u00e0y d\u1ef1a v\u00e0o vi\u1ec7c chuy\u1ec3n m\u00e3 tr\u1ef1c ti\u1ebfp c\u00e1c lu\u1ed3ng video \u0111\u1ec3 ph\u00e2n ph\u1ed1i hi\u1ec7u qu\u1ea3 n\u1ed9i dung \u1edf c\u00e1c \u0111\u1ecbnh<\/p>\n","protected":false},"author":1,"featured_media":35398,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[125],"tags":[],"class_list":["post-34852","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\/34852","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=34852"}],"version-history":[{"count":0,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/posts\/34852\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/media\/35398"}],"wp:attachment":[{"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/media?parent=34852"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/categories?post=34852"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/tags?post=34852"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}