{"id":12359141,"date":"2026-03-10T19:22:07","date_gmt":"2026-03-10T11:22:07","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%e5%88%a9%e7%94%a8%e8%be%b9%e7%bc%98%e8%ae%a1%e7%ae%97%e6%8f%90%e5%8d%87%e5%ba%94%e7%94%a8%e6%80%a7\/"},"modified":"2026-03-10T19:41:36","modified_gmt":"2026-03-10T11:41:36","slug":"edge-computing-acceleration-technology-performance-user-experience","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/cdn\/edge-computing-acceleration-technology-performance-user-experience\/","title":{"rendered":"Ph\u00e2n t\u00edch s\u00e2u v\u1ec1 c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c bi\u00ean: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1eadn d\u1ee5ng \u0111i\u1ec7n to\u00e1n bi\u00ean \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t \u1ee9ng d\u1ee5ng v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng"},"content":{"rendered":"

C\u00e1c kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i c\u1ee7a \u0111i\u1ec7n to\u00e1n bi\u00ean (Edge Computing) v\u00e0 t\u0103ng t\u1ed1c bi\u00ean (Edge Acceleration):<\/h2>\n\n\n\n

\u201cEdge acceleration\u201d (t\u0103ng t\u1ed1c \u1edf c\u1ef1c g\u00f3c) kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 \u0111\u01a1n l\u1ebb, m\u00e0 l\u00e0 thu\u1eadt ng\u1eef chung cho m\u1ed9t lo\u1ea1t chi\u1ebfn l\u01b0\u1ee3c k\u1ef9 thu\u1eadt v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ki\u1ebfn tr\u00fac \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean m\u00f4 h\u00ecnh t\u00ednh to\u00e1n t\u1ea1i c\u1ef1c g\u00f3c (edge computing). \u0110\u1ec3 hi\u1ec3u r\u00f5 v\u1ec1 Edge acceleration, tr\u01b0\u1edbc h\u1ebft c\u1ea7n l\u00e0m r\u00f5 n\u1ec1n t\u1ea3ng c\u1ee7a n\u00f3 \u2013 \u0111\u00f3 l\u00e0 c\u00f4ng ngh\u1ec7 t\u00ednh to\u00e1n t\u1ea1i c\u1ef1c g\u00f3c (edge computing). Trong m\u00f4 h\u00ecnh \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y truy\u1ec1n th\u1ed1ng, vi\u1ec7c x\u1eed l\u00fd v\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c t\u1eadp trung t\u1ea1i c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u l\u1edbn; c\u00e1c y\u00eau c\u1ea7u t\u1eeb thi\u1ebft b\u1ecb ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i \u0111i qua nh\u1eefng k\u1ebft n\u1ed1i m\u1ea1ng d\u00e0i m\u1edbi \u0111\u1ebfn \u0111\u01b0\u1ee3c \u201c\u0111\u00e1m m\u00e2y\u201d, v\u00e0 sau khi \u0111\u01b0\u1ee3c x\u1eed l\u00fd xong, d\u1eef li\u1ec7u s\u1ebd \u0111\u01b0\u1ee3c tr\u1ea3 v\u1ec1 theo \u0111\u01b0\u1eddng \u0111i ng\u01b0\u1ee3c l\u1ea1i. M\u00f4 h\u00ecnh t\u1eadp trung n\u00e0y g\u1eb7p nhi\u1ec1u h\u1ea1n ch\u1ebf khi \u0111\u1ed1i m\u1eb7t v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng hi\u1ec7n \u0111\u1ea1i nh\u01b0 Internet of Things (IoT), t\u01b0\u01a1ng t\u00e1c th\u1eddi gian th\u1ef1c, ho\u1eb7c ph\u00e2n ph\u1ed1i n\u1ed9i dung \u0111\u00f2i h\u1ecfi b\u0103ng th\u00f4ng cao, nh\u01b0: \u0111\u1ed9 tr\u1ec5 l\u1edbn, chi ph\u00ed b\u0103ng th\u00f4ng cao, v\u00e0 nguy c\u01a1 r\u00f2 r\u1ec9 d\u1eef li\u1ec7u.<\/p>\n\n\n\n

\u0110i\u1ec7n to\u00e1n bi\u00ean (edge computing) ch\u00ednh l\u00e0 gi\u1ea3i ph\u00e1p \u0111\u01b0\u1ee3c t\u1ea1o ra \u0111\u1ec3 kh\u1eafc ph\u1ee5c nh\u1eefng h\u1ea1n ch\u1ebf n\u00e0y. N\u00f3 di chuy\u1ec3n c\u00e1c ngu\u1ed3n l\u1ef1c v\u1ec1 t\u00ednh to\u00e1n, l\u01b0u tr\u1eef v\u00e0 m\u1ea1ng t\u1eeb c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u \u0111\u00e1m m\u00e2y t\u1eadp trung xu\u1ed1ng nh\u1eefng v\u1ecb tr\u00ed g\u1ea7n ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c ngu\u1ed3n t\u1ea1o ra d\u1eef li\u1ec7u h\u01a1n, nh\u1eefng n\u01a1i n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cn\u00fat bi\u00ean\u201d (edge nodes). C\u00e1c n\u00fat bi\u00ean c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u1ea1i c\u00e1c tr\u1ea1m g\u1ed1c c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 vi\u1ec5n th\u00f4ng, trung t\u00e2m d\u1eef li\u1ec7u khu v\u1ef1c, ph\u00f2ng m\u00e1y n\u1ed9i b\u1ed9 c\u1ee7a doanh nghi\u1ec7p, ho\u1eb7c th\u1eadm ch\u00ed trong c\u00e1c x\u01b0\u1edfng s\u1ea3n xu\u1ea5t ho\u1eb7c thi\u1ebft b\u1ecb di \u0111\u1ed9ng. Vi\u1ec7c t\u0103ng t\u1ed1c x\u1eed l\u00fd d\u1eef li\u1ec7u t\u1ea1i c\u1ea5p \u0111\u1ed9 bi\u00ean (edge acceleration) l\u00e0 vi\u1ec7c t\u1eadn d\u1ee5ng t\u1ed1i \u0111a s\u1ef1 ph\u00e2n b\u1ed1 \u0111\u1ecba l\u00fd v\u00e0 kh\u1ea3 n\u0103ng t\u00ednh to\u00e1n c\u1ee7a c\u00e1c n\u00fat bi\u00ean n\u00e0y \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng. M\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a vi\u1ec7c n\u00e0y l\u00e0 c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng: gi\u1ea3m \u0111\u1ed9 tr\u1ec5 m\u1ea1ng, gi\u1ea3m t\u1ea3i cho m\u00e1y ch\u1ee7 ngu\u1ed3n, v\u00e0 n\u00e2ng cao t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i d\u1ecbch v\u1ee5 c\u0169ng nh\u01b0 \u0111\u1ed9 tin c\u1eady t\u1ed5ng th\u1ec3.<\/p>\n\n\n\n

S\u1ef1 thay \u0111\u1ed5i trong m\u00f4 h\u00ecnh n\u00e0y \u0111\u00e3 l\u00e0m thay \u0111\u1ed5i c\u00e1ch x\u1eed l\u00fd d\u1eef li\u1ec7u. \u0110\u1ed1i v\u1edbi c\u00e1c y\u00eau c\u1ea7u t\u1eeb ng\u01b0\u1eddi d\u00f9ng, h\u1ec7 th\u1ed1ng s\u1ebd t\u1ef1 \u0111\u1ed9ng ph\u00e2n b\u1ed5 ch\u00fang \u0111\u1ebfn n\u00fat c\u1ea1nh (edge node) g\u1ea7n nh\u1ea5t v\u1ec1 m\u1eb7t \u0111\u1ecba l\u00fd ho\u1eb7c m\u1ea1ng \u0111\u1ec3 x\u1eed l\u00fd. N\u1ebfu n\u00fat \u0111\u00f3 \u0111\u00e3 l\u01b0u tr\u1eef n\u1ed9i dung c\u1ea7n thi\u1ebft ho\u1eb7c c\u00f3 kh\u1ea3 n\u0103ng x\u1eed l\u00fd, n\u00f3 c\u00f3 th\u1ec3 ph\u1ea3n h\u1ed3i ngay l\u1eadp t\u1ee9c m\u00e0 kh\u00f4ng c\u1ea7n truy\u1ec1n y\u00eau c\u1ea7u v\u1ec1 trung t\u00e2m \u0111\u00e1m m\u00e2y xa x\u00f4i. Ch\u1ec9 nh\u1eefng d\u1eef li\u1ec7u th\u1ef1c s\u1ef1 c\u1ea7n thi\u1ebft (ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c giao d\u1ecbch quan tr\u1ecdng c\u1ea7n \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef l\u00e2u d\u00e0i ho\u1eb7c d\u1eef li\u1ec7u ph\u00e2n t\u00edch quy m\u00f4 l\u1edbn) m\u1edbi \u0111\u01b0\u1ee3c truy\u1ec1n v\u1ec1 trung t\u00e2m \u0111\u00e1m m\u00e2y theo c\u00e1ch \u0111\u1ed3ng b\u1ed9 ho\u1eb7c b\u1ea5t \u0111\u1ed3ng b\u1ed9. V\u1ec1 b\u1ea3n ch\u1ea5t, \u0111i\u1ec1u n\u00e0y l\u00e0 vi\u1ec7c di chuy\u1ec3n qu\u00e1 tr\u00ecnh \u201ct\u00ednh to\u00e1n\u201d g\u1ea7n h\u01a1n v\u1edbi \u201cd\u1eef li\u1ec7u\u201d v\u00e0 \u201cng\u01b0\u1eddi d\u00f9ng\u201d, thay v\u00ec k\u00e9o \u201cd\u1eef li\u1ec7u\u201d tr\u1edf l\u1ea1i trung t\u00e2m t\u00ednh to\u00e1n.<\/p>\n\n\n\n

Th\u1ef1c hi\u1ec7n c\u00f4ng ngh\u1ec7 then ch\u1ed1t c\u1ee7a t\u0103ng t\u1ed1c bi\u00ean<\/h2>\n\n\n\n

Vi\u1ec7c tri\u1ec3n khai c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c t\u1ea1i c\u00e1c \u0111i\u1ec3m cu\u1ed1i (edge acceleration) ph\u1ee5 thu\u1ed9c v\u00e0o s\u1ef1 ph\u1ed1i h\u1ee3p c\u1ee7a nhi\u1ec1u c\u00f4ng ngh\u1ec7 then ch\u1ed1t; nh\u1eefng c\u00f4ng ngh\u1ec7 n\u00e0y c\u00f9ng nhau t\u1ea1o n\u00ean m\u1ed9t \u201cstack\u201d t\u0103ng t\u1ed1c ho\u00e0n ch\u1ec9nh, t\u1eeb m\u1ea1ng l\u01b0\u1edbi t\u1ea1i c\u00e1c \u0111i\u1ec3m cu\u1ed1i \u0111\u1ebfn logic \u1ee9ng d\u1ee5ng.<\/p>\n\n\n\n

M\u1ea1ng l\u01b0\u1edbi r\u00eca (Edge Network) v\u00e0 C\u00e2n b\u1eb1ng t\u1ea3i (Load Balancing)<\/h3>\n\n\n\n

\u0110\u00e2y l\u00e0 l\u1edbp c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng d\u00f9ng cho c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c d\u1eef li\u1ec7u t\u1ea1i c\u00e1c \u0111i\u1ec3m ngo\u1ea1i vi (edge acceleration). C\u00e1c \u0111i\u1ec3m ngo\u1ea1i vi \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 tr\u00ean to\u00e0n c\u1ea7u v\u00e0 k\u1ebft n\u1ed1i v\u1edbi nhau th\u00f4ng qua m\u1ea1ng tr\u1ee5c b\u0103ng th\u00f4ng cao, t\u1ea1o th\u00e0nh m\u1ed9t m\u1ea1ng l\u01b0\u1edbi r\u1ed9ng l\u1edbn. C\u00e1c c\u00f4ng ngh\u1ec7 gi\u1ea3i quy\u1ebft y\u00eau c\u1ea7u ng\u01b0\u1eddi d\u00f9ng m\u1ed9t c\u00e1ch th\u00f4ng minh (nh\u01b0 c\u00f4ng ngh\u1ec7 Anycast) ho\u1eb7c c\u00f4ng ngh\u1ec7 DNS d\u1ef1a tr\u00ean gi\u00e1m s\u00e1t th\u1eddi gian th\u1ef1c gi\u00fap \u0111\u1ecbnh h\u01b0\u1edbng y\u00eau c\u1ea7u \u0111\u1ebfn c\u00e1c \u0111i\u1ec3m truy c\u1eadp g\u1ea7n ng\u01b0\u1eddi d\u00f9ng nh\u1ea5t, v\u1edbi \u0111\u1ed9 tr\u1ec5 th\u1ea5p nh\u1ea5t v\u00e0 kh\u1ea3 n\u0103ng s\u1eb5n s\u00e0ng cao nh\u1ea5t. Tr\u00ean n\u1ec1n t\u1ea3ng n\u00e0y, c\u00e1c b\u1ed9 ph\u00e2n b\u1ed5 t\u1ea3i (load balancers) t\u1ea1i \u0111i\u1ec3m ngo\u1ea1i vi c\u00f3 nhi\u1ec7m v\u1ee5 ph\u00e2n ph\u1ed1i l\u01b0u l\u01b0\u1ee3ng gi\u1eefa c\u00e1c m\u00e1y ch\u1ee7 b\u00ean trong \u0111i\u1ec3m ngo\u1ea1i vi ho\u1eb7c trong c\u00f9ng m\u1ed9t khu v\u1ef1c, \u0111\u1ea3m b\u1ea3o r\u1eb1ng kh\u00f4ng c\u00f3 \u0111i\u1ec3m n\u00e0o b\u1ecb qu\u00e1 t\u1ea3i v\u00e0 c\u00f3 th\u1ec3 x\u1eed l\u00fd \u0111\u01b0\u1ee3c l\u01b0u<\/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

B\u1ed9 nh\u1edb \u0111\u1ec7m bi\u00ean v\u00e0 ph\u00e2n ph\u1ed1i n\u1ed9i dung<\/h3>\n\n\n\n

\u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u0103ng t\u1ed1c hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t hi\u1ec7n nay. B\u1eb1ng c\u00e1ch l\u01b0u tr\u1eef tr\u01b0\u1edbc c\u00e1c t\u00e0i nguy\u00ean t\u0129nh (nh\u01b0 h\u00ecnh \u1ea3nh, video, t\u1ec7p CSS\/JavaScript, g\u00f3i ph\u1ea7n m\u1ec1m) c\u0169ng nh\u01b0 m\u1ed9t s\u1ed1 n\u1ed9i dung \u0111\u1ed9ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef l\u1ea1i, t\u1ea1i c\u00e1c node (n\u00fat) \u1edf kh\u1eafp n\u01a1i tr\u00ean th\u1ebf gi\u1edbi, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 truy c\u1eadp tr\u1ef1c ti\u1ebfp t\u1eeb node g\u1ea7n nh\u1ea5t, gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 kho\u1ea3ng c\u00e1ch truy\u1ec1n t\u1ea3i n\u1ed9i dung. C\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef t\u0129nh hi\u1ec7n \u0111\u1ea1i h\u1ed7 tr\u1ee3 c\u00e1c quy t\u1eafc l\u01b0u tr\u1eef chi ti\u1ebft, kh\u1ea3 n\u0103ng x\u00f3a d\u1eef li\u1ec7u ngay l\u1eadp t\u1ee9c (instant purge), v\u00e0 c\u00e1c giao th\u1ee9c \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef, \u0111\u1ea3m b\u1ea3o ng\u01b0\u1eddi d\u00f9ng v\u1eeba c\u00f3 tr\u1ea3i nghi\u1ec7m truy c\u1eadp nhanh v\u1eeba nh\u1eadn \u0111\u01b0\u1ee3c n\u1ed9i dung m\u1edbi nh\u1ea5t.<\/p>\n\n\n\n

Edge Functions v\u00e0 Th\u1ef1c thi Logic<\/h3>\n\n\n\n

\u0110\u00e2y l\u00e0 b\u01b0\u1edbc ti\u1ebfn quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i t\u1eeb m\u00f4 h\u00ecnh ph\u00e2n ph\u1ed1i n\u1ed9i dung (content distribution) sang m\u00f4 h\u00ecnh ph\u00e2n ph\u1ed1i t\u00ednh to\u00e1n (computing distribution) th\u00f4ng qua c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c t\u1ea1i c\u00e1c \u0111i\u1ec3m cu\u1ed1i (edge acceleration). C\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 Cloudflare Workers v\u00e0 AWS Lambda@Edge cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n tri\u1ec3n khai logic \u1ee9ng d\u1ee5ng nh\u1eb9 nh\u00e0ng tr\u1ef1c ti\u1ebfp tr\u00ean c\u00e1c n\u00fat \u1edf v\u00f9ng bi\u00ean (edge nodes). \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 c\u00e1c thao t\u00e1c nh\u01b0 x\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng, t\u1ed5ng h\u1ee3p y\u00eau c\u1ea7u API, t\u1ea1o n\u1ed9i dung c\u00e1 nh\u00e2n h\u00f3a, v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c th\u1eed nghi\u1ec7m A\/B, v\u1ed1n tr\u01b0\u1edbc \u0111\u00e2y ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean m\u00e1y ch\u1ee7 trung t\u00e2m, gi\u1edd \u0111\u00e2y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ngay t\u1ea1i g\u1ea7n ng\u01b0\u1eddi d\u00f9ng. Vi\u1ec7c n\u00e0y gi\u00fap tr\u00e1nh \u0111\u01b0\u1ee3c nhi\u1ec1u l\u1ea7n truy\u1ec1n d\u1eef li\u1ec7u t\u1eeb ng\u01b0\u1eddi d\u00f9ng \u0111\u1ebfn m\u00e1y ch\u1ee7 trung t\u00e2m r\u1ed3i l\u1ea1i tr\u1edf l\u1ea1i, t\u1eeb \u0111\u00f3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 tr\u1ec5 khi truy c\u1eadp n\u1ed9i dung \u0111\u1ed9ng.<\/p>\n

\u0110\u1ecdc th\u00eam CDN Chi Ti\u1ebft K\u1ef9 Thu\u1eadt: H\u01b0\u1edbng D\u1eabn To\u00e0n Di\u1ec7n \u0110\u1ec3 T\u0103ng T\u1ed1c Truy C\u1eadp Website V\u00e0 N\u00e2ng Cao Tr\u1ea3i Nghi\u1ec7m Ng\u01b0\u1eddi D\u00f9ng<\/a>\u3002<\/p>\n\n\n\n\n

Edge Optimization Protocol and Security<\/h3>\n\n\n\n

\u1ede t\u1ea7ng truy\u1ec1n t\u1ea3i, c\u00e1c gi\u1ea3i ph\u00e1p t\u0103ng t\u1ed1c hi\u1ec7u n\u0103ng tr\u00ean n\u1ec1n t\u1ea3ng edge (edge acceleration) th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c phi\u00ean b\u1ea3n \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a c\u1ee7a c\u00e1c giao th\u1ee9c nh\u01b0 TCP, QUIC, nh\u1eb1m gi\u1ea3m th\u1eddi gian thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 truy\u1ec1n d\u1eef li\u1ec7u trong m\u00f4i tr\u01b0\u1eddng m\u1ea1ng y\u1ebfu. \u0110\u1ed3ng th\u1eddi, c\u00e1c t\u00ednh n\u0103ng b\u1ea3o m\u1eadt c\u0169ng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p tr\u1ef1c ti\u1ebfp v\u00e0o c\u00e1c n\u00fat edge. C\u00e1c b\u1ed9 l\u1ecdc ph\u00f2ng ch\u1ed1ng t\u1ea5n c\u00f4ng web (Web Application Firewalls) v\u00e0 c\u00f4ng c\u1ee5 gi\u1ea3m b\u1edbt l\u01b0u l\u01b0\u1ee3ng DDoS (DDoS mitigation) c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n c\u00e1c l\u01b0u l\u01b0\u1ee3ng \u0111\u1ed9c h\u1ea1i ngay t\u1ea1i c\u00e1c n\u00fat edge; vi\u1ec7c k\u1ebft th\u00fac qu\u00e1 tr\u00ecnh m\u00e3 h\u00f3a v\u00e0 gi\u1ea3i m\u00e3 d\u1eef li\u1ec7u b\u1eb1ng giao th\u1ee9c SSL\/TLS c\u0169ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ea1i \u0111\u00e2y. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap gi\u1ea3m b\u1edbt \u00e1p l\u1ef1c l\u00ean m\u00e1y ch\u1ee7 ngu\u1ed3n m\u00e0 c<\/p>\n\n\n\n

L\u1ee3i \u00edch v\u1ec1 hi\u1ec7u su\u1ea5t c\u1ed1t l\u00f5i m\u00e0 c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c \u1edf r\u00eca (edge acceleration) mang l\u1ea1i<\/h2>\n\n\n\n

Vi\u1ec7c tri\u1ec3n khai c\u1ea5u tr\u00fac t\u0103ng t\u1ed1c \u1edf c\u1ea5p \u0111\u1ed9 bi\u00ean (edge acceleration) c\u00f3 th\u1ec3 mang l\u1ea1i nhi\u1ec1u c\u1ea3i thi\u1ec7n v\u1ec1 hi\u1ec7u n\u0103ng c\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng v\u00e0 nh\u1eadn th\u1ea5y \u0111\u01b0\u1ee3c cho c\u00e1c \u1ee9ng d\u1ee5ng, nh\u1eefng c\u1ea3i thi\u1ec7n n\u00e0y \u0111\u01b0\u1ee3c chuy\u1ec3n h\u00f3a tr\u1ef1c ti\u1ebfp th\u00e0nh c\u00e1c ch\u1ec9 s\u1ed1 kinh doanh t\u1ed1t h\u01a1n.<\/p>\n\n\n\n

L\u1ee3i \u00edch n\u1ed5i b\u1eadt nh\u1ea5t l\u00e0 vi\u1ec7c gi\u1ea3m \u0111\u00e1ng k\u1ec3 th\u1eddi gian ch\u1edd \u0111\u1ee3i (\u0111\u1ed9 tr\u1ec5). \u0110\u1ed1i v\u1edbi vi\u1ec7c t\u1ea3i trang web ho\u1eb7c g\u1ecdi API, m\u1ed7i s\u1ef1 gia t\u0103ng 100 mili gi\u00e2y trong th\u1eddi gian ch\u1edd \u0111\u1ee3i c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 gi\u1ea3m \u0111\u00e1ng k\u1ec3 v\u1ec1 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\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c ngo\u1ea1i vi (edge acceleration) gi\u00fap gi\u1ea3m th\u1eddi gian truy c\u1eadp c\u1ee7a ng\u01b0\u1eddi d\u00f9ng tr\u00ean to\u00e0n th\u1ebf gi\u1edbi xu\u1ed1ng t\u1eeb 30% \u0111\u1ebfn 70%, ho\u1eb7c th\u1eadm ch\u00ed nhi\u1ec1u h\u01a1n, b\u1eb1ng c\u00e1ch \u0111\u1eb7t c\u00e1c \u0111i\u1ec3m cu\u1ed1i d\u1ecbch v\u1ee5 (server endpoints) c\u00e1ch ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 v\u00e0i ch\u1ee5c mili gi\u00e2y v\u1ec1 m\u1eb7t m\u1ea1ng. V\u00ed d\u1ee5, m\u1ed9t ng\u01b0\u1eddi d\u00f9ng \u1edf ch\u00e2u \u00c1 truy c\u1eadp m\u1ed9t \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean m\u00e1y ch\u1ee7 \u1edf B\u1eafc M\u1ef9 c\u00f3 th\u1ec3 ph\u1ea3i ch\u1edd \u0111\u1ee3i h\u01a1n 200 mili gi\u00e2y; tuy nhi\u00ean, n\u1ebfu \u0111\u01b0\u1ee3c \u0111\u1ecbnh tuy\u1ebfn qua c\u00e1c \u0111i\u1ec3m n\u00fat \u1edf Tokyo ho\u1eb7c Singapore th\u00f4ng qua c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c ngo\u1ea1i vi, th\u1eddi gian ch\u1edd \u0111\u1ee3i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3m xu\u1ed1ng c\u00f2n d\u01b0\u1edbi 50 mili gi\u00e2y.<\/p>\n\n\n\n

Th\u1ee9 hai, n\u00f3 gi\u00fap t\u0103ng \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a \u1ee9ng d\u1ee5ng. Khi g\u1eb7p ph\u1ea3i c\u00e1c s\u1ef1 ki\u1ec7n n\u00f3ng b\u1ecfng b\u1ea5t ng\u1edd ho\u1eb7c t\u1ea5n c\u00f4ng l\u01b0u l\u01b0\u1ee3ng, c\u00e1c m\u00e1y ch\u1ee7 ngu\u1ed3n t\u1eadp trung r\u1ea5t d\u1ec5 tr\u1edf th\u00e0nh \u0111i\u1ec3m ngh\u1ebdn ho\u1eb7c b\u1ecb h\u1ecfng. C\u1ea5u tr\u00fac t\u0103ng t\u1ed1c \u1edf periphery (bi\u00ean gi\u1edbi) c\u00f3 t\u00ednh ch\u1ea5t ph\u00e2n t\u00e1n t\u1ef1 nhi\u00ean; l\u01b0\u1ee3ng l\u01b0u l\u01b0\u1ee3ng kh\u1ed5ng l\u1ed3 \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5 v\u00e0 x\u1eed l\u00fd b\u1edfi h\u00e0ng ngh\u00ecn node \u1edf kh\u1eafp n\u01a1i tr\u00ean th\u1ebf gi\u1edbi. M\u1ed7i node ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng l\u01b0u tr\u1eef d\u1eef li\u1ec7u (cache), v\u00ec v\u1eady ngay c\u1ea3 khi m\u1ed9t node g\u1eb7p s\u1ef1 c\u1ed1 ho\u1eb7c m\u00e1y ch\u1ee7 ngu\u1ed3n t\u1ea1m th\u1eddi kh\u00f4ng th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c, ng\u01b0\u1eddi d\u00f9ng v\u1eabn c\u00f3 th\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c d\u1ecbch v\u1ee5 t\u1eeb c\u00e1c node kh\u00e1c ho\u1eb7c t\u1eeb b\u1ed9 nh\u1edb \u0111\u1ec7m, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 s\u1eb5n s\u00e0ng cao cho ho\u1ea1t \u0111\u1ed9ng kinh doanh.<\/p>\n\n\n\n

M\u1ed9t l\u1ea7n n\u1eefa, gi\u1ea3i ph\u00e1p n\u00e0y mang l\u1ea1i s\u1ef1 b\u1ea3o v\u1ec7 m\u1ea1nh m\u1ebd v\u00e0 gi\u1ea3m b\u1edbt g\u00e1nh n\u1eb7ng cho c\u00e1c m\u00e1y ch\u1ee7 ngu\u1ed3n. R\u1ea5t nhi\u1ec1u y\u00eau c\u1ea7u v\u1ec1 t\u00e0i nguy\u00ean t\u0129nh, c\u00e1c truy v\u1ea5n API \u0111\u01a1n gi\u1ea3n, v\u00e0 th\u1eadm ch\u00ed m\u1ed9t s\u1ed1 logic t\u00ednh to\u00e1n c\u0169ng \u0111\u01b0\u1ee3c c\u00e1c n\u00fat bi\u00ean (edge nodes) ch\u1eb7n l\u1ea1i v\u00e0 x\u1eed l\u00fd tr\u1ef1c ti\u1ebfp. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m l\u01b0\u1ee3ng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp ngu\u1ed3n, ti\u1ebft ki\u1ec7m b\u0103ng th\u00f4ng, v\u00e0 gi\u1ea3m \u00e1p l\u1ef1c t\u00ednh to\u00e1n cho m\u00e1y ch\u1ee7 trung t\u00e2m, cho ph\u00e9p c\u00e1c doanh nghi\u1ec7p s\u1eed d\u1ee5ng ngu\u1ed3n l\u1ef1c c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng hi\u1ec7u qu\u1ea3 h\u01a1n \u0111\u1ec3 h\u1ed7 tr\u1ee3 m\u1ed9t quy m\u00f4 ng\u01b0\u1eddi d\u00f9ng l\u1edbn h\u01a1n. \u0110\u1ed3ng th\u1eddi, h\u1ec7 th\u1ed1ng b\u1ea3o m\u1eadt c\u1ee7a c\u00e1c n\u00fat bi\u00ean ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t \u201c\u00e1o gi\u00e1p ph\u00e2n t\u00e1n\u201d, ng\u0103n ch\u1eb7n c\u00e1c l\u01b0u l\u01b0\u1ee3ng x\u1ea5u tr\u01b0\u1edbc khi ch\u00fang \u0111\u1ebfn \u0111\u01b0\u1ee3c m\u00e1y ch\u1ee7 ngu\u1ed3n.<\/p>\n\n\n\n

Cu\u1ed1i c\u00f9ng, n\u00f3 n\u00e2ng cao kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng m\u1edbi. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng t\u01b0\u01a1ng t\u00e1c theo th\u1eddi gian th\u1ef1c (nh\u01b0 tr\u00f2 ch\u01a1i tr\u1ef1c tuy\u1ebfn, h\u1ed9i ngh\u1ecb video), Internet of Things (v\u1edbi l\u01b0\u1ee3ng l\u1edbn thi\u1ebft b\u1ecb g\u1eedi d\u1eef li\u1ec7u th\u01b0\u1eddng xuy\u00ean), v\u00e0 th\u1ef1c t\u1ebf t\u0103ng c\u01b0\u1eddng\/th\u1ef1c t\u1ebf \u1ea3o (y\u00eau c\u1ea7u t\u1ed1c \u0111\u1ed9 l\u00e0m m\u1edbi cao v\u00e0 \u0111\u1ed9 tr\u1ec5 th\u1ea5p), t\u0103ng t\u1ed1c d\u1eef li\u1ec7u t\u1ea1i \u0111i\u1ec3m cu\u1ed1i (edge acceleration) g\u1ea7n nh\u01b0 l\u00e0 m\u1ed9t c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng kh\u00f4ng th\u1ec3 thi\u1ebfu. N\u00f3 cho ph\u00e9p x\u1eed l\u00fd d\u1eef li\u1ec7u ngay g\u1ea7n thi\u1ebft b\u1ecb, \u0111\u00e1p \u1ee9ng nh\u1eefng y\u00eau c\u1ea7u kh\u1eaft khe v\u1ec1 t\u00ednh th\u1eddi gian th\u1ef1c trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p n\u00e0y.<\/p>\n\n\n\n

Chi\u1ebfn l\u01b0\u1ee3c v\u00e0 c\u00e1c b\u01b0\u1edbc tri\u1ec3n khai c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c hi\u1ec7u n\u0103ng tr\u00ean c\u00e1c thi\u1ebft b\u1ecb ngo\u1ea1i vi (edge acceleration)<\/h2>\n\n\n\n

Vi\u1ec7c tri\u1ec3n khai th\u00e0nh c\u00f4ng c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c tr\u00ean c\u00e1c thi\u1ebft b\u1ecb ngo\u1ea1i vi (edge acceleration) kh\u00f4ng \u0111\u01a1n gi\u1ea3n ch\u1ec9 l\u00e0 b\u1eadt m\u1ed9t c\u00f4ng t\u1eafc; \u0111\u00f2i h\u1ecfi s\u1ef1 l\u1eadp k\u1ebf ho\u1ea1ch k\u1ef9 l\u01b0\u1ee1ng v\u00e0 s\u1ef1 \u0111i\u1ec1u ch\u1ec9nh c\u1ea5u tr\u00fac h\u1ec7 th\u1ed1ng m\u1ed9t c\u00e1ch ph\u00f9 h\u1ee3p. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t h\u01b0\u1edbng d\u1eabn th\u1ef1c hi\u1ec7n kh\u1ea3 thi.<\/p>\n\n\n\n

B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean l\u00e0 ti\u1ebfn h\u00e0nh ph\u00e2n t\u00edch to\u00e0n di\u1ec7n v\u00e0 t\u00e1ch r\u1eddi c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u th\u00e0nh \u1ee9ng d\u1ee5ng. \u0110\u1ed9i ng\u0169 ph\u00e1t tri\u1ec3n c\u1ea7n ph\u00e2n lo\u1ea1i chi ti\u1ebft t\u1ea5t c\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a \u1ee9ng d\u1ee5ng, x\u00e1c \u0111\u1ecbnh r\u00f5 nh\u1eefng n\u1ed9i dung ho\u00e0n to\u00e0n t\u0129nh (kh\u00f4ng thay \u0111\u1ed5i), nh\u1eefng n\u1ed9i dung c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong b\u1ed9 nh\u1edb \u0111\u1ec7m (nh\u01b0 trang chi ti\u1ebft s\u1ea3n ph\u1ea9m, b\u00e0i vi\u1ebft tin t\u1ee9c), v\u00e0 nh\u1eefng y\u00eau c\u1ea7u \u0111\u1ed9ng c\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd tr\u1ef1c ti\u1ebfp t\u1eeb ngu\u1ed3n d\u1eef li\u1ec7u (nh\u01b0 giao d\u1ecbch thanh to\u00e1n, c\u1eadp nh\u1eadt h\u00e0ng t\u1ed3n kho theo th\u1eddi gian th\u1ef1c). \u0110\u1ed3ng th\u1eddi, c\u1ea7n nh\u1eadn di\u1ec7n nh\u1eefng logic kinh doanh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chuy\u1ec3n sang x\u1eed l\u00fd t\u1ea1i c\u00e1c \u0111i\u1ec3m ph\u00e2n ph\u1ed1i d\u1eef li\u1ec7u (edge servers). Qu\u00e1 tr\u00ecnh n\u00e0y v\u1ec1 b\u1ea3n ch\u1ea5t l\u00e0 chuy\u1ec3n \u0111\u1ed5i c\u1ea5u tr\u00fac \u1ee9ng d\u1ee5ng t\u1eeb ki\u1ec3u \u201ckh\u1ed1i l\u1edbn, kh\u00f4ng linh ho\u1ea1t\u201d sang ki\u1ec3u m\u00f4-\u0111un h\u00f3a, ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi m\u00f4i tr\u01b0\u1eddng tri\u1ec3n khai ph\u00e2n t\u00e1n.<\/p>\n

\u0110\u1ecdc th\u00eam Ph\u00e2n t\u00edch s\u00e2u v\u1ec1 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a CDN: T\u1ea1i sao n\u00f3 l\u00e0 \u0111\u1ed9ng c\u01a1 t\u0103ng t\u1ed1c cho website hi\u1ec7n \u0111\u1ea1i<\/a>\u3002<\/p>\n\n\n\n\n

B\u01b0\u1edbc th\u1ee9 hai l\u00e0 l\u1ef1a ch\u1ecdn d\u1ecbch v\u1ee5 v\u00e0 nh\u00e0 cung c\u1ea5p t\u0103ng t\u1ed1c t\u1ea1i c\u00e1c \u0111i\u1ec3m cu\u1ed1i (edge acceleration) ph\u00f9 h\u1ee3p. Tr\u00ean th\u1ecb tr\u01b0\u1eddng, c\u00f3 nhi\u1ec1u l\u1ef1a ch\u1ecdn kh\u00e1c nhau, t\u1eeb c\u00e1c d\u1ecbch v\u1ee5 m\u1ea1ng t\u1ea1i \u0111i\u1ec3m cu\u1ed1i (edge network as a service), m\u1ea1ng ph\u00e2n ph\u1ed1i n\u1ed9i dung (content distribution network) \u0111\u1ebfn c\u00e1c n\u1ec1n t\u1ea3ng t\u00ednh to\u00e1n t\u1ea1i \u0111i\u1ec3m cu\u1ed1i ho\u00e0n ch\u1ec9nh (complete edge computing platforms). C\u00e1c doanh nghi\u1ec7p c\u1ea7n \u0111\u00e1nh gi\u00e1 d\u1ef1a tr\u00ean n\u1ec1n t\u1ea3ng c\u00f4ng ngh\u1ec7 c\u1ee7a m\u00ecnh, ph\u00e2n b\u1ed1 ng\u01b0\u1eddi d\u00f9ng tr\u00ean to\u00e0n c\u1ea7u, y\u00eau c\u1ea7u v\u1ec1 hi\u1ec7u su\u1ea5t, nhu c\u1ea7u v\u1ec1 b\u1ea3o m\u1eadt v\u00e0 tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh, c\u0169ng nh\u01b0 ng\u00e2n s\u00e1ch. C\u00e1c y\u1ebfu t\u1ed1 quan tr\u1ecdng c\u1ea7n xem x\u00e9t bao g\u1ed3m m\u1eadt \u0111\u1ed9 ph\u1ee7 s\u00f3ng c\u00e1c node to\u00e0n c\u1ea7u c\u1ee7a nh\u00e0 cung c\u1ea5p, t\u00ednh d\u1ec5 s\u1eed d\u1ee5ng c\u1ee7a API v\u00e0 c\u00f4ng c\u1ee5 ph\u00e1t tri\u1ec3n, kh\u1ea3 n\u0103ng t\u00edch h\u1ee3p v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y hi\u1ec7n c\u00f3, v\u00e0 m<\/p>\n\n\n\n

B\u01b0\u1edbc th\u1ee9 ba l\u00e0 ti\u1ebfn h\u00e0nh tri\u1ec3n khai v\u00e0 di chuy\u1ec3n d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch t\u1eebng b\u01b0\u1edbc, t\u1eebng giai \u0111o\u1ea1n. Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng n\u00ean chuy\u1ec3n to\u00e0n b\u1ed9 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp sang h\u1ec7 th\u1ed1ng edge (h\u1ec7 th\u1ed1ng x\u1eed l\u00fd d\u1eef li\u1ec7u \u1edf g\u1ea7n ng\u01b0\u1eddi d\u00f9ng) c\u00f9ng m\u1ed9t l\u00fac. Th\u00f4ng th\u01b0\u1eddng, b\u1ea1n n\u00ean b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c t\u0103ng t\u1ed1c \u0111\u1ed9 truy c\u1eadp v\u00e0o c\u00e1c t\u00e0i nguy\u00ean t\u0129nh (nh\u01b0 h\u00ecnh \u1ea3nh, b\u1ea3ng \u0111\u1ecbnh d\u1ea1ng), s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 CDN (Content Delivery Network) \u2013 \u0111\u00e2y l\u00e0 b\u01b0\u1edbc c\u00f3 r\u1ee7i ro th\u1ea5p nh\u1ea5t v\u00e0 mang l\u1ea1i l\u1ee3i \u00edch r\u00f5 r\u1ec7t nh\u1ea5t. Sau \u0111\u00f3, t\u1eeb t\u1eeb \u00e1p d\u1ee5ng c\u00e1c quy t\u1eafc l\u01b0u tr\u1eef d\u1eef li\u1ec7u t\u1ea1m th\u1eddi (cache) \u0111\u1ec3 x\u1eed l\u00fd m\u1ed9t s\u1ed1 trang web \u0111\u1ed9ng. Ti\u1ebfp theo, h\u00e3y th\u1eed t\u00e1i c\u1ea5u tr\u00fac v\u00e0 tri\u1ec3n khai m\u1ed9t s\u1ed1 \u0111i\u1ec3m cu\u1ed1i API (API endpoints) ho\u1eb7c logic hi\u1ec3n th\u1ecb (rendering logic) \u0111\u01a1n gi\u1ea3n, kh\u00f4ng y\u00eau c\u1ea7u d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong h\u1ec7 th\u1ed1ng. M\u1ed7i b\u01b0\u1edbc c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m th\u1eed k\u1ef9 l\u01b0\u1ee1ng, theo d\u00f5i c\u00e1c ch\u1ec9 s\u1ed1 hi\u1ec7u n\u0103ng (nh\u01b0 th\u1eddi gian t\u1ea3i trang \u0111\u1ea7u ti\u00ean, th\u1eddi gian t\u1ea3i \u0111\u1ea7y \u0111\u1ee7, t\u1ef7 l\u1ec7 l\u1ed7i) c\u0169ng nh\u01b0 c\u00e1c ch\u1ec9 s\u1ed1 kinh doanh (nh\u01b0 t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i, th\u1eddi gian ng\u01b0\u1eddi d\u00f9ng \u1edf trang web), v\u00e0 so s\u00e1nh ch\u00fa<\/p>\n\n\n\n

B\u01b0\u1edbc th\u1ee9 t\u01b0 l\u00e0 thi\u1ebft l\u1eadp m\u1ed9t c\u01a1 ch\u1ebf gi\u00e1m s\u00e1t v\u00e0 t\u1ed1i \u01b0u h\u00f3a li\u00ean t\u1ee5c. C\u1ea5u tr\u00fac edge (m\u1ea1ng l\u01b0\u1edbi ph\u00e2n t\u00e1n) c\u00f3 t\u00ednh ch\u1ea5t ph\u00e2n t\u00e1n, do \u0111\u00f3 vi\u1ec7c gi\u00e1m s\u00e1t tr\u1edf n\u00ean c\u1ef1c k\u1ef3 quan tr\u1ecdng. C\u1ea7n s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 \u0111\u1ec3 theo d\u00f5i t\u00ecnh tr\u1ea1ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c n\u00fat edge tr\u00ean to\u00e0n c\u1ea7u, t\u1ef7 l\u1ec7 truy c\u1eadp v\u00e0o b\u1ed9 \u0111\u1ec7m (cache hit rate), th\u1eddi gian x\u1eed l\u00fd y\u00eau c\u1ea7u (request processing latency) v\u00e0 c\u00e1c l\u1ed7i x\u1ea3y ra. D\u1ef1a tr\u00ean nh\u1eefng d\u1eef li\u1ec7u n\u00e0y, c\u1ea7n li\u00ean t\u1ee5c \u0111i\u1ec1u ch\u1ec9nh chi\u1ebfn l\u01b0\u1ee3c l\u01b0u tr\u1eef b\u1ed9 \u0111\u1ec7m, logic c\u1ee7a c\u00e1c h\u00e0m edge (edge functions) v\u00e0 quy t\u1eafc ph\u00e2n b\u1ed5 l\u01b0u l\u01b0\u1ee3ng (traffic scheduling rules). C\u00e1c ch\u00ednh s\u00e1ch b\u1ea3o m\u1eadt (security policies) v\u00e0 c\u1ea5u h\u00ecnh tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh (compliance configurations) c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m to\u00e1n v\u00e0 c\u1eadp nh\u1eadt \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 ph\u00f9 h\u1ee3<\/p>\n\n\n\n

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

T\u0103ng t\u1ed1c t\u1ea1i c\u00e1c \u0111i\u1ec3m bi\u00ean (edge acceleration) \u0111\u1ea1i di\u1ec7n cho m\u1ed9t h\u01b0\u1edbng ph\u00e1t tri\u1ec3n quan tr\u1ecdng trong ki\u1ebfn tr\u00fac \u1ee9ng d\u1ee5ng hi\u1ec7n \u0111\u1ea1i. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y gi\u00fap \u0111\u01b0a c\u00e1c ho\u1ea1t \u0111\u1ed9ng t\u00ednh to\u00e1n v\u00e0 n\u1ed9i dung \u0111\u1ebfn g\u1ea7n ng\u01b0\u1eddi d\u00f9ng h\u01a1n, t\u1eeb \u0111\u00f3 gi\u1ea3i quy\u1ebft tri\u1ec7t \u0111\u1ec3 c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u n\u0103ng v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng do kho\u1ea3ng c\u00e1ch v\u1eadt l\u00fd c\u0169ng nh\u01b0 nh\u1eefng h\u1ea1n ch\u1ebf li\u00ean quan \u0111\u1ebfn vi\u1ec7c trung t\u00e2m h\u00f3a d\u1eef li\u1ec7u. T\u1eeb c\u00e1c m\u1ea1ng ph\u00e2n t\u00e1n \u1edf t\u1ea7ng c\u01a1 b\u1ea3n, c\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef d\u1eef li\u1ec7u th\u00f4ng minh (cache), cho \u0111\u1ebfn c\u00e1c c\u00f4ng ngh\u1ec7 t\u00ednh to\u00e1n t\u1ea1i c\u00e1c \u0111i\u1ec3m bi\u00ean (edge computing), m\u1ed9t lo\u1ea1t c\u00e1c c\u00f4ng ngh\u1ec7 n\u00e0y c\u00f9ng nhau t\u1ea1o n\u00ean m\u1ed9t h\u1ec7 th\u1ed1ng t<\/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) kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0m t\u0103ng c\u00e1c ch\u1ec9 s\u1ed1 k\u1ef9 thu\u1eadt \u2013 nh\u01b0 \u0111\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n, kh\u1ea3 n\u0103ng s\u1eb5n s\u00e0ng cao h\u01a1n, t\u00ednh m\u1edf r\u1ed9ng t\u1ed1t h\u01a1n \u2013 m\u00e0 c\u00f2n c\u00f3 m\u1ed1i li\u00ean h\u1ec7 tr\u1ef1c ti\u1ebfp \u0111\u1ebfn vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c m\u1ee5c ti\u00eau kinh doanh c\u1ed1t l\u00f5i: n\u00e2ng cao m\u1ee9c \u0111\u1ed9 h\u00e0i l\u00f2ng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, t\u0103ng t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i, gi\u1ea3m chi ph\u00ed v\u1eadn h\u00e0nh v\u00e0 b\u1ea3o v\u1ec7 an ninh cho doanh nghi\u1ec7p. M\u1eb7c d\u00f9 vi\u1ec7c tri\u1ec3n khai n\u00e0y \u0111\u00f2i h\u1ecfi thi\u1ebft k\u1ebf ki\u1ebfn tr\u00fac t\u1ec9 m\u1ec9, c\u1ea3i t\u1ea1o \u1ee9ng d\u1ee5ng v\u00e0 b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean, nh\u01b0ng trong b\u1ed1i c\u1ea3nh tr\u1ea3i nghi\u1ec7m s\u1ed1 h\u00f3a ng\u00e0y c\u00e0ng tr\u1edf n\u00ean quan tr\u1ecdng, vi\u1ec7c \u0111\u1ea7u t\u01b0 v\u00e0o c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c d\u1eef li\u1ec7u t\u1ea1i c\u00e1c \u0111i\u1ec3m cu\u1ed1i \u0111\u00e3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ec3 x\u00e2y d\u1ef1ng nh\u1eefng \u1ee9ng d\u1ee5ng c\u00f3 hi\u1ec7u su\u1ea5t cao v\u00e0 c\u1ea1nh tranh m\u1ea1nh m\u1ebd. Trong t\u01b0\u01a1ng lai, v\u1edbi s\u1ef1 ph\u1ed5 bi\u1ebfn r\u1ed9ng r\u00e3i c\u1ee7a c\u00f4ng ngh\u1ec7 5G v\u00e0 Internet of Things (IoT), c\u00f4ng ngh\u1ec7 n\u00e0y s\u1ebd d\u1ea7n t\u1eeb m\u1ed9t c\u00f4ng c\u1ee5 t\u1ed1i \u01b0u h\u00f3a chuy\u1ec3n th\u00e0nh ti\u00eau chu\u1ea9n c\u01a1 b\u1ea3n, th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a th\u1ebf h\u1ec7 \u1ee9ng d\u1ee5ng Internet th\u1eddi gian th\u1ef1c v\u00e0 mang t\u00ednh tr\u1ea3i nghi\u1ec7<\/p>\n

\u0110\u1ecdc th\u00eam CDN l\u00e0 g\u00ec? T\u1eeb Nguy\u00ean l\u00fd \u0111\u1ebfn Th\u1ef1c chi\u1ebfn, T\u0103ng t\u1ed1c to\u00e0n di\u1ec7n tr\u1ea3i nghi\u1ec7m truy c\u1eadp website c\u1ee7a b\u1ea1n<\/a>\u3002<\/p>\n\n\n\n\n

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

T\u0103ng t\u1ed1c bi\u00ean v\u00e0 CDN truy\u1ec1n th\u1ed1ng kh\u00e1c nhau 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 t\u1eadp trung ch\u1ee7 y\u1ebfu v\u00e0o vi\u1ec7c l\u01b0u tr\u1eef v\u00e0 ph\u00e2n ph\u1ed1i n\u1ed9i dung t\u0129nh c\u0169ng nh\u01b0 n\u1ed9i dung truy\u1ec1n ph\u00e1t tr\u1ef1c tuy\u1ebfn (streaming media), v\u1edbi hai kh\u1ea3 n\u0103ng c\u1ed1t l\u00f5i l\u00e0 t\u0103ng t\u1ed1c qu\u00e1 tr\u00ecnh truy c\u1eadp n\u1ed9i dung nh\u1edd v\u00e0o vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9 nh\u1edb \u0111\u1ec7m (cache) v\u00e0 \u0111\u1ea3m<\/p>\n\n\n\n

\u201cEdge Acceleration\u201d (T\u0103ng t\u1ed1c \u1edf c\u1ea5p \u0111\u1ed9 bi\u00ean) 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, nh\u01b0ng c\u00f2n \u0111i xa h\u01a1n n\u1eefa b\u1eb1ng c\u00e1ch cho ph\u00e9p th\u1ef1c thi c\u00e1c logic \u1ee9ng d\u1ee5ng t\u00f9y ch\u1ec9nh tr\u00ean c\u00e1c n\u00fat bi\u00ean (th\u00f4ng qua c\u00e1c \u201cedge functions\u201d), x\u1eed l\u00fd c\u00e1c y\u00eau c\u1ea7u \u0111\u1ed9ng, th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c x\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng, chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u, v.v. C\u00f3 th\u1ec3 n\u00f3i r\u1eb1ng Edge Acceleration ch\u00ednh l\u00e0 s\u1ef1 ti\u1ebfn h\u00f3a th\u00f4ng minh v\u00e0 c\u00f3 th\u1ec3 l\u1eadp tr\u00ecnh h\u00f3a c\u1ee7a CDN, t\u1eeb m\u1ed9t \u201cm\u1ea1ng l\u01b0\u1edbi ph\u00e2n ph\u1ed1i n\u1ed9i dung\u201d (content delivery network) tr\u1edf th\u00e0nh m\u1ed9t \u201cm\u1ea1ng l\u01b0\u1edbi t\u00ednh to\u00e1n\u201d (computing network).<\/p>\n\n\n\n

T\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i \u1ee9ng d\u1ee5ng \u0111\u1ec1u ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c hi\u1ec7u n\u0103ng (edge acceleration) sao?<\/h3>\n\n\n\n

Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c l\u1ee3i \u00edch nh\u01b0 nhau ho\u1eb7c ph\u00f9 h\u1ee3p \u0111\u1ec3 \u0111\u01b0\u1ee3c di chuy\u1ec3n tr\u1ef1c ti\u1ebfp. Nh\u1eefng trang web ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng n\u1ed9i dung t\u0129nh, c\u00e1c doanh nghi\u1ec7p th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed, v\u00e0 c\u00e1c n\u1ec1n t\u1ea3ng truy\u1ec1n th\u00f4ng l\u00e0 nh\u1eefng \u0111\u1ed1i t\u01b0\u1ee3ng h\u01b0\u1edfng l\u1ee3i nhi\u1ec1u nh\u1ea5t t\u1eeb vi<\/p>\n\n\n\n

C\u00e1c \u1ee9ng d\u1ee5ng ph\u1ee5 thu\u1ed9c n\u1eb7ng n\u1ec1 v\u00e0o t\u00ednh nh\u1ea5t qu\u00e1n cao c\u1ee7a c\u00e1c giao d\u1ecbch trong c\u01a1 s\u1edf d\u1eef li\u1ec7u t\u1eadp trung (ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c giao d\u1ecbch ng\u00e2n h\u00e0ng c\u1ed1t l\u00f5i), ho\u1eb7c nh\u1eefng \u1ee9ng d\u1ee5ng c\u1ea7n truy c\u1eadp v\u00e0o c\u00e1c kho d\u1eef li\u1ec7u l\u1edbn, t\u1eadp trung \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e2n t\u00edch ph\u1ee9c t\u1ea1p, c\u00f3 th\u1ec3 g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c di chuy\u1ec3n logic c\u1ed1t l\u00f5i c\u1ee7a m\u00ecnh sang c\u00e1c n\u00fat c\u1ea1nh (edge nodes). Tuy nhi\u00ean, ngay c\u1ea3 \u0111\u1ed1i v\u1edbi nh\u1eefng \u1ee9ng d\u1ee5ng n\u00e0y, c\u00e1c ph\u1ea7n nh\u01b0 trang \u0111\u0103ng nh\u1eadp, t\u00e0i nguy\u00ean t\u0129nh, danh m\u1ee5c s\u1ea3n ph\u1ea9m v.v. v\u1eabn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a \u0111\u00e1ng k\u1ec3 \u0111\u1ec3 c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng nh\u1edd<\/p>\n\n\n\n

Khi th\u1ef1c hi\u1ec7n c\u00e1c l\u1ec7nh logic \u1edf ph\u00eda b\u00ean ngo\u00e0i h\u1ec7 th\u1ed1ng (t\u1ee9c l\u00e0 \u1edf \u201cph\u00eda bi\u00ean\u201d), l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an ninh v\u00e0 t\u00ednh nh\u1ea5t qu\u00e1n d\u1eef li\u1ec7u?<\/h3>\n\n\n\n

V\u1ec1 m\u1eb7t an ninh, c\u00e1c n\u1ec1n t\u1ea3ng t\u00ednh to\u00e1n t\u1ea1i r\u00eca (edge computing) ph\u1ed5 bi\u1ebfn cung c\u1ea5p m\u00f4i tr\u01b0\u1eddng th\u1ef1c thi \u0111\u01b0\u1ee3c c\u00e1ch ly v\u00e0 an to\u00e0n, c\u00f9ng v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 b\u1ea3o v\u1ec7 nh\u01b0 WAF (Web Application Firewall) v\u00e0 DDoS (Denial of Service) \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 c\u1ea7n thi\u1ebft k\u1ebf c\u00e1c logic x\u1eed l\u00fd d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m (ch\u1eb3ng h\u1ea1n nh\u01b0 x\u00e1c th\u1ef1c th\u00f4ng tin ng\u01b0\u1eddi d\u00f9ng \u0111\u1ea7y \u0111\u1ee7) sao cho ch\u00fang v\u1eabn ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean m\u00e1y ch\u1ee7 g\u1ed1c ho\u1eb7c trong m\u00f4i tr\u01b0\u1eddng an to\u00e0n h\u01a1n; ph\u1ea7n c\u1ee9ng t\u1ea1i r\u00eca ch\u1ec9 \u0111\u1ea3m nh\u1eadn c\u00e1c nhi\u1ec7m v\u1ee5 b\u1ea3o m\u1eadt nh\u1eb9 nh\u01b0 x\u00e1c<\/p>\n\n\n\n

Th\u00e1ch th\u1ee9c v\u1ec1 t\u00ednh nh\u1ea5t qu\u00e1n d\u1eef li\u1ec7u ch\u1ee7 y\u1ebfu xu\u1ea5t hi\u1ec7n \u1edf d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong b\u1ed9 \u0111\u1ec7m (cache). B\u1eb1ng c\u00e1ch thi\u1ebft l\u1eadp th\u1eddi gian h\u1ebft h\u1ea1n b\u1ed9 \u0111\u1ec7m h\u1ee3p l\u00fd, s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng th\u1ee9c x\u00f3a d\u1eef li\u1ec7u t\u1ef1 \u0111\u1ed9ng d\u1ef1a tr\u00ean s\u1ef1 ki\u1ec7n (v\u00ed d\u1ee5: ngay l\u1eadp t\u1ee9c x\u00f3a c\u00e1c b\u1ed9 \u0111\u1ec7m c\u1ee5c b\u1ed9 khi n\u1ed9i dung n\u1ec1n \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt), v\u00e0 tri\u1ec3n khai c\u00e1c API c\u00f3 h\u1ed7 tr\u1ee3 qu\u1ea3n l\u00fd phi\u00ean b\u1ea3n (versioning APIs), ch\u00fang ta c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd t\u1ed1t t\u00ednh nh\u1ea5t qu\u00e1n d\u1eef li\u1ec7u. \u0110\u1ed1i v\u1edbi nh\u1eefng d\u1eef li\u1ec7u quan tr\u1ecdng c\u1ea7n t\u00ednh nh\u1ea5t qu\u00e1n cao, c\u00e1c y\u00eau c\u1ea7u v\u1eabn ph\u1ea3i \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn c\u01a1 s\u1edf d\u1eef li\u1ec7u trung t\u00e2m.<\/p>\n\n\n\n

Vi\u1ec7c tri\u1ec3n khai c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c hi\u1ec7u n\u0103ng tr\u00ean c\u00e1c thi\u1ebft b\u1ecb \u201cr\u00eca\u201d (edge devices) c\u00f3 l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 ph\u1ee9c t\u1ea1p v\u00e0 chi ph\u00ed trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m kh\u00f4ng?<\/h3>\n\n\n\n

V\u1ec1 m\u1eb7t \u0111\u1ed9 ph\u1ee9c t\u1ea1p trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n, \u1edf giai \u0111o\u1ea1n \u0111\u1ea7u th\u1ef1c s\u1ef1 c\u1ea7n ph\u1ea3i h\u1ecdc c\u00e1c m\u00f4 h\u00ecnh ph\u00e1t tri\u1ec3n m\u1edbi (ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c h\u00e0m bi\u00ean gi\u1edbi kh\u00f4ng d\u1ef1a tr\u00ean m\u00e1y ch\u1ee7 \u2013 serverless edge functions), c\u00e1c c\u00f4ng c\u1ee5 g\u1ee1 l\u1ed7i v\u00e0 quy tr\u00ecnh tri\u1ec3n khai; \u0111i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi m\u1ed9t kho\u1ea3ng th\u1eddi gian \u0111\u1ec3 l\u00e0m quen. Tuy nhi\u00ean, m\u1ed9t khi \u0111\u00e3 n\u1eafm v\u1eefng ch\u00fang, ch\u00fang s\u1ebd gi\u00fap gi\u1ea3m<\/p>\n\n\n\n

V\u1ec1 m\u1eb7t chi ph\u00ed, c\u00f3 nh\u1eefng bi\u1ebfn \u0111\u1ed9ng theo th\u1eddi gian. B\u0103ng th\u00f4ng v\u00e0 chi ph\u00ed t\u00ednh to\u00e1n c\u1ee7a m\u00e1y ch\u1ee7 ngu\u1ed3n s\u1ebd gi\u1ea3m \u0111\u00e1ng k\u1ec3 do l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp b\u1ecb ch\u1eb7n. \u0110\u1ed3ng th\u1eddi, c\u1ea7n ph\u1ea3i tr\u1ea3 ph\u00ed cho m\u1ea1ng l\u01b0\u1edbi edge \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, c\u00e1c l\u1ec7nh g\u1ecdi h\u00e0m (function calls) v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 b\u1ed5 sung. Nh\u00ecn chung, \u0111\u1ed1i v\u1edbi nh\u1eefng \u1ee9ng d\u1ee5ng c\u00f3 l\u01b0u l\u01b0\u1ee3ng l\u1edbn v\u00e0 ph\u00e2n b\u1ed1 ng\u01b0\u1eddi d\u00f9ng r\u1ed9ng r\u00e3i, vi\u1ec7c t\u0103ng t\u1ed1c th\u00f4ng qua m\u1ea1ng l\u01b0\u1edbi edge th\u01b0\u1eddng gi\u00fap c\u1ea3i thi\u1ec7n c\u1ea5u tr\u00fac chi ph\u00ed t\u1ed5ng th\u1ec3 v\u00e0 mang l\u1ea1i kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng c\u00f3 hi\u1ec7u qu\u1ea3 v\u1ec1 m\u1eb7t chi ph\u00ed cho s\u1ef1 ph\u00e1t tri\u1ec3n kinh doanh. Ph\u00e2n t\u00edch chi ph\u00ed ch\u00ednh x\u00e1c c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n d\u1ef1a tr\u00ean t\u1eebng t\u00ecnh hu\u1ed1ng c\u1ee5 th\u1ec3.<\/p>","protected":false},"excerpt":{"rendered":"

T\u0103ng t\u1ed1c bi\u00ean l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef chung cho m\u1ed9t lo\u1ea1t chi\u1ebfn l\u01b0\u1ee3c c\u00f4ng ngh\u1ec7 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean n\u1ec1n t\u1ea3ng \u0111i\u1ec7n to\u00e1n bi\u00ean. N\u00f3 \u0111\u01b0a t\u00e0i nguy\u00ean m\u00e1y t\u00ednh xu\u1ed1ng c\u00e1c n\u00fat bi\u00ean g\u1ea7n ng\u01b0\u1eddi d\u00f9ng h\u01a1n, x\u1eed l\u00fd y\u00eau c\u1ea7u th\u00f4ng qua c\u00e1c c\u00f4ng ngh\u1ec7 nh\u01b0 b\u1ed9 nh\u1edb \u0111\u1ec7m bi\u00ean, h\u00e0m bi\u00ean, t\u1eeb \u0111\u00f3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 tr\u1ec5 m\u1ea1ng, gi\u1ea3m t\u1ea3i cho m\u00e1y ch\u1ee7 g\u1ed1c v\u00e0 n\u00e2ng cao kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng c\u0169ng nh\u01b0 t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i c\u1ee7a \u1ee9ng d\u1ee5ng.<\/p>","protected":false},"author":7,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[359,616,793,431,360],"knowledge_category":[278],"class_list":["post-12359141","knowledge_post","type-knowledge_post","status-publish","hentry","tag-content-delivery-network","tag-application-performance","tag-latency-optimization","tag-user-experience","tag-edge-computing","knowledge_category-cdn"],"acf":{"site_seo_keywords":"\u8fb9\u7f18\u8ba1\u7b97,\u8fb9\u7f18\u52a0\u901f,\u5e94\u7528\u6027\u80fd,\u7528\u6237\u4f53\u9a8c,\u964d\u4f4e\u5ef6\u8fdf,\u8fb9\u7f18\u7f13\u5b58,\u8fb9\u7f18\u51fd\u6570,\u5185\u5bb9\u5206\u53d1\u7f51\u7edc"},"_links":{"self":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12359141","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\/12359141\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/media?parent=12359141"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/tags?post=12359141"},{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_category?post=12359141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}