{"id":12364687,"date":"2026-03-13T04:56:28","date_gmt":"2026-03-12T20:56:28","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/%e8%be%b9%e7%bc%98%e5%8a%a0%e9%80%9f%e6%8a%80%e6%9c%af%e8%a7%a3%e6%9e%90%ef%bc%9a%e5%a6%82%e4%bd%95%e6%8f%90%e5%8d%87%e7%bd%91%e7%ab%99%e6%80%a7%e8%83%bd%e4%b8%8e%e7%94%a8%e6%88%b7%e4%bd%93%e9%aa%8c\/"},"modified":"2026-03-13T05:18:15","modified_gmt":"2026-03-12T21:18:15","slug":"edge-acceleration-technology-improve-website-performance-user-experience-2","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/cdn\/edge-acceleration-technology-improve-website-performance-user-experience-2\/","title":{"rendered":"T\u00ecm hi\u1ec3u v\u1ec1 c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c tr\u00ean c\u00e1c g\u00f3c c\u1ea1nh (Edge Acceleration Technology): L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t trang web v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng"},"content":{"rendered":"

Trong th\u1eddi \u0111\u1ea1i m\u00e0 tr\u1ea3i nghi\u1ec7m s\u1ed1 \u0111\u01b0\u1ee3c \u0111\u1eb7t l\u00ean h\u00e0ng \u0111\u1ea7u ng\u00e0y nay, m\u1ed7i gi\u00e2y tr\u00ec ho\u00e3n trong qu\u00e1 tr\u00ecnh t\u1ea3i trang web ho\u1eb7c \u1ee9ng d\u1ee5ng \u0111\u1ec1u c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c ng\u01b0\u1eddi d\u00f9ng r\u1eddi b\u1ecf s\u1ea3n ph\u1ea9m\/d\u1ecbch v\u1ee5 v\u00e0 doanh nghi\u1ec7p b\u1ecf l\u1ee1 c\u01a1 h\u1ed9i kinh doanh. C\u1ea5u tr\u00fac trung t\u00e2m d\u1eef li\u1ec7u t\u1eadp trung truy\u1ec1n th\u1ed1ng, v\u1edbi v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd c\u1ed1 \u0111\u1ecbnh, th\u01b0\u1eddng kh\u00f3 c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nhu c\u1ea7u ph\u1ed5 bi\u1ebfn c\u1ee7a ng\u01b0\u1eddi d\u00f9ng tr\u00ean to\u00e0n th\u1ebf gi\u1edbi v\u1ec1 th\u1eddi gian ph\u1ea3n h\u1ed3i nhanh. \u0110\u00e2y ch\u00ednh l\u00e0 l\u00fac c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c \u1edf \u201cr\u00eca m\u1ea1ng\u201d (edge computing) ra \u0111\u1eddi \u2013 c\u00f4ng ngh\u1ec7 n\u00e0y tri\u1ec3n khai c\u00e1c ngu\u1ed3n l\u1ef1c t\u00ednh to\u00e1n, l\u01b0u tr\u1eef v\u00e0 m\u1ea1ng g\u1ea7n h\u01a1n v\u1edbi ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i, t\u1eeb \u0111\u00f3 thay \u0111\u1ed5i c\u01a1 b\u1ea3n c\u00e1ch th\u1ee9c cung c\u1ea5p n\u1ed9i dung v\u00e0 d\u1ecbch v\u1ee5.<\/p>\n\n\n\n

Tr\u1ecdng t\u00e2m c\u1ee7a c\u00f4ng ngh\u1ec7 n\u00e0y n\u1eb1m \u1edf ph\u01b0\u01a1ng ph\u00e1p \u201cx\u1eed l\u00fd g\u1ea7n ngu\u1ed3n\u201d. D\u00f9 l\u00e0 n\u1ed9i dung trang web t\u0129nh, video tr\u1ef1c tuy\u1ebfn, hay c\u00e1c giao di\u1ec7n API ph\u1ee9c t\u1ea1p, c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c d\u1eef li\u1ec7u t\u1ea1i \u0111i\u1ec3m cu\u1ed1i (edge acceleration) \u0111\u1ec1u c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u01a1 ch\u1ebf \u0111\u1ecbnh tuy\u1ebfn th\u00f4ng minh v\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u (cache) \u0111\u1ec3 \u0111\u01b0a d\u1eef li\u1ec7u \u0111\u1ebfn thi\u1ebft b\u1ecb ng\u01b0\u1eddi d\u00f9ng theo con \u0111\u01b0\u1eddng v\u1eadt l\u00fd ng\u1eafn h\u01a1n, t\u1eeb \u0111\u00f3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 tr\u1ec5 v\u00e0 n\u00e2ng cao t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i.<\/p>\n\n\n\n

Gia t\u1ed1c bi\u00ean l\u00e0 g\u00ec?<\/h2>\n\n\n\n

Edge acceleration (t\u0103ng t\u1ed1c \u1edf c\u1ea1nh) l\u00e0 m\u1ed9t ki\u1ebfn tr\u00fac t\u1ed1i \u01b0u h\u00f3a m\u1ea1ng, v\u1edbi \u00fd t\u01b0\u1edfng ch\u00ednh l\u00e0 ph\u00e2n ph\u1ed1i n\u1ed9i dung, b\u1ea3o v\u1ec7 an ninh v\u00e0 m\u1ed9t ph\u1ea7n kh\u1ea3 n\u0103ng t\u00ednh to\u00e1n t\u1eeb c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u \u0111\u00e1m m\u00e2y truy\u1ec1n th\u1ed1ng (t\u1eadp trung) xu\u1ed1ng c\u00e1c n\u00fat m\u1ea1ng \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 r\u1ed9ng r\u00e3i h\u01a1n, n\u1eb1m g\u1ea7n h\u01a1n v\u1edbi c\u00e1c thi\u1ebft b\u1ecb c\u1ee7a ng\u01b0\u1eddi d\u00f9ng (nh\u01b0 m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i, thi\u1ebft b\u1ecb Internet of Things \u2013 IoT). Nh\u1eefng n\u00fat m\u1ea1ng n\u00e0y t\u1ea1o th\u00e0nh m\u1ed9t m\u1ea1ng l\u01b0\u1edbi ph\u00e2n t\u00e1n l\u1edbn, th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u1ea1i c\u00e1c \u0111i\u1ec3m truy c\u1eadp m\u1ea1ng c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Internet (ISP), trung t\u00e2m d\u1eef li\u1ec7u \u0111\u00f4 th\u1ecb ho\u1eb7c c\u00e1c ph\u00f2ng k\u1ebft n\u1ed1i m\u1ea1ng chuy\u00ean d\u1ee5ng.<\/p>\n

\u0110\u1ecdc th\u00eam M\u1edf kh\u00f3a t\u1ea7m cao m\u1edbi v\u1ec1 hi\u1ec7u su\u1ea5t website: Ph\u00e2n t\u00edch s\u00e2u nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u01b0u \u0111i\u1ec3m c\u1ed1t l\u00f5i c\u1ee7a c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c bi\u00ean<\/a>\u3002<\/p>\n\n\n\n\n

Kh\u00e1c v\u1edbi m\u00f4 h\u00ecnh truy\u1ec1n th\u1ed1ng trong \u0111\u00f3 t\u1ea5t c\u1ea3 c\u00e1c y\u00eau c\u1ea7u \u0111\u1ec1u \u0111\u01b0\u1ee3c chuy\u1ec3n v\u1ec1 m\u00e1y ch\u1ee7 trung t\u00e2m, m\u1ea1ng l\u01b0\u1edbi t\u0103ng t\u1ed1c \u1edf c\u1ea5p \u0111\u1ed9 bi\u00ean (edge acceleration network) s\u1ebd t\u1ef1 \u0111\u1ed9ng \u0111\u1ecbnh h\u01b0\u1edbng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u0111\u1ebfn n\u00fat bi\u00ean (edge node) g\u1ea7n nh\u1ea5t v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng s\u1eb5n s\u00e0ng ph\u1ee5c v\u1ee5 t\u1ed1t nh\u1ea5t. N\u1ebfu n\u00fat bi\u00ean \u0111\u00f3 \u0111\u00e3 l\u01b0u tr\u1eef n\u1ed9i dung m\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u1ea7n, n\u00f3 s\u1ebd tr\u1ea3 v\u1ec1 n\u1ed9i dung \u0111\u00f3 ngay l\u1eadp t\u1ee9c, gi\u00fap \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u1eddi gian ph\u1ea3n h\u1ed3i ch\u1ec9 trong v\u00e0i miligi\u00e2y; n\u1ebfu n\u1ed9i dung kh\u00f4ng c\u00f3 trong b\u1ed9 nh\u1edb \u0111\u1ec7m, n\u00fat bi\u00ean s\u1ebd truy c\u1eadp t\u1eeb m\u00e1y ch\u1ee7 g\u1ed1c (source server) theo \u0111\u01b0\u1eddng d\u1eabn \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a h\u01a1n v\u00e0 \u0111\u1ed3ng th\u1eddi l\u01b0u tr\u1eef n\u1ed9i dung \u0111\u00f3 l\u1ea1i \u0111\u1ec3 s\u1eed d\u1ee5<\/p>\n\n

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\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"\\nbunny.net\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\\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

C\u00e1c th\u00e0nh ph\u1ea7n quan tr\u1ecdng<\/h3>\n\n\n\n

M\u1ed9t h\u1ec7 th\u1ed1ng t\u0103ng t\u1ed1c n\u1ed9i dung t\u1ea1i \u201cr\u00eca\u201d (edge acceleration system) \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m m\u1ed9t s\u1ed1 th\u00e0nh ph\u1ea7n ch\u00ednh: \u0110\u1ea7u ti\u00ean l\u00e0 c\u00e1c n\u00fat tr\u00ean m\u1ea1ng to\u00e0n c\u1ea7u (Point of Presence \u2013 PoP), \u0111\u00f3ng vai tr\u00f2 l\u00e0 n\u1ec1n t\u1ea3ng v\u1eadt l\u00fd cho to\u00e0n b\u1ed9 m\u1ea1ng; ti\u1ebfp theo l\u00e0 h\u1ec7 th\u1ed1ng \u0111\u1ecbnh tuy\u1ebfn th\u00f4ng minh, c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n t\u00edch t\u00ecnh h\u00ecnh m\u1ea1ng theo th\u1eddi gian th\u1ef1c v\u00e0 l\u1ef1a ch\u1ecdn n\u00fat ph\u00f9 h\u1ee3p nh\u1ea5t cho ng\u01b0\u1eddi d\u00f9ng; sau \u0111\u00f3 l\u00e0 c\u00e1c b\u1ed9 l\u01b0u tr\u1eef t\u1ea1m th\u1eddi (edge cache) v\u00e0 b\u1ed9 x\u1eed l\u00fd t\u00ednh to\u00e1n, d\u00f9ng \u0111\u1ec3 l\u01b0u tr\u1eef n\u1ed9i dung v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c logic \u0111\u01a1n gi\u1ea3n; v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 giao di\u1ec7n qu\u1ea3n tr\u1ecb t\u1eadp trung, d\u00f9ng \u0111\u1ec3 c\u1ea5u h\u00ecnh, gi\u00e1m s\u00e1t v\u00e0 t\u1ed1i \u01b0u h\u00f3a to\u00e0n b\u1ed9 d\u1ecbch v\u1ee5 c\u1ee7a m\u1ea1ng.<\/p>\n\n\n\n

Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ed1t l\u00f5i c\u1ee7a t\u0103ng t\u1ed1c bi\u00ean<\/h2>\n\n\n\n

Vi\u1ec7c hi\u1ec3u r\u00f5 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c bi\u00ean (edge acceleration) s\u1ebd gi\u00fap ch\u00fang ta nh\u1eadn th\u1ee9c r\u00f5 h\u01a1n v\u1ec1 c\u00e1ch n\u00f3 th\u1ef1c s\u1ef1 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng. Quy tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00f3m t\u1eaft th\u00e0nh b\u1ed1n b\u01b0\u1edbc ch\u00ednh: \u201cCh\u1eb7n d\u1eef li\u1ec7u (intercept), \u0110\u00e1nh gi\u00e1 d\u1eef li\u1ec7u (<\/p>\n\n\n\n

Khi ng\u01b0\u1eddi d\u00f9ng th\u1ef1c hi\u1ec7n m\u1ed9t y\u00eau c\u1ea7u truy c\u1eadp, y\u00eau c\u1ea7u \u0111\u00f3 s\u1ebd \u0111\u01b0\u1ee3c h\u1ec7 th\u1ed1ng DNS c\u1ee7a m\u1ea1ng t\u0103ng t\u1ed1c c\u1ea1nh (edge acceleration network) ch\u1eb7n l\u1ea1i tr\u01b0\u1edbc ti\u00ean. H\u1ec7 th\u1ed1ng gi\u1ea3i quy\u1ebft DNS th\u00f4ng minh s\u1ebd x\u00e1c \u0111\u1ecbnh \u0111\u1ecba ch\u1ec9 IP c\u1ee7a n\u00fat c\u1ea1nh (edge node) n\u1eb1m g\u1ea7n nh\u1ea5t v\u1edbi v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng k\u1ebft n\u1ed1i t\u1ed1t nh\u1ea5t, d\u1ef1a tr\u00ean th\u00f4ng tin nh\u01b0 v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 m\u1ea1ng, t\u00ecnh tr\u1ea1ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c n\u00fat trong m\u1ea1ng, v.v., v\u00e0 tr\u1ea3 v\u1ec1 \u0111\u1ecba ch\u1ec9 IP \u0111\u00f3 cho ng\u01b0\u1eddi d\u00f9ng. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi ngu\u1ed3n d\u1eef li\u1ec7u t\u1ed1t nh\u1ea5t ngay t\u1eeb b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean.<\/p>\n\n\n\n

Mekanisme x\u1eed l\u00fd y\u00eau c\u1ea7u v\u00e0 l\u01b0u tr\u1eef \u0111\u1ec7m (Request Handling and Caching Mechanisms)<\/h3>\n\n\n\n

Sau khi ng\u01b0\u1eddi d\u00f9ng k\u1ebft n\u1ed1i v\u1edbi n\u00fat c\u1ea1nh (edge node) \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh, n\u00fat \u0111\u00f3 s\u1ebd tr\u1edf th\u00e0nh m\u00e1y ch\u1ee7 trung gian x\u1eed l\u00fd c\u00e1c y\u00eau c\u1ea7u (proxy). \u0110\u1ea7u ti\u00ean, n\u00fat c\u1ea1nh s\u1ebd ki\u1ec3m tra xem trong b\u1ed9 nh\u1edb \u0111\u1ec7m (cache) c\u1ee7a m\u00ecnh c\u00f3 s\u1eb5n b\u1ea3n sao h\u1ee3p l\u1ec7 c\u1ee7a t\u00e0i nguy\u00ean m\u00e0 ng\u01b0\u1eddi d\u00f9ng y\u00eau c\u1ea7u hay kh\u00f4ng. N\u1ebfu c\u00f3 (tr\u01b0\u1eddng h\u1ee3p \u201ccache hit\u201d), n\u00fat c\u1ea1nh s\u1ebd ngay l\u1eadp t\u1ee9c tr\u1ea3 v\u1ec1 t\u00e0i nguy\u00ean \u0111\u00f3 cho ng\u01b0\u1eddi d\u00f9ng, gi\u00fap tr\u00e1nh vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u t\u1eeb ngu\u1ed3n (origin server) qua qu\u00e3ng \u0111\u01b0\u1eddng xa, t\u1eeb \u0111\u00f3 t\u0103ng t\u1ed1c \u0111\u1ed9 truy c\u1eadp. N\u1ebfu kh\u00f4ng t\u00ecm th\u1ea5y b\u1ea3n sao trong b\u1ed9 nh\u1edb \u0111\u1ec7m (cache miss) ho\u1eb7c t\u00e0i nguy\u00ean \u0111\u00e3 h\u1ebft h\u1ea1n, n\u00fat c\u1ea1nh s\u1ebd th\u1ef1c hi\u1ec7n y\u00eau c\u1ea7u \u0111\u1ebfn m\u00e1y ch\u1ee7 ngu\u1ed3n thay m\u1eb7t cho ng\u01b0\u1eddi d\u00f9ng.<\/p>\n

\u0110\u1ecdc th\u00eam Ph\u00e2n t\u00edch c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c bi\u00ean: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t website v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng th\u00f4ng qua c\u00e1c n\u00fat CDN<\/a>\u3002<\/p>\n\n\n\n\n

Sau khi nh\u1eadn \u0111\u01b0\u1ee3c n\u1ed9i dung t\u1eeb m\u00e1y ch\u1ee7 ngu\u1ed3n, c\u00e1c n\u00fat c\u1ea1nh (edge nodes) v\u1eeba tr\u1ea3 n\u1ed9i dung \u0111\u00f3 cho ng\u01b0\u1eddi d\u00f9ng, v\u1eeba l\u01b0u tr\u1eef n\u00f3 theo c\u00e1c quy t\u1eafc \u0111\u1ec7m \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp tr\u01b0\u1edbc (nh\u01b0 lo\u1ea1i t\u1ec7p, c\u00e0i \u0111\u1eb7t ti\u00eau \u0111\u1ec1 HTTP, v.v.). Nh\u1edd \u0111\u00f3, ng\u01b0\u1eddi d\u00f9ng ti\u1ebfp theo y\u00eau c\u1ea7u c\u00f9ng m\u1ed9t t\u00e0i nguy\u00ean c\u00f3 th\u1ec3 tr\u1ef1c ti\u1ebfp nh\u1eadn \u0111\u01b0\u1ee3c n\u1ed9i dung t\u1eeb c\u00e1c n\u00fat c\u1ea1nh, t\u1eeb \u0111\u00f3 t\u1ea1o ra hi\u1ec7u \u1ee9ng t\u0103ng t\u1ed1c \u201cm\u1ed9t ng\u01b0\u1eddi truy c\u1eadp m\u00e1y ch\u1ee7 ngu\u1ed3n, nhi\u1ec1u ng\u01b0\u1eddi h\u01b0\u1edfng l\u1ee3i\u201d. \u0110\u1ed1i v\u1edbi n\u1ed9i dung \u0111\u1ed9ng ho\u1eb7c c\u00e1c y\u00eau c\u1ea7u API, c\u00e1c n\u00fat c\u1ea1nh c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng ngh\u1ec7 nh\u01b0 t\u1ed1i \u01b0u h\u00f3a TCP, t\u00e1i s\u1eed d\u1ee5ng k\u1ebft n\u1ed1i \u0111\u1ec3 gi\u1ea3m chi ph\u00ed thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i v\u1edbi m\u00e1y ch\u1ee7 ngu\u1ed3n v\u00e0 n\u00e2ng cao hi\u1ec7u su\u1ea5t truy\u1ec1n d\u1eef li\u1ec7u.<\/p>\n\n\n\n

L\u1ee3i th\u1ebf c\u00f4ng ngh\u1ec7 ch\u00ednh c\u1ee7a t\u0103ng t\u1ed1c bi\u00ean<\/h2>\n\n\n\n

Vi\u1ec7c \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c b\u00ean l\u1ec1 (edge acceleration) c\u00f3 th\u1ec3 mang l\u1ea1i nh\u1eefng c\u1ea3i thi\u1ec7n v\u1ec1 hi\u1ec7u n\u0103ng v\u00e0 l\u1ee3i \u00edch \u0111a chi\u1ec1u, c\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c cho c\u00e1c trang web v\u00e0 d\u1ecbch v\u1ee5 tr\u1ef1c tuy\u1ebfn; nh\u1eefng l\u1ee3i th\u1ebf c\u1ee7a n\u00f3 kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n n\u1eb1m \u1edf vi\u1ec7c \u201ct\u0103ng t\u1ed1c \u0111\u1ed9 truy c\u1eadp\u201d.<\/p>\n\n\n\n

\u01afu \u0111i\u1ec3m n\u1ed5i b\u1eadt nh\u1ea5t l\u00e0 s\u1ef1 gi\u1ea3m \u0111\u00e1ng k\u1ec3 v\u1ec1 \u0111\u1ed9 tr\u1ec5 v\u00e0 s\u1ef1 t\u0103ng v\u1ecdt v\u1ec1 t\u1ed1c \u0111\u1ed9 t\u1ea3i trang. Do d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n t\u1eeb nh\u1eefng \u0111\u1ecba \u0111i\u1ec3m g\u1ea7n h\u01a1n v\u1ec1 m\u1eb7t v\u1eadt l\u00fd, \u0111\u1ed9 tr\u1ec5 m\u1ea1ng (RTT \u2013 Round-Trip Time) c\u00f3 th\u1ec3 gi\u1ea3m t\u1eeb v\u00e0i tr\u0103m mili gi\u00e2y xu\u1ed1ng c\u00f2n v\u00e0i mili gi\u00e2y ho\u1eb7c th\u1eadm ch\u00ed v\u00e0i miligi\u00e2y. \u0110i\u1ec1u n\u00e0y c\u00f3 \u1ea3nh h\u01b0\u1edfng quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn c\u00e1c ch\u1ec9 s\u1ed1 hi\u1ec7u n\u0103ng c\u1ed1t l\u00f5i nh\u01b0 th\u1eddi gian hi\u1ec3n th\u1ecb n\u1ed9i dung trang web l\u1ea7n \u0111\u1ea7u (FCP \u2013 First Content Paint) v\u00e0 th\u1eddi gian ph\u1ea3n h\u1ed3i c\u1ee7a trang web (TTI \u2013 Time To Interactive), t\u1eeb \u0111\u00f3 mang l\u1ea1i tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng tr\u01a1n tru h\u01a1n.<\/p>\n\n\n\n

N\u00e2ng cao t\u00ednh kh\u1ea3 d\u1ee5ng v\u00e0 b\u1ea3o m\u1eadt<\/h3>\n\n\n\n

M\u1ea1ng l\u01b0\u1edbi t\u0103ng t\u1ed1c t\u1ea1i c\u00e1c \u0111i\u1ec3m cu\u1ed1i (edge acceleration network) t\u1ef1 nhi\u00ean s\u1edf h\u1eefu kh\u1ea3 n\u0103ng s\u1eb5n c\u00f3 cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS. Ki\u1ebfn tr\u00fac ph\u00e2n t\u00e1n \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 \u0111i\u1ec3m l\u1ed7i \u0111\u01a1n l\u1ebb; ngay c\u1ea3 khi m\u1ed9t node ho\u1eb7c khu v\u1ef1c g\u1eb7p s\u1ef1 c\u1ed1, l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp v\u1eabn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ph\u1ed1i m\u1ed9t c\u00e1ch li\u1ec1n m\u1ea1ch sang c\u00e1c node kh\u00e1c \u0111ang ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, gi\u00fap d\u1ecbch v\u1ee5 kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n. \u0110\u1ed3ng th\u1eddi, c\u00e1c node t\u1ea1i c\u00e1c \u0111i\u1ec3m cu\u1ed1i \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 r\u1ed9ng r\u00e3i c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 v\u00e0 ph\u00e2n t\u00e1n l\u01b0u l\u01b0\u1ee3ng l\u1edbn t\u1eeb c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS, \u0111\u1ed3ng th\u1eddi lo\u1ea1i b\u1ecf c\u00e1c l\u01b0u l\u01b0\u1ee3ng \u0111\u1ed9c h\u1ea1i ngay t\u1ea1i \u0111i\u1ec3m cu\u1ed1i \u2013 g\u1ea7n ngu\u1ed3n g\u1ed1c c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng h\u01a1n l\u00e0 tr\u01b0\u1edbc c\u00e1c m\u00e1y ch\u1ee7 ngu\u1ed3n y\u1ebfu \u0111u\u1ed1i.<\/p>\n\n\n\n

Ngo\u00e0i ra, n\u00f3 c\u00f2n c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 t\u1ea3i tr\u1ecdng l\u00ean m\u00e1y ch\u1ee7 ngu\u1ed3n v\u00e0 chi ph\u00ed b\u0103ng th\u00f4ng. H\u1ea7u h\u1ebft c\u00e1c y\u00eau c\u1ea7u t\u1eeb ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec1u \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1edfi b\u1ed9 nh\u1edb \u0111\u1ec7m \u1edf c\u1ea5p \u0111\u1ed9 \u201cedge cache\u201d; ch\u1ec9 m\u1ed9t s\u1ed1 \u00edt y\u00eau c\u1ea7u kh\u00f4ng t\u00ecm th\u1ea5y k\u1ebft qu\u1ea3 trong b\u1ed9 nh\u1edb \u0111\u1ec7m m\u1edbi c\u1ea7n \u0111\u01b0\u1ee3c truy\u1ec1n v\u1ec1 m\u00e1y ch\u1ee7 ngu\u1ed3n. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m b\u1edbt \u0111\u00e1ng k\u1ec3 \u00e1p l\u1ef1c l\u00ean c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u00e0 m\u1ee9c ti\u00eau th\u1ee5 b\u0103ng th\u00f4ng c\u1ee7a m\u00e1y ch\u1ee7 ngu\u1ed3n, cho ph\u00e9p c\u00e1c doanh nghi\u1ec7p s\u1eed d\u1ee5ng c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u1edbi chi ph\u00ed th\u1ea5p h\u01a1n \u0111\u1ec3<\/p>\n\n\n\n

C\u00e1c t\u00ecnh hu\u1ed1ng \u1ee9ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh c\u1ee7a t\u0103ng t\u1ed1c bi\u00ean<\/h2>\n\n\n\n

C\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c hi\u1ec7u su\u1ea5t truy\u1ec1n d\u1eef li\u1ec7u \u1edf c\u00e1c g\u00f3c c\u1ea1nh (edge acceleration technology) c\u00f3 t\u00ednh \u1ee9ng d\u1ee5ng r\u1ea5t r\u1ed9ng r\u00e3i, g\u1ea7n nh\u01b0 bao ph\u1ee7 m\u1ecdi l\u0129nh v\u1ef1c c\u1ea7n ph\u00e2n ph\u1ed1i n\u1ed9i dung k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u1ebfn ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i th\u00f4ng qua Internet.<\/p>\n

\u0110\u1ecdc th\u00eam T\u00ecm hi\u1ec3u s\u00e2u v\u1ec1 CDN: C\u00f4ng ngh\u1ec7 then ch\u1ed1t n\u00e2ng cao hi\u1ec7u su\u1ea5t trang web v\u00e0 t\u1ed1c \u0111\u1ed9 truy c\u1eadp to\u00e0n c\u1ea7u<\/a>\u3002<\/p>\n\n\n\n\n

\u0110\u1ed1i v\u1edbi ng\u00e0nh truy\u1ec1n th\u00f4ng v\u00e0 gi\u1ea3i tr\u00ed, video tr\u1ef1c tuy\u1ebfn, ph\u00e1t tr\u1ef1c ti\u1ebfp tr\u1ef1c tuy\u1ebfn (streaming) v\u00e0 t\u1ea3i xu\u1ed1ng c\u00e1c t\u1ec7p l\u1edbn l\u00e0 nh\u1eefng \u1ee9ng d\u1ee5ng c\u1ed1t l\u00f5i. C\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c d\u1eef li\u1ec7u t\u1ea1i c\u00e1c \u0111i\u1ec3m cu\u1ed1i (edge acceleration) gi\u00fap \u0111\u1ea3m b\u1ea3o r\u1eb1ng kh\u00e1n gi\u1ea3 tr\u00ean to\u00e0n th\u1ebf gi\u1edbi \u0111\u1ec1u c\u00f3 th\u1ec3 xem video v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 kh\u00f4ng g\u1eb7p s\u1ef1 gi\u00e1n \u0111o\u1ea1n (kh\u00f4ng b\u1ecb lag). B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt l\u01b0u tr\u1eef d\u1eef li\u1ec7u theo ph\u1ea7n (segmented caching) v\u00e0 t\u1ed1i \u01b0u h\u00f3a giao th\u1ee9c truy\u1ec1n d\u1eef li\u1ec7u, c\u00f4ng ngh\u1ec7 n\u00e0y gi\u00fap lo\u1ea1i b\u1ecf hi\u1ec7n t\u01b0\u1ee3ng tr\u00ec ho\u00e3n v\u00e0 gi\u1eadt lag khi xem video. C\u00e1c trang web th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed v\u00e0 b\u00e1n l\u1ebb c\u0169ng ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o c\u00f4ng ngh\u1ec7 n\u00e0y; vi\u1ec7c t\u1ea3i nhanh c\u00e1c t\u00e0i nguy\u00ean t\u0129nh nh\u01b0 h\u00ecnh \u1ea3nh s\u1ea3n ph\u1ea9m, trang th\u00f4ng tin s\u1ea3n ph\u1ea9m v\u00e0 c\u00e1c t\u1ec7p \u0111\u1ecbnh d\u1ea1ng CSS l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 n\u00e2ng cao t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i \u0111\u01a1n h\u00e0ng<\/p>\n\n\n\n

T\u0103ng t\u1ed1c c\u00e1c \u1ee9ng d\u1ee5ng Web v\u00e0 API hi\u1ec7n \u0111\u1ea1i<\/h3>\n\n\n\n

V\u1edbi s\u1ef1 ph\u1ed5 bi\u1ebfn c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng trang \u0111\u01a1n (Single Page Applications \u2013 SPA) v\u00e0 ki\u1ebfn tr\u00fac ph\u00e2n t\u00e1ch ph\u1ea7n front-end v\u00e0 back-end, c\u00e1c \u1ee9ng d\u1ee5ng web hi\u1ec7n \u0111\u1ea1i kh\u00f4ng ch\u1ec9 c\u1ea7n t\u1ea3i c\u00e1c t\u00e0i nguy\u00ean t\u0129nh, m\u00e0 c\u00f2n c\u1ea7n th\u1ef1c hi\u1ec7n nhi\u1ec1u l\u1ea7n giao ti\u1ebfp v\u1edbi API ph\u00eda back-end v\u1edbi \u0111\u1ed9 tr\u1ec5 th\u1ea5p. C\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c t\u1ea1i \u0111i\u1ec3m cu\u1ed1i (Edge Acceleration) c\u00f3 th\u1ec3 gi\u00fap t\u1ed1i \u01b0u h\u00f3a c\u00e1c l\u1ec7nh g\u1ecdi API b\u1eb1ng c\u00e1ch thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a gi\u1eefa c\u00e1c node t\u1ea1i \u0111i\u1ec3m cu\u1ed1i v\u00e0 m\u00e1y ch\u1ee7 ngu\u1ed3n, t\u1eeb \u0111\u00f3 gi\u1ea3m b\u1edbt chi ph\u00ed x\u1eed l\u00fd cho m\u1ed7i y\u00eau c\u1ea7u. \u0110\u1ed1i v\u1edbi c\u00e1c n\u1ec1n t\u1ea3ng SaaS (Software as a Service) v\u00e0 tr\u00f2 ch\u01a1i tr\u1ef1c tuy\u1ebfn, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c th\u1eddi gian th\u1ef1c l\u00e0 r\u1ea5t quan tr\u1ecdng; s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa \u0111i\u1ec7n to\u00e1n t\u1ea1i \u0111i\u1ec3m cu\u1ed1i v\u00e0 c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c cho ph\u00e9p th\u1eadm ch\u00ed ch\u1ea1y m\u1ed9t ph\u1ea7n logic tr\u00f2 ch\u01a1i ho\u1eb7c logic nghi\u1ec7p v\u1ee5 tr\u1ef1c ti\u1ebfp tr\u00ean c\u00e1c node t\u1ea1i \u0111i\u1ec3m cu\u1ed1i, mang l\u1ea1i tr\u1ea3i nghi\u1ec7m t\u01b0\u01a1ng t\u00e1c v\u1edbi \u0111\u1ed9 tr\u1ec5 c\u1ef1c k\u1ef3 th\u1ea5p.<\/p>\n\n\n\n

Trong c\u00e1c sc\u00e9nario li\u00ean quan \u0111\u1ebfn Internet of Things (IoT) v\u00e0 d\u1ecbch v\u1ee5 doanh nghi\u1ec7p to\u00e0n c\u1ea7u h\u00f3a, m\u1ed9t l\u01b0\u1ee3ng l\u1edbn thi\u1ebft b\u1ecb c\u1ea7n ph\u1ea3i giao ti\u1ebfp v\u1edbi m\u00e1y ch\u1ee7 tr\u00ean n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y, v\u00e0 c\u00e1c chi nh\u00e1nh trong doanh nghi\u1ec7p c\u1ea7n truy c\u1eadp nhanh ch\u00f3ng v\u00e0o c\u00e1c \u1ee9ng d\u1ee5ng t\u1ea1i tr\u1ee5 s\u1edf ch\u00ednh. C\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c d\u1eef li\u1ec7u t\u1ea1i \u201cr\u00eca\u201d (edge acceleration) c\u00f3 th\u1ec3 cung c\u1ea5p cho nh\u1eefng thi\u1ebft b\u1ecb v\u00e0 d\u1ecbch v\u1ee5 n\u00e0y m\u1ed9t k\u00eanh truy\u1ec1n d\u1eef li\u1ec7u \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u qu\u1ea3, \u0111\u1ea3m b\u1ea3o t\u00ednh th\u1eddi gian th\u1ef1c c\u1ee7a c\u00e1c l\u1ec7nh \u0111\u01b0\u1ee3c th\u1ef1c thi<\/p>\n\n\n\n

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

C\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c \u1edf bi\u00ean gi\u1edbi (Edge Acceleration Technology) b\u1eb1ng c\u00e1ch tri\u1ec3n khai c\u00e1c kh\u1ea3 n\u0103ng d\u1ecbch v\u1ee5 xu\u1ed1ng g\u1ea7n c\u00e1c \u0111i\u1ec3m k\u1ebft n\u1ed1i m\u1ea1ng, t\u1ea1o ra m\u1ed9t \u201c\u0111\u01b0\u1eddng cao t\u1ed1c\u201d k\u1ebft n\u1ed1i ng\u01b0\u1eddi d\u00f9ng v\u1edbi n\u1ed9i dung k\u1ef9 thu\u1eadt s\u1ed1. C\u00f4ng ngh\u1ec7 n\u00e0y gi\u1ea3i quy\u1ebft tri\u1ec7t \u0111\u1ec3 v\u1ea5n \u0111\u1ec1 tr\u1ec5 truy c\u1eadp do kho\u1ea3ng c\u00e1ch \u0111\u1ecba l\u00fd v\u00e0 t\u00ecnh tr\u1ea1ng t\u1eafc ngh\u1ebdn m\u1ea1ng, mang \u0111\u1ebfn cho ng\u01b0\u1eddi d\u00f9ng tr\u1ea3i nghi\u1ec7m truy c\u1eadp nhanh ch\u00f3ng v\u00e0 m\u01b0\u1ee3t m\u00e0. Gi\u00e1 tr\u1ecb c\u1ee7a n\u00f3 kh\u00f4ng ch\u1ec9 th\u1ec3 hi\u1ec7n \u1edf vi\u1ec7c t\u0103ng t\u1ed1c \u0111\u1ed9 truy c\u1eadp, m\u00e0 c\u00f2n n\u1eb1m \u1edf vi\u1ec7c n\u00e2ng cao \u0111\u1ed9 s\u1eb5n s\u00e0ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng, t\u0103ng c\u01b0\u1eddng t\u00ednh b\u1ea3o m\u1eadt, v\u00e0 c\u1ea3i thi\u1ec7n c\u1ea5u tr\u00fac chi ph\u00ed IT t\u1ed5ng th\u1ec3.<\/p>\n\n\n\n

T\u1eeb vi\u1ec7c ph\u00e2n ph\u1ed1i n\u1ed9i dung t\u0129nh \u0111\u1ebfn t\u0103ng t\u1ed1c c\u00e1c API \u0111\u1ed9ng, t\u1eeb truy\u1ec1n ph\u00e1t tr\u1ef1c tuy\u1ebfn \u0111\u1ebfn c\u00e1c \u1ee9ng d\u1ee5ng t\u01b0\u01a1ng t\u00e1c theo th\u1eddi gian th\u1ef1c, c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c t\u1ea1i \u0111i\u1ec3m cu\u1ed1i (edge acceleration) \u0111\u00e3 tr\u1edf th\u00e0nh n\u1ec1n t\u1ea3ng c\u01a1 b\u1ea3n \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c d\u1ecbch v\u1ee5 Internet hi\u1ec7n \u0111\u1ea1i v\u1edbi hi\u1ec7u su\u1ea5t cao v\u00e0 kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i t\u1ed1t. \u0110\u1ed1i v\u1edbi m\u1ecdi doanh nghi\u1ec7p v\u00e0 t\u1ed5 ch\u1ee9c mong mu\u1ed1n ph\u1ee5c v\u1ee5 ng\u01b0\u1eddi d\u00f9ng tr\u00ean to\u00e0n th\u1ebf gi\u1edbi v\u00e0 theo \u0111u\u1ed5i tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng xu\u1ea5t s\u1eafc, vi\u1ec7c hi\u1ec3u r\u00f5 v\u00e0 tri\u1ec3n khai c\u00e1c gi\u1ea3i ph\u00e1p t\u0103ng t\u1ed1c t\u1ea1i \u0111i\u1ec3m cu\u1ed1i kh\u00f4ng c\u00f2n ch\u1ec9 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u, m\u00e0 \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c b\u1eaft bu\u1ed9c<\/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 \u0111\u1ec7m n\u1ed9i dung t\u0129nh (nh\u01b0 h\u00ecnh \u1ea3nh, video, t\u1ec7p CSS\/JS).<\/p>\n\n\n\n

T\u0103ng t\u1ed1c n\u1ed9i dung \u1edf c\u00e1c \u0111i\u1ec3m cu\u1ed1i (Edge Acceleration) l\u00e0 s\u1ef1 ph\u00e1t tri\u1ec3n v\u00e0 m\u1edf r\u1ed9ng c\u1ee7a kh\u00e1i ni\u1ec7m CDN (Content Delivery Network). N\u00f3 kh\u00f4ng ch\u1ec9 bao g\u1ed3m vi\u1ec7c t\u0103ng t\u1ed1c c\u00e1c n\u1ed9i dung t\u0129nh truy\u1ec1n th\u1ed1ng m\u00e0 c\u00f2n t\u00edch h\u1ee3p s\u00e2u r\u1ed9ng c\u00e1c c\u00f4ng ngh\u1ec7 nh\u01b0 t\u0103ng t\u1ed1c n\u1ed9i dung \u0111\u1ed9ng, t\u00ednh to\u00e1n t\u1ea1i c\u00e1c \u0111i\u1ec3m cu\u1ed1i, v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt (nh\u01b0 gi\u1ea3m b\u1edbt t\u00e1c \u0111\u1ed9ng c\u1ee7a DDoS, WAF \u2013 Web Application Firewall). C\u00f3 th\u1ec3 coi \u0111\u00e2y l\u00e0 m\u1ed9t n\u1ec1n t\u1ea3ng m\u1ea1ng ph\u00e2n t\u00e1n \u201cth\u1ebf h\u1ec7 ti\u1ebfp theo\u201d v\u1edbi nhi\u1ec1u ch\u1ee9c n\u0103ng h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng m\u1ea1nh m\u1ebd h\u01a1n.<\/p>\n\n\n\n

N\u1ed9i dung c\u1ee7a trang web \u0111\u1ed9ng c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u0103ng t\u1ed1c x\u1eed l\u00fd b\u1edfi c\u00e1c c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c hi\u1ec7u n\u0103ng (performance acceleration technologies) kh\u00f4ng?<\/h3>\n\n\n\n

\u0110\u01b0\u1ee3c ch\u1ee9. \u0110\u00f3 ch\u00ednh l\u00e0 \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c n\u1ed9i dung t\u1ea1i c\u00e1c \u0111i\u1ec3m truy c\u1eadp (edge acceleration) hi\u1ec7n \u0111\u1ea1i. \u0110\u1ed1i v\u1edbi n\u1ed9i dung \u0111\u1ed9ng (nh\u01b0 c\u00e1c trang web \u0111\u01b0\u1ee3c t\u00f9y ch\u1ec9nh theo ng\u01b0\u1eddi d\u00f9ng, ph\u1ea3n h\u1ed3i t\u1eeb API), c\u00f4ng ngh\u1ec7 n\u00e0y t\u0103ng t\u1ed1c b\u1eb1ng c\u00e1ch t\u1ed1i \u01b0u h\u00f3a \u0111\u01b0\u1eddng d\u1eabn truy c\u1eadp th\u00f4ng minh, c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t k\u1ebft n\u1ed1i TCP, t\u00e1i s\u1eed d\u1ee5ng c\u00e1c phi\u00ean SSL\/TLS, v\u00e0 th\u1eadm ch\u00ed th\u1ef1c hi\u1ec7n m\u1ed9t s\u1ed1 logic x\u1eed l\u00fd (nh\u01b0 x\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng, th\u1eed nghi\u1ec7m A\/B) ngay t\u1ea1i c\u00e1c node tr\u00ean m\u1ea1ng. C\u00f4ng ngh\u1ec7 n\u00e0y kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i l\u01b0u tr\u1eef to\u00e0n b\u1ed9 n\u1ed9i dung \u0111\u1ed9ng, nh\u01b0ng n\u00f3 c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh truy\u1ec1n d\u1eef li\u1ec7u gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u00e1y ch\u1ee7 ngu\u1ed3n, t\u1eeb \u0111\u00f3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 tr\u1ec5 c\u1ee7a c\u00e1c y\u00eau c\u1ea7u \u0111\u1ed9ng.<\/p>\n\n\n\n

Li\u1ec7u vi\u1ec7c tri\u1ec3n khai d\u1ecbch v\u1ee5 t\u0103ng t\u1ed1c truy c\u1eadp ngo\u1ea1i vi (edge acceleration) c\u00f3 y\u00eau c\u1ea7u t\u00f4i ph\u1ea3i thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 m\u00e3 ngu\u1ed3n c\u1ee7a trang web kh\u00f4ng?<\/h3>\n\n\n\n

Th\u00f4ng th\u01b0\u1eddng, kh\u00f4ng c\u1ea7n ph\u1ea3i th\u1ef1c hi\u1ec7n nh\u1eefng thay \u0111\u1ed5i l\u1edbn. H\u1ea7u h\u1ebft c\u00e1c d\u1ecbch v\u1ee5 t\u0103ng t\u1ed1c n\u1ed9i dung t\u1ea1i \u201c\u0111i\u1ec3m cu\u1ed1i\u201d (edge acceleration services) c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i ch\u1ec9 b\u1eb1ng c\u00e1ch c\u1ea5u h\u00ecnh DNS, t\u1ee9c l\u00e0 ch\u1ec9 \u0111\u1ecbnh record CNAME c\u1ee7a t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n v\u1ec1 t\u00ean mi\u1ec1n do nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 t\u0103ng t\u1ed1c cung c\u1ea5p. Nh\u1eefng t\u00f9y ch\u1ec9nh ph\u1ee9c t\u1ea1p h\u01a1n, nh\u01b0 thi\u1ebft l\u1eadp quy t\u1eafc l\u01b0u tr\u1eef \u0111\u1ec7m (cache rules) ho\u1eb7c tri\u1ec3n khai logic c\u1ee7a c\u00e1c ch\u1ee9c n\u0103ng t\u0103ng t\u1ed1c, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua giao di\u1ec7n \u0111i\u1ec1u khi\u1ec3n do nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 cung c\u1ea5p, ho\u1eb7c b\u1eb1ng c\u00e1ch vi\u1ebft m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf m\u00e3 ngu\u1ed3n. \u0110\u00e2y l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p n\u00e2ng cao hi\u1ec7u su\u1ea5t v\u1edbi m\u1ee9c \u0111\u1ed9 can thi\u1ec7p th\u1ea5p v\u00e0o c<\/p>\n\n\n\n

\u0110i\u1ec7n to\u00e1n bi\u00ean v\u00e0 gia t\u1ed1c bi\u00ean c\u00f3 ph\u1ea3i l\u00e0 c\u00f9ng m\u1ed9t kh\u00e1i ni\u1ec7m kh\u00f4ng?<\/h3>\n\n\n\n

Hai y\u1ebfu t\u1ed1 n\u00e0y c\u00f3 m\u1ed1i li\u00ean h\u1ec7 ch\u1eb7t ch\u1ebd v\u1edbi nhau, nh\u01b0ng tr\u1ecdng t\u00e2m kh\u00e1c nhau. C\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c k\u1ebft n\u1ed1i (edge acceleration) t\u1eadp trung v\u00e0o vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a l\u01b0u l\u01b0\u1ee3ng d\u1eef li\u1ec7u tr\u00ean m\u1ea1ng v\u00e0 truy\u1ec1n t\u1ea3i n\u1ed9i dung m\u1ed9t c\u00e1ch nhanh ch\u00f3ng; m\u1ee5c ti\u00eau ch\u00ednh l\u00e0 gi\u1ea3m \u0111\u1ed9 tr\u1ec5 v\u00e0 n\u00e2ng cao<\/p>\n\n\n\n

Trong khi \u0111\u00f3, \u0111i\u1ec7n to\u00e1n bi\u00ean (edge computing) t\u1eadp trung v\u00e0o vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 t\u00ednh to\u00e1n tr\u1ef1c ti\u1ebfp tr\u00ean c\u00e1c n\u00fat bi\u00ean (edge nodes), chuy\u1ec3n m\u1ed9t ph\u1ea7n logic kinh doanh v\u1ed1n \u0111\u01b0\u1ee3c x\u1eed l\u00fd tr\u00ean \u0111\u00e1m m\u00e2y ho\u1eb7c m\u00e1y ch\u1ee7 trung t\u00e2m xu\u1ed1ng c\u00e1c n\u00fat bi\u00ean, nh\u1eb1m gi\u1ea3m \u0111\u1ed9 tr\u1ec5 v\u00e0 ti\u00eau th\u1ee5 b\u0103ng th\u00f4ng trong qu\u00e1 tr\u00ecnh truy\u1ec1n d\u1eef li\u1ec7u. Tr\u00ean th\u1ef1c t\u1ebf, hai xu h\u01b0\u1edbng n\u00e0y \u0111ang ng\u00e0y c\u00e0ng h\u00f2a nh\u1eadp v\u1edbi nhau; nhi\u1ec1u n\u1ec1n t\u1ea3ng t\u0103ng t\u1ed1c d\u1eef li\u1ec7u (data acceleration platforms) hi\u1ec7n nay \u0111\u1ec1u cung c\u1ea5p kh\u1ea3 n\u0103ng t\u00ednh to\u00e1n bi\u00ean, cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n ch\u1ea1y m\u00e3 ngu\u1ed3n t\u00f9y ch\u1ec9nh tr\u00ean c\u00e1c n\u00fat bi\u00ean, t\u1eeb \u0111\u00f3 t\u1ea1o ra c\u00e1c gi\u1ea3i ph\u00e1p t\u00edch h\u1ee3p gi\u1eefa vi\u1ec7c t\u0103ng t\u1ed1c x\u1eed l\u00fd d\u1eef li\u1ec7u v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p t\u00ednh c\u1ea7n thi\u1ebft.<\/p>","protected":false},"excerpt":{"rendered":"

C\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c \u1edf b\u1edd bi\u1ec3n (Edge Acceleration) tri\u1ec3n khai c\u00e1c ngu\u1ed3n l\u1ef1c t\u00ednh to\u00e1n v\u00e0 l\u01b0u tr\u1eef g\u1ea7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng, th\u00f4ng qua c\u00e1c c\u01a1 ch\u1ebf \u0111\u1ecbnh tuy\u1ebfn th\u00f4ng minh v\u00e0 l\u01b0u tr\u1eef \u0111\u1ec7m (cache), gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 th\u1eddi gian tr\u00ec ho\u00e3n trong vi\u1ec7c ph\u00e2n ph\u1ed1i n\u1ed9i dung, t\u1eeb \u0111\u00f3 n\u00e2ng cao t\u1ed1c \u0111\u1ed9 t\u1ea3i trang web v\u00e0 kh\u1ea3 n\u0103ng ph\u1ea3n h\u1ed3i c\u1ee7a ch\u00fang. C\u00f4ng ngh\u1ec7 n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng m\u00e0 c\u00f2n t\u0103ng c\u01b0\u1eddng t\u00ednh s\u1eb5n c\u00f3 c\u1ee7a d\u1ecbch v\u1ee5, \u0111\u1ed9 b\u1ea3o m\u1eadt, v\u00e0 hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed so v\u1edbi c\u00e1c m\u00e1y ch\u1ee7 ngu\u1ed3n (origin servers). N\u00f3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong l\u0129nh v\u1ef1c truy\u1ec1n th\u00f4ng<\/p>","protected":false},"author":7,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[421,511],"knowledge_category":[278],"class_list":["post-12364687","knowledge_post","type-knowledge_post","status-publish","hentry","tag-website-performance","tag-edge-acceleration","knowledge_category-cdn"],"acf":{"site_seo_keywords":"\u8fb9\u7f18\u52a0\u901f,\u7f51\u7ad9\u6027\u80fd,\u7528\u6237\u4f53\u9a8c,CDN,\u4f4e\u5ef6\u8fdf,\u8fb9\u7f18\u8ba1\u7b97,\u667a\u80fd\u8def\u7531\u4e0e\u7f13\u5b58,Web\u5e94\u7528\u52a0\u901f"},"_links":{"self":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12364687","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\/12364687\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/media?parent=12364687"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/tags?post=12364687"},{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_category?post=12364687"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}