{"id":12377760,"date":"2026-03-19T11:56:03","date_gmt":"2026-03-19T03:56:03","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/%e8%be%b9%e7%bc%98%e5%8a%a0%e9%80%9f%ef%bc%9a%e5%a6%82%e4%bd%95%e5%80%9f%e5%8a%a9-cdn-%e4%b8%8e%e5%88%86%e5%b8%83%e5%bc%8f%e7%bd%91%e7%bb%9c%e6%8f%90%e5%8d%87%e7%bd%91%e7%ab%99%e6%80%a7%e8%83%bd\/"},"modified":"2026-03-19T12:13:25","modified_gmt":"2026-03-19T04:13:25","slug":"edge-acceleration-how-cdn-and-distributed-networks-boost-website-performance-and-user-experience","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/cdn\/edge-acceleration-how-cdn-and-distributed-networks-boost-website-performance-and-user-experience\/","title":{"rendered":"T\u0103ng t\u1ed1c hi\u1ec7u su\u1ea5t trang web v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 s\u1eed d\u1ee5ng CDN v\u00e0 m\u1ea1ng l\u01b0\u1edbi ph\u00e2n t\u00e1n \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u n\u0103ng?"},"content":{"rendered":"

Trong k\u1ef7 nguy\u00ean k\u1ef9 thu\u1eadt s\u1ed1 ng\u00e0y nay, t\u1ed1c \u0111\u1ed9 t\u1ea3i trang web v\u00e0 \u1ee9ng d\u1ee5ng c\u00f3 m\u1ed1i quan h\u1ec7 tr\u1ef1c ti\u1ebfp \u0111\u1ebfn vi\u1ec7c ng\u01b0\u1eddi d\u00f9ng quy\u1ebft \u0111\u1ecbnh ti\u1ebfp t\u1ee5c s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 \u0111\u00f3 hay kh\u00f4ng, c\u0169ng nh\u01b0 s\u1ef1 th\u00e0nh b\u1ea1i c\u1ee7a doanh nghi\u1ec7p. M\u1ed7i gi\u00e2y tr\u1ec5 tr\u00ean th\u1eddi gian t\u1ea3i c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c ng\u01b0\u1eddi d\u00f9ng r\u1eddi b\u1ecf trang web ho\u1eb7c gi\u1ea3m t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i (t\u1ee9c l\u00e0 s\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng th\u1ef1c hi\u1ec7n h\u00e0nh \u0111\u1ed9ng mong mu\u1ed1n). C\u00e1c ki\u1ebfn tr\u00fac m\u00e1y ch\u1ee7 t\u1eadp trung truy\u1ec1n th\u1ed1ng, d\u00f9 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh m\u1ea1nh m\u1ebd \u0111\u1ebfn \u0111\u00e2u, c\u0169ng g\u1eb7p nhi\u1ec1u h\u1ea1n ch\u1ebf khi ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi kho\u1ea3ng c\u00e1ch v\u1eadt l\u00fd xa v\u00e0 t\u00ecnh tr\u1ea1ng t\u1eafc ngh\u1ebdn m\u1ea1ng. \u0110\u00e2y ch\u00ednh l\u00e0 l\u00fac c\u00f4ng ngh\u1ec7 \u201ct\u0103ng t\u1ed1c \u1edf c\u1ea1nh\u201d (edge acceleration) tr\u1edf n\u00ean c\u1ef1c k\u1ef3 h\u1eefu \u00edch. \u00dd t\u01b0\u1edfng c\u1ed1t l\u00f5i c\u1ee7a c\u00f4ng ngh\u1ec7 n\u00e0y l\u00e0 chuy\u1ec3n n\u1ed9i dung v\u00e0 kh\u1ea3 n\u0103ng x\u1eed l\u00fd d\u1eef li\u1ec7u t\u1eeb c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u (cloud) xa x\u00f4i v\u1ec1 g\u1ea7n h\u01a1n v\u1edbi ng\u01b0\u1eddi d\u00f9ng, th\u00f4ng qua c\u00e1c \u0111i\u1ec3m truy c\u1eadp m\u1ea1ng (network edges), nh\u1eb1m gi\u1ea3m \u0111<\/p>\n\n\n\n

Nguy\u00ean l\u00fd c\u1ed1t l\u00f5i v\u00e0 ki\u1ebfn tr\u00fac c\u1ee7a gia t\u1ed1c bi\u00ean<\/h2>\n\n\n\n

\u201cEdge Acceleration\u201d (T\u0103ng t\u1ed1c \u1edf b\u1edd bi\u00ean) kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 \u0111\u01a1n l\u1ebb, m\u00e0 l\u00e0 m\u1ed9t tri\u1ebft l\u00fd ki\u1ebfn tr\u00fac k\u1ebft h\u1ee3p nhi\u1ec1u c\u00f4ng ngh\u1ec7 nh\u01b0 m\u1ea1ng ph\u00e2n ph\u1ed1i n\u1ed9i dung (Content Delivery Networks \u2013 CDN), t\u00ednh to\u00e1n \u1edf b\u1edd bi\u00ean (Edge Computing), v\u00e0 \u0111\u1ecbnh tuy\u1ebfn th\u00f4ng minh (Intelligent Routing). M\u1ee5c ti\u00eau c\u1ee7a n\u00f3 l\u00e0 x\u00e2y d\u1ef1ng m\u1ed9t l\u1edbp trung gian ph\u00e2n t\u00e1n, c\u00f3 hi\u1ec7u su\u1ea5t cao gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 c\u00e1c m\u00e1y ch\u1ee7 ngu\u1ed3n trung<\/p>\n\n\n\n

S\u1ef1 chuy\u1ec3n d\u1ecbch m\u00f4 h\u00ecnh t\u1eeb trung t\u00e2m \u0111\u1ebfn bi\u00ean<\/h3>\n\n\n\n

M\u00f4 h\u00ecnh m\u1ea1ng truy\u1ec1n th\u1ed1ng ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed9t v\u00e0i trung t\u00e2m d\u1eef li\u1ec7u l\u1edbn. Khi ng\u01b0\u1eddi d\u00f9ng y\u00eau c\u1ea7u d\u1eef li\u1ec7u, y\u00eau c\u1ea7u \u0111\u00f3 ph\u1ea3i \u0111i qua nhi\u1ec1u li\u00ean k\u1ebft m\u1ea1ng \u0111\u1ec3 \u0111\u1ebfn m\u00e1y ch\u1ee7 trung t\u00e2m, sau \u0111\u00f3 m\u1edbi \u0111\u01b0\u1ee3c tr\u1ea3 v\u1ec1 theo \u0111\u01b0\u1eddng \u0111i ng\u01b0\u1ee3c l\u1ea1i. Qu\u00e1 tr\u00ecnh n\u00e0y kh\u00f4ng th\u1ec3 tr\u00e1nh kh\u1ecfi \u1ea3nh h\u01b0\u1edfng c\u1ee7a kho\u1ea3ng c\u00e1ch v\u1eadt l\u00fd, s\u1ed1 l\u01b0\u1ee3ng b\u01b0\u1edbc chuy\u1ec3n m\u1ea1ng v\u00e0 t\u00ecnh tr\u1ea1ng t\u1eafc ngh\u1ebdn trong m\u1ea1ng.<\/p>\n

\u0110\u1ecdc th\u00eam T\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao v\u1ec1 CDN: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 v\u00e0 b\u1ea3o m\u1eadt cho trang web<\/a>\u3002<\/p>\n\n\n\n\n

M\u00f4 h\u00ecnh t\u0103ng t\u1ed1c t\u1ea1i c\u00e1c \u0111i\u1ec3m cu\u1ed1i (edge acceleration) \u0111\u00e3 thay \u0111\u1ed5i ho\u00e0n to\u00e0n c\u00e1ch th\u1ee9c truy\u1ec1n t\u1ea3i n\u1ed9i dung truy\u1ec1n th\u1ed1ng. M\u00f4 h\u00ecnh n\u00e0y sao ch\u00e9p ho\u1eb7c l\u01b0u tr\u1eef n\u1ed9i dung t\u0129nh, n\u1ed9i dung \u0111\u1ed9ng, th\u1eadm ch\u00ed c\u1ea3 logic c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng t\u1ea1i c\u00e1c n\u00fat (nodes) \u0111\u01b0\u1ee3c \u0111\u1eb7t r\u1ea3i r\u00e1c kh\u1eafp n\u01a1i tr\u00ean th\u1ebf gi\u1edbi, g\u1ea7n h\u01a1n v\u1edbi nh\u00f3m ng\u01b0\u1eddi d\u00f9ng. Khi ng\u01b0\u1eddi d\u00f9ng g\u1eedi y\u00eau c\u1ea7u, h\u1ec7 th\u1ed1ng \u0111i\u1ec1u ph\u1ed1i th\u00f4ng minh s\u1ebd \u0111\u1ecbnh tuy\u1ebfn y\u00eau c\u1ea7u \u0111\u00f3 \u0111\u1ebfn n\u00fat g\u1ea7n nh\u1ea5t v\u1ec1 m\u1eb7t \u0111\u1ecba l\u00fd ho\u1eb7c c\u00f3 hi\u1ec7u su\u1ea5t t\u1ed1t nh\u1ea5t. \u0110\u1ed1i v\u1edbi nh\u1eefng n\u1ed9i dung \u0111\u00e3 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong b\u1ed9 \u0111\u1ec7m (cache), n\u00fat t\u1ea1i \u0111i\u1ec3m cu\u1ed1i c\u00f3 th\u1ec3 tr\u1ea3 l\u1eddi ngay l\u1eadp t\u1ee9c; \u0111\u1ed1i v\u1edbi nh\u1eefng y\u00eau c\u1ea7u c\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd, n\u00fat t\u1ea1i \u0111i\u1ec3m cu\u1ed1i c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n ph\u1ea7n t\u00ednh to\u00e1n tr\u01b0\u1edbc, ho\u1eb7c ch\u1ec9 truy xu\u1ea5t d\u1eef li\u1ec7u c\u1ea7n thi\u1ebft t\u1eeb m\u00e1y ch\u1ee7 g\u1ed1c (source server), t\u1eeb \u0111\u00f3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u00e1p l\u1ef1c l\u00ean m\u00e1<\/p>\n\n

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\r\n\t\t\t\t\t\\nbunny.net CDN<\/strong>\r\n\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\tChi ph\u00ed ch\u1ec9 t\u1eeb 1 \u0111\u00f4 la m\u1ed7i th\u00e1ng, v\u1edbi m\u1ee9c ph\u00ed r\u00f5 r\u00e0ng v\u00e0 kh\u00f4ng c\u00f3 chi ph\u00ed \u1ea9n. C\u00e1c t\u00ednh n\u0103ng bao g\u1ed3m l\u01b0u tr\u1eef v\u0129nh vi\u1ec5n, gi\u00e1m s\u00e1t theo th\u1eddi gian th\u1ef1c, b\u1ea3o v\u1ec7 DDoS v\u00e0 ch\u1ee9ng ch\u1ec9 SSL mi\u1ec5n ph\u00ed. \u0110\u1eb7c bi\u1ec7t, n\u00f3 c\u00f2n \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho ph\u00e1t tr\u1ef1c tuy\u1ebfn video v\u00e0 cung c\u1ea5p m\u1ed9t m\u00f4 h\u00ecnh thanh to\u00e1n linh ho\u1ea1t theo m\u1ee9c s\u1eed d\u1ee5ng.<\/span>\r\n\t\t\t\t
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Kh\u00f4ng c\u1ea7n th\u1ebb t\u00edn d\u1ee5ng, d\u00f9ng th\u1eed mi\u1ec5n ph\u00ed trong 14 ng\u00e0y<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\tTruy c\u1eadp m\u1ea1ng l\u01b0\u1edbi ph\u00e2n ph\u1ed1i n\u1ed9i dung (CDN) c\u1ee7a bunny.net \u2192<\/a>\r\n\t\t\t\t\t\t\t<\/div> \r\n\t\t<\/div>\r\n\t<\/div>\r\n\t\t\r\n\t\r\n\t
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\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"\u0110\u00e1m\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t<\/div>\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t
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\r\n\t\t\t\t\t\u0110\u00e1m m\u00e2y Cloudways Cloudflare Enterprise<\/strong>\r\n\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\tG\u00f3i gi\u00e1 d\u1ecbch v\u1ee5 CDN\/WAF c\u1ea5p doanh nghi\u1ec7p c\u1ee7a Cloudflare c\u00f3 c\u00e1c m\u1ee9c ph\u00ed nh\u01b0 sau: t\u1ed1i \u0111a 5 t\u00ean mi\u1ec1n, m\u1ed7i t\u00ean mi\u1ec1n c\u00f3 gi\u00e1 4,99 USD\/th\u00e1ng, bao g\u1ed3m 100GB b\u0103ng th\u00f4ng, v\u00e0 ph\u1ea7n v\u01b0\u1ee3t qu\u00e1 s\u1ebd \u0111\u01b0\u1ee3c t\u00ednh ph\u00ed theo m\u1ee9c ph\u00ed 0,02 USD\/GB.<\/span>\r\n\t\t\t\t
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M\u1ed7i t\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c t\u1eb7ng 100GB l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\tTruy c\u1eadp Cloudways Cloudflare Enterprise \u2192<\/a>\r\n\t\t\t\t\t\t\t<\/div> \r\n\t\t<\/div>\r\n\t<\/div>\r\n\t\t\r\n<\/div>\r\n\r\n\r\n\n\n\n\n\n\n\n

Th\u00e0nh ph\u1ea7n ch\u1ee7 ch\u1ed1t: S\u1ef1 ph\u1ed1i h\u1ee3p gi\u1eefa CDN v\u00e0 m\u1ea1ng bi\u00ean<\/h3>\n\n\n\n

M\u1ea1ng l\u01b0\u1edbi ph\u00e2n ph\u1ed1i n\u1ed9i dung (Content Distribution Network \u2013 CDN) l\u00e0 h\u00ecnh th\u1ee9c \u0111\u1ea7u ti\u00ean v\u00e0 c\u0169ng l\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c n\u1ed9i dung t\u1ea1i \u0111i\u1ec3m cu\u1ed1i (edge acceleration), ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e2n ph\u1ed1i c\u00e1c n\u1ed9i dung t\u0129nh (static content) v\u00e0 n\u1ed9i dung truy\u1ec1n ph\u00e1t tr\u1ef1c ti\u1ebfp (streaming media). C\u00e1c m\u1ea1ng l\u01b0\u1edbi edge hi\u1ec7n \u0111\u1ea1i th\u00ec ti\u1ebfn b\u1ed9 h\u01a1n n\u1eefa, b\u1eb1ng c\u00e1ch cung c\u1ea5p m\u1ed9t m\u00f4i tr\u01b0\u1eddng ch\u1ea1y nh\u1eb9 (lightweight runtime environment) cho ph\u00e9p th\u1ef1c thi c\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh nh\u01b0 JavaScript, WebAssembly t\u1ea1i c\u00e1c \u0111i\u1ec3m cu\u1ed1i, x\u1eed l\u00fd c\u00e1c y\u00eau c\u1ea7u API, t\u00f9y ch\u1ec9nh n\u1ed9i dung theo nhu c\u1ea7u ng\u01b0\u1eddi d\u00f9ng, v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 \u0111\u1ed9ng nh\u01b0 ki\u1ec3m th\u1eed A\/B (A\/B testing).<\/p>\n\n\n\n

Hai th\u00e0nh ph\u1ea7n n\u00e0y ho\u1ea1t \u0111\u1ed9ng ph\u1ed1i h\u1ee3p v\u1edbi nhau \u0111\u1ec3 t\u1ea1o n\u00ean m\u1ed9t ki\u1ebfn tr\u00fac t\u0103ng t\u1ed1c n\u1ed9i dung tr\u00ean m\u00e1y ch\u1ee7 edge (m\u00e1y ch\u1ee7 \u1edf g\u1ea7n ng\u01b0\u1eddi d\u00f9ng) ho\u00e0n ch\u1ec9nh: CDN (Content Delivery Network) c\u00f3 nhi\u1ec7m v\u1ee5 ph\u00e2n ph\u1ed1i nhanh c\u00e1c t\u00e0i nguy\u00ean \u201ct\u0129nh\u201d nh\u01b0 h\u00ecnh \u1ea3nh, CSS, v\u00e0 t\u1ec7p JavaScript; trong khi c\u00e1c n\u00fat t\u00ednh to\u00e1n edge x\u1eed l\u00fd c\u00e1c t\u01b0\u01a1ng t\u00e1c \u201c\u0111\u1ed9ng\u201d nh\u01b0 x\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng, g\u1eedi bi\u1ec3u m\u1eabu, v\u00e0 t\u1ed5ng h\u1ee3p d\u1eef li\u1ec7u theo th\u1eddi gian th\u1ef1c. S\u1ef1 k\u1ebft h\u1ee3p n\u00e0y \u0111\u1ea3m b\u1ea3o vi\u1ec7c t\u0103ng t\u1ed1c to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh t\u1eeb khi trang web \u0111\u01b0\u1ee3c t\u1ea3i xu\u1ed1ng cho \u0111\u1ebfn khi ng\u01b0\u1eddi d\u00f9ng nh\u1eadn \u0111\u01b0\u1ee3c ph\u1ea3n h\u1ed3i t\u1eeb h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n

CDN (Content Delivery Network): N\u1ec1n t\u1ea3ng c\u01a1 b\u1ea3n cho vi\u1ec7c t\u0103ng t\u1ed1c truy c\u1eadp n\u1ed9i dung t\u0129nh.<\/h2>\n\n\n\n

CDN (Content Delivery Network) l\u00e0 n\u1ec1n t\u1ea3ng c\u1ed1t l\u00f5i c\u1ee7a h\u1ec7 th\u1ed1ng t\u0103ng t\u1ed1c truy c\u1eadp n\u1ed9i dung tr\u00ean m\u1ea1ng. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u01a1 ch\u1ebf l\u01b0u tr\u1eef \u0111\u1ec7m (cache), CDN ph\u00e2n ph\u1ed1i c\u00e1c t\u00e0i nguy\u00ean t\u0129nh c\u1ee7a trang web \u0111\u1ebfn c\u00e1c \u0111i\u1ec3m truy c\u1eadp (node) tr\u00ean to\u00e0n th\u1ebf gi\u1edbi, t\u1eeb \u0111\u00f3 gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 t\u1ed1c \u0111<\/p>\n\n\n\n

C\u01a1 ch\u1ebf b\u1ed9 nh\u1edb \u0111\u1ec7m v\u00e0 ph\u00e2n ph\u1ed1i n\u1ed9i dung<\/h3>\n\n\n\n

Tr\u1ecdng t\u00e2m c\u1ee7a CDN (Content Delivery Network) l\u00e0 vi\u1ec7c l\u01b0u tr\u1eef d\u1eef li\u1ec7u (\u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201c\u0111\u1ec7m\u201d) trong b\u1ed9 nh\u1edb. Khi ng\u01b0\u1eddi d\u00f9ng \u0111\u1ea7u ti\u00ean \u1edf m\u1ed9t khu v\u1ef1c n\u00e0o \u0111\u00f3 y\u00eau c\u1ea7u t\u1ea3i m\u1ed9t t\u1ec7p h\u00ecnh \u1ea3nh, c\u00e1c n\u00fat \u0111\u1ea7u cu\u1ed1i (edge nodes) c\u1ee7a CDN s\u1ebd l\u1ea5y t\u1ec7p \u0111\u00f3 t\u1eeb m\u00e1y ch\u1ee7 ngu\u1ed3n (source server) v\u00e0 l\u01b0u tr\u1eef n\u00f3 v\u00e0o b\u1ed9 nh\u1edb \u0111\u1ec7m. Khi nh\u1eefng ng\u01b0\u1eddi d\u00f9ng kh\u00e1c trong c\u00f9ng khu v\u1ef1c y\u00eau c\u1ea7u t\u1ea3i l\u1ea1i t\u1ec7p \u0111\u00f3, c\u00e1c n\u00fat \u0111\u1ea7u cu\u1ed1i c\u00f3 th\u1ec3 tr\u1ef1c ti\u1ebfp cung c\u1ea5p t\u1ec7p \u0111\u00e3 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef s\u1eb5n, m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i g\u1eedi y\u00eau c\u1ea7u l\u1ea1i \u0111\u1ebfn m\u00e1y ch\u1ee7 ngu\u1ed3n. C\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 CDN s\u1eed d\u1ee5ng c\u00e1c chi\u1ebfn l\u01b0\u1ee3c l\u01b0u tr\u1eef th\u00f4ng minh \u0111\u1ec3 quy\u1ebft \u0111\u1ecbnh n\u1ed9i dung n\u00e0o c\u1ea7n \u0111\u01b0\u1ee3c \u0111\u1ec7m, th\u1eddi gian l\u01b0u tr\u1eef l\u00e0 bao l\u00e2u, v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng khi n\u1ed9i dung<\/p>\n

\u0110\u1ecdc th\u00eam Chi ti\u1ebft v\u1ec1 c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c tr\u00ean b\u1edd: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 s\u1eed d\u1ee5ng CDN v\u00e0 t\u00ednh to\u00e1n t\u1ea1i b\u1edd \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t trang web<\/a>\u3002<\/p>\n\n\n\n\n

Ngo\u00e0i ra, CDN (Content Delivery Network) c\u00f2n t\u1ed1i \u01b0u h\u00f3a \u0111\u01b0\u1eddng d\u1eabn truy\u1ec1n d\u1eef li\u1ec7u b\u1eb1ng c\u00e1ch l\u1ef1a ch\u1ecdn nh\u1eefng l\u1ed9 tr\u00ecnh ph\u00f9 h\u1ee3p nh\u1ea5t. CDN c\u00f3 m\u1ed1i k\u1ebft n\u1ed1i \u0111\u1ed1i t\u00e1c v\u1edbi nhi\u1ec1u nh\u00e0 cung c\u1ea5p m\u1ea1ng tr\u1ee5c (backbone network providers), gi\u00fap tr\u00e1nh \u0111\u01b0\u1ee3c c\u00e1c \u0111i\u1ec3m t\u1eafc ngh\u1ebdn tr\u00ean m\u1ea1ng Internet c\u00f4ng c\u1ed9ng, t\u1eeb \u0111\u00f3 \u0111\u1ea3m b\u1ea3o vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u di\u1ec5n ra nhanh ch\u00f3ng v\u00e0 \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n

T\u0103ng t\u1ed1c v\u00e0 b\u1ea3o v\u1ec7 an ninh cho giao th\u1ee9c TLS\/SSL<\/h3>\n\n\n\n

C\u00e1c trang web hi\u1ec7n \u0111\u1ea1i th\u01b0\u1eddng s\u1eed d\u1ee5ng giao th\u1ee9c HTTPS. Trong c\u00e1c ki\u1ebfn tr\u00fac truy\u1ec1n th\u1ed1ng, c\u00e1c thao t\u00e1c m\u00e3 h\u00f3a v\u00e0 gi\u1ea3i m\u00e3 d\u1eef li\u1ec7u b\u1eb1ng SSL\/TLS s\u1ebd ti\u00eau t\u1ed1n r\u1ea5t nhi\u1ec1u t\u00e0i nguy\u00ean CPU c\u1ee7a m\u00e1y ch\u1ee7 ngu\u1ed3n. C\u00e1c n\u00fat c\u1ea1nh (edge nodes) c\u1ee7a h\u1ec7 th\u1ed1ng CDN c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m b\u1edbt g\u00e1nh n\u1eb7ng n\u00e0y b\u1eb1ng c\u00e1ch x\u1eed l\u00fd c\u00e1c thao t\u00e1c giao ti\u1ebfp SSL (SSL handshake) c\u0169ng nh\u01b0 qu\u00e1 tr\u00ecnh m\u00e3 h\u00f3a v\u00e0 gi\u1ea3i m\u00e3 d\u1eef li\u1ec7u, nh\u1edd v\u00e0o c\u00e1c m\u00e1y ch\u1ee7 c\u1ea1nh \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap gi\u1ea3m \u00e1p l\u1ef1c l\u00ean m\u00e1y ch\u1ee7 ngu\u1ed3n m\u00e0 c\u00f2n r\u00fat ng\u1eafn th\u1eddi gian th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c SSL handshake, v\u00ec c\u00e1c n\u00fat c\u1ea1nh n\u1eb1m g\u1ea7n ng\u01b0\u1eddi d\u00f9ng h\u01a1n.<\/p>\n\n\n\n

\u0110\u1ed3ng th\u1eddi, CDN (Content Delivery Network) c\u0169ng l\u00e0 tuy\u1ebfn ph\u00f2ng th\u1ee7 \u0111\u1ea7u ti\u00ean trong b\u1ea3o m\u1eadt m\u1ea1ng. N\u00f3 c\u00f3 kh\u1ea3 n\u0103ng gi\u1ea3m b\u1edbt c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng d\u1ea1ng t\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 (DDoS) quy m\u00f4 l\u1edbn, b\u1eb1ng c\u00e1ch h\u1ea5p th\u1ee5 v\u00e0 l\u1ecdc l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ed9c h\u1ea1i th\u00f4ng qua m\u1ea1ng l\u01b0\u1edbi c\u1ee7a m\u00ecnh, gi\u00fap b\u1ea3o v\u1ec7 trang web ngu\u1ed3n kh\u1ecfi b\u1ecb t\u1ea5n c\u00f4ng. C\u00e1c t\u00ednh n\u0103ng t\u01b0\u1eddng l\u1eeda \u1ee9ng d\u1ee5ng web (Web Application Firewalls) c\u0169ng c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 ch\u1eb7n c\u00e1c lo\u1ea1i t\u1ea5n c\u00f4ng ph\u1ed5 bi\u1ebfn \u1edf t\u1ea7ng \u1ee9ng d\u1ee5ng nh\u01b0 SQL injection (x\u00e2m nh\u1eadp qua truy v\u1ea5n SQL) v\u00e0 cross-site scripting (x\u00e2m nh\u1eadp qua m\u00e3 ngu\u1ed3n web).<\/p>\n\n\n\n

\u0110i\u1ec7n to\u00e1n bi\u00ean: T\u0103ng t\u1ed1c n\u1ed9i dung \u0111\u1ed9ng v\u00e0 logic<\/h2>\n\n\n\n

Khi c\u00e1c \u1ee9ng d\u1ee5ng web ng\u00e0y c\u00e0ng tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p v\u00e0 t\u0103ng c\u01b0\u1eddng t\u00ednh t\u01b0\u01a1ng t\u00e1c, vi\u1ec7c ch\u1ec9 t\u0103ng t\u1ed1c \u0111\u1ed9 truy xu\u1ea5t n\u1ed9i dung t\u0129nh \u0111\u00e3 kh\u00f4ng c\u00f2n \u0111\u1ee7 \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ng\u01b0\u1eddi d\u00f9ng. C\u00f4ng ngh\u1ec7 t\u00ednh to\u00e1n t\u1ea1i r\u00eca (edge computing) cho ph\u00e9p truy\u1ec1n kh\u1ea3 n\u0103ng x\u1eed l\u00fd d\u1eef li\u1ec7u \u0111\u1ebfn c\u00e1c node (n\u00fat) \u1edf g\u1ea7n ng\u01b0\u1eddi d\u00f9ng, t\u1eeb \u0111<\/p>\n\n\n\n

Edge Functions v\u00e0 T\u00ednh to\u00e1n Serverless<\/h3>\n\n\n\n

H\u00e0m bi\u00ean (Edge Function) l\u00e0 lo\u1ea1i h\u00e0m kh\u00f4ng c\u00f3 tr\u1ea1ng th\u00e1i (stateless) v\u00e0 \u0111\u01b0\u1ee3c th\u1ef1c thi theo nguy\u00ean l\u00fd k\u00edch ho\u1ea1t b\u1edfi s\u1ef1 ki\u1ec7n (event-driven), ch\u1ea1y tr\u00ean c\u00e1c n\u00fat bi\u00ean (edge nodes). C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 bi\u00ean d\u1ecbch nh\u1eefng logic kinh doanh v\u1ed1n c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean m\u00e1y ch\u1ee7 trung t\u00e2m (central server) \u2013 ch\u1eb3ng h\u1ea1n nh\u01b0 t\u00f9y ch\u1ec9nh n\u1ed9i dung cho ng\u01b0\u1eddi d\u00f9ng, x\u00e1c th\u1ef1c d\u1eef li\u1ec7u, t\u1ed5ng h\u1ee3p d\u1eef li\u1ec7u t\u1eeb c\u00e1c API, ho\u1eb7c \u0111\u1ed5i \u0111\u1ed5i c\u00e1ch \u0111\u1ecbnh tuy\u1ebfn (route rewriting) \u2013 th\u00e0nh nh\u1eefng h\u00e0m nh\u1eb9 (lightweight functions) v\u00e0 tri\u1ec3n khai ch\u00fang tr\u00ean m\u1ea1ng<\/p>\n\n\n\n

Khi m\u1ed9t y\u00eau c\u1ea7u t\u1eeb ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn, n\u00fat c\u1ea1nh (edge node) g\u1ea7n nh\u1ea5t s\u1ebd ngay l\u1eadp t\u1ee9c th\u1ef1c thi logic ch\u1ee9c n\u0103ng t\u01b0\u01a1ng \u1ee9ng. \u0110i\u1ec1u n\u00e0y t\u1ea1o n\u00ean m\u1ed9t s\u1ef1 thay \u0111\u1ed5i mang t\u00ednh c\u00e1ch m\u1ea1ng: M\u1ed9t ng\u01b0\u1eddi d\u00f9ng \u1edf Tokyo v\u00e0 m\u1ed9t ng\u01b0\u1eddi d\u00f9ng \u1edf London khi truy c\u1eadp c\u00f9ng m\u1ed9t API c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1edfi c\u00e1c n\u00fat c\u1ea1nh \u0111\u1ecba ph\u01b0\u01a1ng; c\u00e1c n\u00fat n\u00e0y ch\u1ec9 c\u1ea7n truy c\u1eadp v\u00e0o b\u1ea3n sao c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u1ee7a khu v\u1ef1c \u0111\u00f3 ho\u1eb7c th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c x\u1eed l\u00fd d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1ecbnh d\u1ea1ng theo ng\u00f4n ng\u1eef c\u1ee5 th\u1ec3 c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. K\u1ebft qu\u1ea3 l\u00e0 th\u1eddi gian ph\u1ea3n h\u1ed3i c\u00f3 th\u1ec3 gi\u1ea3m t\u1eeb v\u00e0i tr\u0103m mili gi\u00e2y xu\u1ed1ng c\u00f2n v\u00e0i ch\u1ee5c mili gi\u00e2y.<\/p>\n

\u0110\u1ecdc th\u00eam Ph\u00e1t tri\u1ec3n Full-stack c\u1ea7n bi\u1ebft: H\u01b0\u1edbng d\u1eabn chuy\u00ean s\u00e2u v\u1ec1 c\u1ea5u h\u00ecnh v\u00e0 t\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 CDN<\/a>\u3002<\/p>\n\n\n\n\n

Vi\u1ec7c tri\u1ec3n khai t\u00ednh c\u00e1 nh\u00e2n h\u00f3a v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u theo th\u1eddi gian th\u1ef1c<\/h3>\n\n\n\n

Tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o \u1edf c\u1ea5p \u0111\u1ed9 bi\u00ean (edge computing) cho ph\u00e9p vi\u1ec7c hi\u1ec3n th\u1ecb n\u1ed9i dung \u0111\u01b0\u1ee3c c\u00e1 nh\u00e2n h\u00f3a m\u1ed9t c\u00e1ch th\u1eddi gian th\u1ef1c ngay g\u1ea7n ng\u01b0\u1eddi d\u00f9ng. V\u00ed d\u1ee5, c\u00e1c trang web th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed c\u00f3 th\u1ec3 d\u1ef1a tr\u00ean v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd v\u00e0 l\u1ecbch s\u1eed truy c\u1eadp c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 t\u1ea1o ra danh s\u00e1ch s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t m\u1ed9t c\u00e1ch t\u1ef1 \u0111\u1ed9ng t\u1ea1i c\u00e1c n\u00fat x\u1eed l\u00fd \u1edf c\u1ea5p \u0111\u1ed9 bi\u00ean, sau \u0111\u00f3 \u0111\u01b0a nh\u1eefng danh s\u00e1ch n\u00e0y tr\u1ef1c ti\u1ebfp v\u00e0o trang web \u0111\u01b0\u1ee3c tr\u1ea3 v\u1ec1 cho ng\u01b0\u1eddi d\u00f9ng. Vi\u1ec7c n\u00e0y kh\u00f4ng c\u1ea7n ph\u1ea3i ch\u1edd \u0111\u1ebfn khi trang web \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb tr\u00ean m\u00e1y kh\u00e1ch ho\u00e0n t\u1ea5t, r\u1ed3i m\u1edbi g\u1eedi y\u00eau c\u1ea7u qua API \u0111\u1ec3 l\u1ea5y d\u1eef li\u1ec7u t\u1eeb m\u00e1y ch\u1ee7 trung t\u00e2m. Nh\u1edd \u0111\u00f3, qu\u00e1 tr\u00ecnh hi\u1ec3n th\u1ecb n\u1ed9i dung \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ngay t\u1ea1i \u201cc\u1ea5p \u0111\u1ed9 bi\u00ean\u201d (edge), gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 v\u00e0 hi\u1ec7u qu\u1ea3 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 tin c\u1eady cao v\u1ec1 th\u1eddi gian th\u1ef1c, nh\u01b0 tr\u00f2 ch\u01a1i tr\u1ef1c tuy\u1ebfn, t\u01b0\u01a1ng t\u00e1c tr\u1ef1c ti\u1ebfp, ho\u1eb7c t\u1ed5ng h\u1ee3p d\u1eef li\u1ec7u t\u1eeb c\u00e1c thi\u1ebft b\u1ecb IoT, c\u00e1c n\u00fat c\u1ea1nh (edge nodes) c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c x\u1eed l\u00fd v\u00e0 l\u1ecdc d\u1eef li\u1ec7u ban \u0111\u1ea7u, ch\u1ec9 g\u1eedi nh\u1eefng th\u00f4ng tin quan tr\u1ecdng l\u00ean trung t\u00e2m. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 tr\u1ec5 v\u00e0 chi ph\u00ed b\u0103ng th\u00f4ng.<\/p>\n\n\n\n

C\u00e1c chi\u1ebfn l\u01b0\u1ee3c then ch\u1ed1t \u0111\u1ec3 tri\u1ec3n khai t\u0103ng t\u1ed1c bi\u00ean<\/h2>\n\n\n\n

Vi\u1ec7c tri\u1ec3n khai th\u00e0nh c\u00f4ng d\u1ecbch v\u1ee5 t\u0103ng t\u1ed1c hi\u1ec7u n\u0103ng tr\u00ean c\u00e1c thi\u1ebft b\u1ecb c\u1ea1nh (edge acceleration) kh\u00f4ng \u0111\u01a1n thu\u1ea7n l\u00e0 k\u00edch ho\u1ea1t m\u1ed9t d\u1ecbch v\u1ee5 m\u00e0 \u0111\u00f2i h\u1ecfi ph\u1ea3i c\u00f3 k\u1ebf ho\u1ea1ch chi ti\u1ebft d\u1ef1a tr\u00ean nhu c\u1ea7u kinh doanh c\u1ee5 th\u1ec3 c\u1ee7a doanh nghi\u1ec7p v\u00e0 qu\u00e1 tr\u00ecnh t\u1ed1i \u01b0u h\u00f3a li\u00ean t\u1ee5c trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh.<\/p>\n\n\n\n

C\u1ea5u h\u00ecnh tinh t\u1ebf chi\u1ebfn l\u01b0\u1ee3c b\u1ed9 nh\u1edb \u0111\u1ec7m<\/h3>\n\n\n\n

M\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u1ec7m (cache) hi\u1ec7u qu\u1ea3 ch\u00ednh l\u00e0 c\u00f4ng c\u1ee5 gi\u00fap t\u0103ng c\u01b0\u1eddng hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u1ee9ng d\u1ee5ng. C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u1ea7n x\u00e2y d\u1ef1ng c\u00e1c quy t\u1eafc \u0111\u1ec7m m\u1ed9t c\u00e1ch chi ti\u1ebft, d\u1ef1a tr\u00ean t\u1ea7n su\u1ea5t v\u00e0 m\u1ee9c \u0111\u1ed9 quan tr\u1ecdng c\u1ee7a n\u1ed9i dung \u0111\u01b0\u1ee3c thay \u0111\u1ed5i. \u0110\u1ed1i v\u1edbi c\u00e1c t\u00e0i nguy\u00ean t\u0129nh (static assets) kh\u00f4ng bao gi\u1edd thay \u0111\u1ed5i, th\u1eddi gian l\u01b0u tr\u1eef trong b\u1ed9 \u0111\u1ec7m c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn v\u00e0i th\u00e1ng; \u0111\u1ed1i v\u1edbi h\u00ecnh \u1ea3nh ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt th\u1ec9nh tho\u1ea3ng, th\u1eddi gian l\u01b0u tr\u1eef c\u00f3 th\u1ec3 ng\u1eafn h\u01a1n k\u00e8m theo vi\u1ec7c s\u1eed d\u1ee5ng t\u00ean t\u1ec7p c\u00f3 ch\u1ee9a th\u00f4ng tin phi\u00ean b\u1ea3n (versioning); c\u00f2n \u0111\u1ed1i v\u1edbi c\u00e1c trang t\u00e0i kho\u1ea3n c\u00e1 nh\u00e2n ho\u00e0n to\u00e0n \u0111\u1ed9ng (dynamic personal account pages), c\u00f3 th\u1ec3 quy<\/p>\n\n\n\n

\u0110\u1ed3ng th\u1eddi, c\u1ea7n ph\u1ea3i s\u1eed d\u1ee5ng t\u1ed1t c\u00e1c t\u00ednh n\u0103ng x\u00f3a b\u1ed9 \u0111\u1ec7m v\u00e0 l\u00e0m m\u1edbi n\u1ed9i dung. Khi ph\u00e1t h\u00e0nh phi\u00ean b\u1ea3n m\u1edbi, c\u1ea7n t\u1ef1 \u0111\u1ed9ng x\u00f3a b\u1ed9 \u0111\u1ec7m c\u0169 c\u1ee7a c\u00e1c n\u1ed9i dung li\u00ean quan \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 truy c\u1eadp ngay v\u00e0o c\u00e1c t\u00e0i nguy\u00ean m\u1edbi nh\u1ea5t. C\u00e1c c\u01a1 ch\u1ebf \u0111\u00e1nh d\u1ea5u v\u00e0 x\u00e1c th\u1ef1c b\u1ed9 \u0111\u1ec7m h\u1ee3p l\u00fd c\u0169ng l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 gi\u1eef cho n\u1ed9i dung lu\u00f4n nh\u1ea5t qu\u00e1n.<\/p>\n\n\n\n

Gi\u00e1m s\u00e1t hi\u1ec7u su\u1ea5t v\u00e0 t\u1ed1i \u01b0u h\u00f3a li\u00ean t\u1ee5c<\/h3>\n\n\n\n

Sau khi tri\u1ec3n khai d\u1ecbch v\u1ee5 t\u0103ng t\u1ed1c n\u1ed9i dung t\u1ea1i c\u00e1c \u0111i\u1ec3m truy c\u1eadp g\u1ea7n ng\u01b0\u1eddi d\u00f9ng (edge acceleration), c\u1ea7n thi\u1ebft ph\u1ea3i thi\u1ebft l\u1eadp m\u1ed9t h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t hi\u1ec7u qu\u1ea3. H\u1ec7 th\u1ed1ng n\u00e0y bao g\u1ed3m, nh\u01b0ng kh\u00f4ng gi\u1edbi h\u1ea1n \u1edf: theo d\u00f5i \u0111\u1ed9 tr\u1ec5 v\u00e0 m\u1ee9c \u0111\u1ed9 s\u1eb5n s\u00e0ng ph\u1ee5c v\u1ee5 t\u1ea1i c\u00e1c khu v\u1ef1c kh\u00e1c nhau tr\u00ean to\u00e0n c\u1ea7u, ph\u00e2n t\u00edch t\u1ef7 l\u1ec7 truy c\u1eadp v\u00e0o b\u1ed9 \u0111\u1ec7m (cache hit rate), \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t th\u1ef1c thi c\u00e1c ch\u1ee9c n\u0103ng<\/p>\n\n\n\n

Vi\u1ec7c s\u1eed d\u1ee5ng d\u1eef li\u1ec7u hi\u1ec7u n\u0103ng th\u1ef1c t\u1ebf c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 li\u00ean t\u1ee5c t\u1ed1i \u01b0u h\u00f3a l\u00e0 r\u1ea5t quan tr\u1ecdng. B\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch d\u1eef li\u1ec7u hi\u1ec7u n\u0103ng, ch\u00fang ta c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c nh\u1eefng khu v\u1ef1c n\u00e0o c\u1ea7n c\u1ea3i thi\u1ec7n c\u1ea5u h\u00ecnh b\u1ed9 \u0111\u1ec7m, nh\u1eefng API n\u00e0o ph\u00f9 h\u1ee3p \u0111\u1ec3 chuy\u1ec3n sang x\u1eed l\u00fd b\u1edfi c\u00e1c ch\u1ee9c n\u0103ng \u1edf c\u1ea1nh (edge functions), v\u00e0 nh\u1eefng r\u00e0o c\u1ea3n n\u00e0o tr\u00ean m\u00e1y ch\u1ee7 ngu\u1ed3n (origin server) c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft b\u1edfi c\u00e1c h\u1ec7 th\u1ed1ng \u1edf c\u1ea1nh. C\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t hi\u1ec7u n\u0103ng ng\u01b0\u1eddi d\u00f9ng th\u1ef1c t\u1ebf (real user monitoring) c\u00f3 th\u1ec3 cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft v\u1ec1 th\u1eddi gian th\u1ef1c hi\u1ec7n t\u1eebng b\u01b0\u1edbc trong qu\u00e1 tr\u00ecnh t\u1ea3i trang, gi\u00fap x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c c\u00e1c \u0111i\u1ec3m n<\/p>\n\n\n\n

T\u00f3m l\u1ea1i<\/h2>\n\n\n\n

C\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c \u1edf t\u1ea7ng bi\u00ean (edge acceleration) gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 tr\u1ec5 truy c\u1eadp m\u1ed9t c\u00e1ch tri\u1ec7t \u0111\u1ec3 b\u1eb1ng c\u00e1ch ph\u00e2n b\u1ed1 n\u1ed9i dung v\u00e0 kh\u1ea3 n\u0103ng x\u1eed l\u00fd m\u1ed9t c\u00e1ch linh ho\u1ea1t g\u1ea7n ng\u01b0\u1eddi d\u00f9ng, nh\u1edd v\u00e0o v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd c\u1ee7a h\u1ecd tr\u00ean m\u1ea1ng. CDN (Content Delivery Network) \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c ph\u00e2n ph\u1ed1i v\u00e0 b\u1ea3o m\u1eadt n\u1ed9i dung t\u0129nh m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3; trong khi \u0111\u00f3, c\u00f4ng ngh\u1ec7 t\u00ednh to\u00e1n \u1edf t\u1ea7ng bi\u00ean (edge computing) l\u1ea1i \u0111\u01b0a logic x\u1eed l\u00fd c\u00e1c y\u00eau c\u1ea7u n\u1ed9i dung \u0111\u1ed9ng (dynamic content) ra g\u1ea7n ng\u01b0\u1eddi d\u00f9ng h\u01a1n, t\u1eeb \u0111\u00f3 t\u0103ng t\u1ed1c to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh x\u1eed l\u00fd. S\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa hai c\u00f4ng ngh\u1ec7 n\u00e0y mang l\u1ea1i tr\u1ea3i nghi\u1ec7m truy c\u1eadp to\u00e0n c\u1ea7u v\u1edbi \u0111\u1ed9 tr\u1ec5 th\u1ea5p, t\u00ednh s\u1eb5n s\u00e0ng cao v\u00e0 m\u1ee9c \u0111\u1ed9 b\u1ea3o m\u1eadt cao cho c\u00e1c \u1ee9ng d\u1ee5ng web hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n

Vi\u1ec7c tri\u1ec3n khai c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c d\u1eef li\u1ec7u t\u1ea1i c\u00e1c \u0111i\u1ec3m cu\u1ed1i (edge acceleration) \u0111\u00f2i h\u1ecfi s\u1ef1 xem x\u00e9t to\u00e0n di\u1ec7n \u0111\u1ed1i v\u1edbi c\u00e1c chi\u1ebfn l\u01b0\u1ee3c l\u01b0u tr\u1eef d\u1eef li\u1ec7u (cache strategies), c\u00e1ch ph\u00e2n chia logic m\u1ed9t c\u00e1ch linh ho\u1ea1t (dynamic logic splitting), c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t hi\u1ec7u n\u0103ng (performance monitoring), v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt (security protection). \u0110\u00e2y l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh t\u1ed1i \u01b0u h\u00f3a li\u00ean t\u1ee5c. V\u1edbi s\u1ef1 ph\u1ed5 bi\u1ebfn c\u1ee7a c\u00e1c c\u00f4ng ngh\u1ec7 nh\u01b0 5G v\u00e0 Internet of Things (IoT), y\u00eau c\u1ea7u v\u1ec1 t\u00ednh th\u1eddi gian th\u1ef1c (real-time performance) v\u00e0 \u0111\u1ed9 tin c\u1eady (reliability) s\u1ebd ng\u00e0y c\u00e0ng cao. Do \u0111\u00f3, t\u0103ng t\u1ed1c d\u1eef li\u1ec7u t\u1ea1i c\u00e1c \u0111i\u1ec3m cu\u1ed1i kh\u00f4ng c\u00f2n ch\u1ec9 l\u00e0 m\u1ed9t t\u00f9y ch\u1ecdn t<\/p>\n\n\n\n

FAQ \u5e38\u89c1\u95ee\u9898<\/h2>\n\n\n\n

T\u0103ng t\u1ed1c bi\u00ean kh\u00e1c v\u1edbi CDN truy\u1ec1n th\u1ed1ng nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n\n\n\n

C\u00e1c h\u1ec7 th\u1ed1ng CDN (Content Delivery Network) truy\u1ec1n th\u1ed1ng ch\u1ee7 y\u1ebfu t\u1eadp trung v\u00e0o vi\u1ec7c ph\u00e2n ph\u1ed1i v\u00e0 l\u01b0u tr\u1eef n\u1ed9i dung d\u1ea1ng t\u0129nh (static files), v\u1edbi gi\u00e1 tr\u1ecb c\u1ed1t l\u00f5i l\u00e0 gi\u00fap r\u00fat ng\u1eafn qu\u00e3ng \u0111\u01b0\u1eddng truy\u1ec1n t\u1ea3i c\u00e1c t\u00e0i nguy\u00ean n\u00e0y.<\/p>\n\n\n\n

\u201cEdge Acceleration\u201d (T\u0103ng t\u1ed1c t\u1ea1i c\u00e1c \u0111i\u1ec3m cu\u1ed1i) l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m r\u1ed9ng l\u1edbn h\u01a1n; n\u00f3 bao g\u1ed3m c\u00e1c ch\u1ee9c n\u0103ng c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng CDN (Content Delivery Network) truy\u1ec1n th\u1ed1ng, \u0111\u1ed3ng th\u1eddi b\u1ed5 sung th\u00eam c\u00e1c t\u00ednh n\u0103ng c\u1ee7a c\u00f4ng ngh\u1ec7 t\u00ednh to\u00e1n t\u1ea1i c\u00e1c \u0111i\u1ec3m cu\u1ed1i (edge computing). \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 n\u00f3 kh\u00f4ng ch\u1ec9 l\u01b0u tr\u1eef n\u1ed9i dung m\u00e0 c\u00f2n c\u00f3 th\u1ec3 th\u1ef1c thi m\u00e3 \u1ee9ng d\u1ee5ng tr\u1ef1c ti\u1ebfp t\u1ea1i c\u00e1c n\u00fat \u0111i\u1ec3m cu\u1ed1i, x\u1eed l\u00fd c\u00e1c y\u00eau c\u1ea7u API, x\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng, t\u1ed5ng h\u1ee3p n\u1ed9i dung theo y\u00eau c\u1ea7u c\u00e1 nh\u00e2n, v\u00e0 th\u1ef1c hi\u1ec7n nhi\u1ec1u t\u00e1c v\u1ee5 \u0111\u1ed9ng kh\u00e1c. Nh\u1edd \u0111\u00f3, qu\u00e1 tr\u00ecnh truy\u1ec1n t\u1ea3i n\u1ed9i dung \u0111\u01b0\u1ee3c t\u0103ng t\u1ed1c m\u1ed9t c\u00e1ch to\u00e0n di\u1ec7n,<\/p>\n\n\n\n

Li\u1ec7u vi\u1ec7c t\u0103ng t\u1ed1c hi\u1ec7u su\u1ea5t trang web (edge acceleration) c\u00f3 c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi nh\u1eefng trang web nh\u1ecf kh\u00f4ng?<\/h3>\n\n\n\n

\u0110\u1ed1i v\u1edbi nh\u1eefng trang web nh\u1ecf m\u00e0 ng\u01b0\u1eddi d\u00f9ng ch\u1ee7 y\u1ebfu t\u1eadp trung \u1edf m\u1ed9t khu v\u1ef1c nh\u1ea5t \u0111\u1ecbnh, n\u1ebfu m\u00e1y ch\u1ee7 ngu\u1ed3n \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u1ea1i \u0111\u1ecba \u0111i\u1ec3m ph\u00f9 h\u1ee3p, th\u00ec vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c (nh\u01b0 edge acceleration) c\u00f3 th\u1ec3 kh\u00f4ng c\u1ea7n thi\u1ebft trong giai \u0111o\u1ea1n \u0111\u1ea7u. Tuy nhi\u00ean, ngay khi trang web b\u1eaft \u0111\u1ea7u thu h\u00fat l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp t\u1eeb kh\u1eafp n\u01a1i tr\u00ean th\u1ebf gi\u1edbi, ho\u1eb7c khi c\u00f3 nh\u1eefng y\u00eau c\u1ea7u cao v\u1ec1 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u00e0 hi\u1ec7u su\u1ea5t, l\u1ee3i \u00edch c\u1ee7a c\u00e1c<\/p>\n\n\n\n

Ngay c\u1ea3 \u0111\u1ed1i v\u1edbi c\u00e1c trang web nh\u1ecf, vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c d\u1ecbch v\u1ee5 CDN (Content Delivery Network) c\u01a1 b\u1ea3n c\u0169ng mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch nh\u01b0 b\u1ea3o v\u1ec7 an ninh, gi\u1ea3m t\u1ea3i cho m\u00e1y ch\u1ee7, v\u00e0 n\u00e2ng cao \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh khi truy c\u1eadp. H\u01a1n n\u1eefa, nhi\u1ec1u nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 cung c\u1ea5p g\u00f3i d\u1ecbch v\u1ee5 mi\u1ec5n ph\u00ed ho\u1eb7c c\u00f3 gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng, mang l\u1ea1i hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng cao. Do \u0111\u00f3, t\u1eeb g\u00f3c \u0111\u1ed9 th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t, vi\u1ec7c \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c n\u1ed9i dung t\u1ea1i c\u00e1c \u0111i\u1ec3m g\u1ea7n<\/p>\n\n\n\n

Vi\u1ec7c di chuy\u1ec3n \u1ee9ng d\u1ee5ng sang ki\u1ebfn tr\u00fac edge (edge architecture) c\u00f3 ph\u1ee9c t\u1ea1p kh\u00f4ng?<\/h3>\n\n\n\n

M\u1ee9c \u0111\u1ed9 ph\u1ee9c t\u1ea1p ph\u1ee5 thu\u1ed9c v\u00e0o ki\u1ebfn tr\u00fac hi\u1ec7n t\u1ea1i c\u1ee7a \u1ee9ng d\u1ee5ng. \u0110\u1ed1i v\u1edbi c\u00e1c trang web t\u0129nh, vi\u1ec7c t\u00edch h\u1ee3p CDN th\u01b0\u1eddng r\u1ea5t \u0111\u01a1n gi\u1ea3n. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng web hi\u1ec7n \u0111\u1ea1i ch\u1ee9a logic \u0111\u1ed9ng, vi\u1ec7c di chuy\u1ec3n (migrate) c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo chi\u1ebfn l\u01b0\u1ee3c t\u1eebng b\u01b0\u1edbc (t\u1eebng giai \u0111o\u1ea1n).<\/p>\n\n\n\n

V\u00ed d\u1ee5, b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng CDN (Content Delivery Network) \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 truy c\u1eadp t\u1ea5t c\u1ea3 c\u00e1c t\u00e0i nguy\u00ean t\u0129nh. Sau \u0111\u00f3, h\u00e3y chuy\u1ec3n \u0111\u1ed5i m\u1ed9t s\u1ed1 logic kinh doanh kh\u00f4ng mang t\u00ednh ch\u1ea5t \u201ctr\u1ea1ng th\u00e1i\u201d (kh\u00f4ng l\u01b0u tr\u1eef d\u1eef li\u1ec7u gi\u1eefa c\u00e1c l\u1ea7n g\u1ecdi) v\u00e0 kh\u00f4ng ph\u1ea3i l\u00e0 y\u1ebfu t\u1ed1 c\u1ed1t l\u00f5i th\u00e0nh c\u00e1c ch\u1ee9c n\u0103ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean c\u00e1c m\u00e1y ch\u1ee7 \u1edf \u201cr\u00eca m\u1ea1ng\u201d (edge servers), ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00f4ng c\u1ee5 ph\u00e1t hi\u1ec7n robot, ch\u1ee9c n\u0103ng \u0111\u1ed5i \u0111\u1ecba ch\u1ec9 URL, ho\u1eb7c vi\u1ec7c th\u00eam n\u1ed9i dung v\u00e0o ph\u1ea7n \u0111\u1ea7u trang (header injection). H\u00e3y t\u1eebng b\u01b0\u1edbc di chuy\u1ec3n nhi\u1ec1u logic kh\u00e1c sang c\u00e1c m\u00e1y ch\u1ee7 \u1edf r\u00eca m\u1ea1ng h\u01a1n, v\u00e0 cu\u1ed1i c\u00f9ng c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t ki\u1ebfn tr\u00fac \u01b0u ti\u00ean s\u1eed d\u1ee5ng c\u00e1c m\u00e1y ch\u1ee7 \u1edf r\u00eca m\u1ea1ng. Nhi\u1ec1u<\/p>\n\n\n\n

L\u00e0m th\u1ebf n\u00e0o m\u00e0 \u0111i\u1ec7n to\u00e1n bi\u00ean (edge computing) c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 b\u1ea3o m\u1eadt d\u1eef li\u1ec7u?<\/h3>\n\n\n\n

S\u1ef1 nh\u1ea5t qu\u00e1n c\u1ee7a d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o th\u00f4ng qua m\u1ed9t ki\u1ebfn tr\u00fac \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1t. \u0110\u1ed1i v\u1edbi nh\u1eefng d\u1eef li\u1ec7u c\u1ed1t l\u00f5i y\u00eau c\u1ea7u t\u00ednh nh\u1ea5t qu\u00e1n cao, c\u00e1c thao t\u00e1c v\u1eabn c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean c\u01a1 s\u1edf d\u1eef li\u1ec7u trung t\u00e2m; trong khi \u0111\u00f3, c\u00e1c n\u00fat bi\u00ean (edge nodes) x\u1eed l\u00fd c\u00e1c th\u00f4ng tin li\u00ean quan \u0111\u1ebfn phi\u00ean ng\u01b0\u1eddi d\u00f9ng (session data), d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong b\u1ed9 nh\u1edb \u0111\u1ec7m (cache), ho\u1eb7c c\u00e1c b\u1ea3n sao ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u1ecdc (read-only copies). Nh\u1edd v\u00e0o ki\u1ebfn tr\u00fac d\u1ef1a tr\u00ean s\u1ef1 k\u00edch ho\u1ea1t b\u1edfi s\u1ef1 ki\u1ec7n (event-driven architecture) v\u00e0 c\u00f4ng ngh\u1ec7 \u0111\u1ed3ng b\u1ed9 h\u00f3a d\u1eef li\u1ec7u theo th\u1eddi<\/p>\n\n\n\n

V\u1ec1 m\u1eb7t b\u1ea3o m\u1eadt, c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u1edf \u201cr\u00eca m\u1ea1ng\u201d (edge providers) th\u01b0\u1eddng cung c\u1ea5p nh\u1eefng bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 m\u1ea1nh m\u1ebd \u1edf t\u1ea7ng c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng. Ngo\u00e0i ra, tr\u00e1ch nhi\u1ec7m b\u1ea3o m\u1eadt \u0111\u01b0\u1ee3c chia s\u1ebb gi\u1eefa t\u1ea5t c\u1ea3 c\u00e1c b\u00ean li\u00ean quan. C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u1ea7n \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00e3 ngu\u1ed3n c\u1ee7a c\u00e1c h\u00e0m \u0111\u01b0\u1ee3c vi\u1ebft \u0111\u1ec3 th\u1ef1c hi\u1ec7n tr\u00ean c\u00e1c n\u1ec1n t\u1ea3ng n\u00e0y an to\u00e0n, tu\u00e2n theo nguy\u00ean t\u1eafc \u201c\u0111\u1ee7 quy\u1ec1n nh\u01b0ng kh\u00f4ng qu\u00e1 \u0111\u1ee7\u201d (least privilege), qu\u1ea3n l\u00fd c\u1ea9n th\u1eadn c\u00e1c bi\u1ebfn m\u00f4i tr\u01b0\u1eddng v\u00e0 kh\u00f3a m\u1ed9t c\u00e1ch ch\u1eb7t ch\u1ebd, \u0111\u1ed3ng th\u1eddi th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc x\u00e1c th\u1ef1c v\u00e0 l\u1ecdc d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o\/\u0111\u1ea7u ra m\u1ed9t c\u00e1ch nghi\u00eam ng\u1eb7t, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 tr\u00ean c\u00e1c m\u00e1y ch\u1ee7 truy\u1ec1n th\u1ed1ng. \u0110\u1eb7c t\u00ednh c\u00e1ch ly c\u1ee7a m\u00f4i tr\u01b0\u1eddng \u1edf \u201cr\u00eca m\u1ea1ng\u201d c\u00f9ng kh\u1ea3 n\u0103ng tri\u1ec3n khai<\/p>","protected":false},"excerpt":{"rendered":"

B\u00e0i vi\u1ebft n\u00e0y th\u1ea3o lu\u1eadn v\u1ec1 c\u00e1ch c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c \u1edf \u201cr\u00eca m\u1ea1ng\u201d (edge acceleration) ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t trang web th\u00f4ng qua c\u00e1c d\u1ecbch v\u1ee5 CDN (Content Delivery Network) v\u00e0 c\u00f4ng ngh\u1ec7 t\u00ednh to\u00e1n \u1edf r\u00eca m\u1ea1ng (edge computing). B\u00e0i vi\u1ebft gi\u1ea3i th\u00edch s\u1ef1 chuy\u1ec3n \u0111\u1ed5i t\u1eeb m\u00f4 h\u00ecnh m\u1ea1ng t\u1eadp trung sang m\u00f4 h\u00ecnh m\u1ea1ng ph\u00e2n t\u00e1n, ph\u00e2n t\u00edch chi ti\u1ebft vai tr\u00f2 quan tr\u1ecdng c\u1ee7a CDN trong vi\u1ec7c t\u0103ng t\u1ed1c n\u1ed9i dung t\u0129nh, b\u1ea3o v\u1ec7 an ninh, c\u0169ng nh\u01b0 c\u1ee7a c\u00f4ng ngh\u1ec7 t\u00ednh to\u00e1n \u1edf r\u00eca m\u1ea1ng trong vi\u1ec7c x\u1eed l\u00fd c\u00e1c logic ph\u1ee9c t\u1ea1p (\u0111\u1ed9ng). Ngo\u00e0i ra, b\u00e0i vi\u1ebft c\u0169ng tr\u00ecnh b\u00e0y c\u00e1c chi\u1ebfn l\u01b0\u1ee3c tri\u1ec3n khai c\u1ee5 th\u1ec3, nh\u1eb1m gi\u00fap ng\u01b0\u1eddi \u0111\u1ecdc<\/p>","protected":false},"author":7,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[53,285,511],"knowledge_category":[278],"class_list":["post-12377760","knowledge_post","type-knowledge_post","status-publish","hentry","tag-cdn","tag-website-performance-optimization","tag-edge-acceleration","knowledge_category-cdn"],"acf":{"site_seo_keywords":"\u8fb9\u7f18\u52a0\u901f,CDN,\u7f51\u7ad9\u6027\u80fd,\u7528\u6237\u4f53\u9a8c,\u8fb9\u7f18\u8ba1\u7b97,\u5185\u5bb9\u5206\u53d1\u7f51\u7edc,\u964d\u4f4e\u5ef6\u8fdf,\u5206\u5e03\u5f0f\u7f51\u7edc\u67b6\u6784"},"_links":{"self":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12377760","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts"}],"about":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/types\/knowledge_post"}],"author":[{"embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"version-history":[{"count":0,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12377760\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/media?parent=12377760"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/tags?post=12377760"},{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_category?post=12377760"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}