{"id":39,"date":"2026-03-02T15:56:41","date_gmt":"2026-03-02T15:56:41","guid":{"rendered":"https:\/\/techupdatezone.net\/?p=39"},"modified":"2026-03-02T15:56:41","modified_gmt":"2026-03-02T15:56:41","slug":"toi-uu-toc-do-truy-cap-tai-fabet","status":"publish","type":"post","link":"https:\/\/techupdatezone.net\/index.php\/2026\/03\/02\/toi-uu-toc-do-truy-cap-tai-fabet\/","title":{"rendered":"T\u1ed1i \u01b0u t\u1ed1c \u0111\u1ed9 truy c\u1eadp t\u1ea1i fabet"},"content":{"rendered":"\n\n\n

Kh\u00e1m ph\u00e1 c\u00e1c gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt gi\u00fap fabet t\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 truy c\u1eadp, gi\u1ea3m thi\u1ec3u \u0111\u1ed9 tr\u1ec5 v\u00e0 \u0111\u1ea3m b\u1ea3o s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng trong m\u1ecdi \u0111i\u1ec1u ki\u1ec7n b\u0103ng th\u00f4ng.<\/p>\n\n\n\n

T\u1ed1i \u01b0u t\u1ed1c \u0111\u1ed9 truy c\u1eadp t\u1ea1i fabet<\/h1>\n\n\n\n

T\u1ea7m quan tr\u1ecdng c\u1ee7a t\u1ed1c \u0111\u1ed9 trong tr\u1ea3i nghi\u1ec7m s\u1ed1<\/h2>\n\n\n\n

Trong k\u1ef7 nguy\u00ean Internet v\u1ea1n v\u1eadt, t\u1ed1c \u0111\u1ed9 truy c\u1eadp website kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 k\u1ef9 thu\u1eadt \u0111\u01a1n thu\u1ea7n m\u00e0 c\u00f2n l\u00e0 th\u01b0\u1edbc \u0111o ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5 v\u00e0 uy t\u00edn c\u1ee7a m\u1ed9t doanh nghi\u1ec7p tr\u1ef1c tuy\u1ebfn. \u0110\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng gi\u1ea3i tr\u00ed quy m\u00f4 l\u1edbn, ch\u1ec9 m\u1ed9t gi\u00e2y ch\u1eadm tr\u1ec5 c\u0169ng c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 s\u1ef1 h\u00e0i l\u00f2ng c\u1ee7a kh\u00e1ch h\u00e0ng v\u00e0 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u qu\u1ea3 v\u1eadn h\u00e0nh. Hi\u1ec3u r\u00f5 th\u00e1ch th\u1ee9c n\u00e0y, \u0111\u1ed9i ng\u0169 k\u1ef9 s\u01b0 t\u1ea1i fabet \u0111\u00e3 kh\u00f4ng ng\u1eebng nghi\u00ean c\u1ee9u v\u00e0 tri\u1ec3n khai nh\u1eefng gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u h\u00f3a h\u1ea1 t\u1ea7ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i nhanh nh\u1ea5t c\u00f3 th\u1ec3 cho ng\u01b0\u1eddi d\u00f9ng tr\u00ean to\u00e0n c\u1ea7u.<\/p>\n\n\n\n

T\u1ed1c \u0111\u1ed9 trang web \u1ea3nh h\u01b0\u1edfng s\u00e2u s\u1eafc \u0111\u1ebfn h\u00e0nh vi ng\u01b0\u1eddi d\u00f9ng; m\u1ed9t trang web t\u1ea3i nhanh t\u1ea1o ra c\u1ea3m gi\u00e1c tin c\u1eady, chuy\u00ean nghi\u1ec7p v\u00e0 m\u01b0\u1ee3t m\u00e0. Ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu h\u1ec7 th\u1ed1ng g\u1eb7p t\u00ecnh tr\u1ea1ng lag ho\u1eb7c t\u1ea3i ch\u1eadm, ng\u01b0\u1eddi d\u00f9ng s\u1ebd d\u1ec5 n\u1ea3y sinh t\u00e2m l\u00fd \u1ee9c ch\u1ebf v\u00e0 r\u1eddi b\u1ecf n\u1ec1n t\u1ea3ng. T\u1ea1i fabet, vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1ee3c coi l\u00e0 nhi\u1ec7m v\u1ee5 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u, b\u1edfi l\u1ebd s\u1ef1 k\u1ecbch t\u00ednh c\u1ee7a c\u00e1c tr\u1eadn \u0111\u1ea5u th\u1ec3 thao hay c\u00e1c v\u00e1n b\u00e0i tr\u1ef1c tuy\u1ebfn \u0111\u00f2i h\u1ecfi t\u00ednh t\u1ee9c th\u1eddi c\u1ef1c cao. M\u1ecdi mili gi\u00e2y \u0111\u1ec1u qu\u00fd gi\u00e1, v\u00e0 c\u00f4ng ngh\u1ec7 ch\u00ednh l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 l\u00e0m ch\u1ee7 th\u1eddi gian trong kh\u00f4ng gian s\u1ed1 \u0111\u1ea7y c\u1ea1nh tranh n\u00e0y.<\/p>\n\n\n\n

\u1ee8ng d\u1ee5ng m\u1ea1ng ph\u00e2n ph\u1ed1i n\u1ed9i dung CDN to\u00e0n c\u1ea7u<\/h2>\n\n\n\n

M\u1ed9t trong nh\u1eefng gi\u1ea3i ph\u00e1p then ch\u1ed1t gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 truy c\u1eadp cho ng\u01b0\u1eddi d\u00f9ng \u1edf nhi\u1ec1u v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd kh\u00e1c nhau l\u00e0 vi\u1ec7c tri\u1ec3n khai m\u1ea1ng ph\u00e2n ph\u1ed1i n\u1ed9i dung (Content Delivery Network – CDN). Thay v\u00ec t\u1ea5t c\u1ea3 c\u00e1c y\u00eau c\u1ea7u t\u1eeb ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec1u \u0111\u1ed5 v\u1ec1 m\u1ed9t m\u00e1y ch\u1ee7 trung t\u00e2m duy nh\u1ea5t, CDN cho ph\u00e9p ph\u00e2n t\u00e1n c\u00e1c b\u1ea3n sao n\u1ed9i dung t\u0129nh nh\u01b0 h\u00ecnh \u1ea3nh, t\u1ec7p tin CSS v\u00e0 Javascript \u0111\u1ebfn h\u00e0ng ngh\u00ecn m\u00e1y ch\u1ee7 bi\u00ean (Edge Servers) tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. Khi m\u1ed9t th\u00e0nh vi\u00ean truy c\u1eadp v\u00e0o fabet, h\u1ec7 th\u1ed1ng s\u1ebd t\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u h\u01b0\u1edbng y\u00eau c\u1ea7u \u0111\u1ebfn m\u00e1y ch\u1ee7 bi\u00ean g\u1ea7n nh\u1ea5t v\u1edbi v\u1ecb tr\u00ed c\u1ee7a h\u1ecd.<\/p>\n\n\n\n

Vi\u1ec7c \u1ee9ng d\u1ee5ng CDN gi\u00fap gi\u1ea3m thi\u1ec3u \u0111\u00e1ng k\u1ec3 kho\u1ea3ng c\u00e1ch v\u1eadt l\u00fd m\u00e0 d\u1eef li\u1ec7u ph\u1ea3i di chuy\u1ec3n, t\u1eeb \u0111\u00f3 gi\u1ea3m \u0111\u1ed9 tr\u1ec5 (latency) v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 t\u1ea3i trang. Ngo\u00e0i ra, CDN c\u00f2n \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t l\u1edbp \u0111\u1ec7m gi\u1ea3m t\u1ea3i cho m\u00e1y ch\u1ee7 g\u1ed1c, gi\u00fap h\u1ec7 th\u1ed1ng ch\u1ecbu \u0111\u01b0\u1ee3c l\u01b0\u1ee3ng truy c\u1eadp kh\u1ed5ng l\u1ed3 trong c\u00e1c gi\u1edd cao \u0111i\u1ec3m m\u00e0 kh\u00f4ng g\u1eb7p t\u00ecnh tr\u1ea1ng ngh\u1ebdn m\u1ea1ng. S\u1ef1 \u0111\u1ea7u t\u01b0 b\u00e0i b\u1ea3n v\u00e0o h\u1ea1 t\u1ea7ng m\u1ea1ng ph\u00e2n ph\u1ed1i n\u00e0y t\u1ea1i fabet minh ch\u1ee9ng cho t\u1ea7m nh\u00ecn chi\u1ebfn l\u01b0\u1ee3c trong vi\u1ec7c l\u00e0m ch\u1ee7 c\u00f4ng ngh\u1ec7 \u0111\u1ec3 ph\u1ee5c v\u1ee5 ng\u01b0\u1eddi d\u00f9ng m\u1ed9t c\u00e1ch t\u1ed1t nh\u1ea5t, b\u1ea5t k\u1ec3 h\u1ecd \u0111ang \u1edf \u0111\u00e2u hay s\u1eed d\u1ee5ng lo\u1ea1i k\u1ebft n\u1ed1i internet n\u00e0o.<\/p>\n\n\n\n

T\u1ed1i \u01b0u h\u00f3a h\u1ea1 t\u1ea7ng m\u00e1y ch\u1ee7 v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/h2>\n\n\n\n

H\u1ea1 t\u1ea7ng ph\u00eda m\u00e1y ch\u1ee7 (Back-end) l\u00e0 n\u01a1i x\u1eed l\u00fd c\u00e1c thu\u1eadt to\u00e1n ph\u1ee9c t\u1ea1p v\u00e0 truy v\u1ea5n d\u1eef li\u1ec7u. \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i nhanh, \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt t\u1ea1i fabet \u0111\u00e3 th\u1ef1c hi\u1ec7n t\u1ed1i \u01b0u h\u00f3a s\u00e2u r\u1ed9ng c\u1ea5u tr\u00fac c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7. Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i \u1ed5 c\u1ee9ng t\u1ed1c \u0111\u1ed9 cao SSD NVMe k\u1ebft h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng b\u1ed9 nh\u1edb \u0111\u1ec7m (Caching) \u0111a l\u1edbp gi\u00fap gi\u1ea3m th\u1eddi gian truy xu\u1ea5t d\u1eef li\u1ec7u xu\u1ed1ng m\u1ee9c t\u1ed1i thi\u1ec3u. C\u00e1c d\u1eef li\u1ec7u th\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u1ee3c truy c\u1eadp s\u1ebd \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef t\u1ea1m th\u1eddi tr\u00ean RAM thay v\u00ec ph\u1ea3i \u0111\u1ecdc t\u1eeb \u1ed5 c\u1ee9ng, gi\u00fap t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i di\u1ec5n ra g\u1ea7n nh\u01b0 t\u1ee9c th\u00ec.<\/p>\n\n\n\n

B\u00ean c\u1ea1nh \u0111\u00f3, vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a c\u00e1c c\u00e2u l\u1ec7nh truy v\u1ea5n (Query Optimization) v\u00e0 s\u1eed d\u1ee5ng ki\u1ebfn tr\u00fac Microservices gi\u00fap h\u1ec7 th\u1ed1ng c\u00f3 kh\u1ea3 n\u0103ng x\u1eed l\u00fd song song nhi\u1ec1u t\u00e1c v\u1ee5 m\u00e0 kh\u00f4ng g\u00e2y xung \u0111\u1ed9t hay ch\u1eadm tr\u1ec5. M\u1ed7i d\u1ecbch v\u1ee5 nh\u1ecf trong h\u1ec7 th\u1ed1ng fabet ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 m\u1edf r\u1ed9ng t\u00e0i nguy\u00ean khi c\u1ea7n thi\u1ebft. S\u1ef1 tinh g\u1ecdn v\u00e0 hi\u1ec7u qu\u1ea3 trong thi\u1ebft k\u1ebf h\u1ea1 t\u1ea7ng gi\u00fap nh\u00e0 c\u00e1i duy tr\u00ec \u0111\u01b0\u1ee3c hi\u1ec7u n\u0103ng c\u1ef1c cao, \u0111\u00e1p \u1ee9ng h\u00e0ng tri\u1ec7u y\u00eau c\u1ea7u x\u1eed l\u00fd m\u1ed7i gi\u00e2y m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 \u1ed5n \u0111\u1ecbnh. \u0110\u00e2y l\u00e0 th\u00e0nh qu\u1ea3 c\u1ee7a qu\u00e1 tr\u00ecnh li\u00ean t\u1ee5c c\u1ea3i ti\u1ebfn v\u00e0 \u00e1p d\u1ee5ng c\u00e1c ti\u00eau chu\u1ea9n IT ti\u00ean ti\u1ebfn nh\u1ea5t th\u1ebf gi\u1edbi.<\/p>\n\n\n\n

K\u1ef9 thu\u1eadt n\u00e9n d\u1eef li\u1ec7u v\u00e0 t\u1ed1i \u01b0u h\u00f3a ph\u00eda ng\u01b0\u1eddi d\u00f9ng<\/h2>\n\n\n\n

T\u1ed1c \u0111\u1ed9 truy c\u1eadp kh\u00f4ng ch\u1ec9 ph\u1ee5 thu\u1ed9c v\u00e0o m\u00e1y ch\u1ee7 m\u00e0 c\u00f2n ph\u1ee5 thu\u1ed9c v\u00e0o dung l\u01b0\u1ee3ng d\u1eef li\u1ec7u truy\u1ec1n t\u1ea3i qua \u0111\u01b0\u1eddng truy\u1ec1n internet. \u0110\u1ec3 t\u1ed1i \u01b0u h\u00f3a \u0111i\u1ec1u n\u00e0y, c\u00e1c k\u1ef9 thu\u1eadt n\u00e9n d\u1eef li\u1ec7u nh\u01b0 Gzip ho\u1eb7c Brotli \u0111\u00e3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng tri\u1ec7t \u0111\u1ec3 t\u1ea1i fabet. C\u00e1c t\u1ec7p tin v\u0103n b\u1ea3n, m\u00e3 ngu\u1ed3n website \u0111\u01b0\u1ee3c n\u00e9n l\u1ea1i v\u1edbi dung l\u01b0\u1ee3ng nh\u1ecf h\u01a1n nhi\u1ec1u l\u1ea7n tr\u01b0\u1edbc khi g\u1eedi \u0111\u1ebfn tr\u00ecnh duy\u1ec7t c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, gi\u00fap ti\u1ebft ki\u1ec7m b\u0103ng th\u00f4ng v\u00e0 r\u00fat ng\u1eafn th\u1eddi gian t\u1ea3i xu\u1ed1ng.<\/p>\n\n\n\n

V\u1ec1 m\u1eb7t h\u00ecnh \u1ea3nh, h\u1ec7 th\u1ed1ng s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ecbnh d\u1ea1ng hi\u1ec7n \u0111\u1ea1i nh\u01b0 WebP, mang l\u1ea1i ch\u1ea5t l\u01b0\u1ee3ng hi\u1ec3n th\u1ecb s\u1eafc n\u00e9t nh\u01b0ng dung l\u01b0\u1ee3ng c\u1ef1c nh\u1eb9 fabet<\/em><\/strong><\/a> so v\u1edbi c\u00e1c \u0111\u1ecbnh d\u1ea1ng truy\u1ec1n th\u1ed1ng nh\u01b0 JPG hay PNG. Ngo\u00e0i ra, k\u1ef9 thu\u1eadt “Lazy Loading” (t\u1ea3i ch\u1eadm) c\u0169ng \u0111\u01b0\u1ee3c tri\u1ec3n khai, ngh\u0129a l\u00e0 ch\u1ec9 nh\u1eefng h\u00ecnh \u1ea3nh n\u1eb1m trong khung h\u00ecnh ng\u01b0\u1eddi d\u00f9ng \u0111ang xem m\u1edbi \u0111\u01b0\u1ee3c t\u1ea3i, c\u00e1c h\u00ecnh \u1ea3nh \u1edf ph\u00eda d\u01b0\u1edbi trang s\u1ebd ch\u1ec9 \u0111\u01b0\u1ee3c t\u1ea3i khi ng\u01b0\u1eddi d\u00f9ng cu\u1ed9n t\u1edbi. S\u1ef1 t\u1ec9 m\u1ec9 trong vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a t\u1eebng byte d\u1eef li\u1ec7u t\u1ea1i fabet gi\u00fap trang web ho\u1ea1t \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0 ngay c\u1ea3 tr\u00ean nh\u1eefng \u0111\u01b0\u1eddng truy\u1ec1n m\u1ea1ng 3G ho\u1eb7c 4G y\u1ebfu, mang l\u1ea1i s\u1ef1 ti\u1ec7n l\u1ee3i t\u1ed1i \u0111a cho m\u1ecdi th\u00e0nh vi\u00ean.<\/p>\n\n\n\n

H\u1ec7 th\u1ed1ng c\u00e2n b\u1eb1ng t\u1ea3i th\u00f4ng minh Load Balancing<\/h2>\n\n\n\n

Trong nh\u1eefng s\u1ef1 ki\u1ec7n th\u1ec3 thao l\u1edbn, l\u01b0\u1ee3ng ng\u01b0\u1eddi truy c\u1eadp v\u00e0o website c\u00f3 th\u1ec3 t\u0103ng \u0111\u1ed9t bi\u1ebfn g\u1ea5p h\u00e0ng tr\u0103m l\u1ea7n so v\u1edbi b\u00ecnh th\u01b0\u1eddng. \u0110\u1ec3 \u0111\u1ed1i ph\u00f3 v\u1edbi t\u00ecnh tr\u1ea1ng n\u00e0y, fabet s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng c\u00e2n b\u1eb1ng t\u1ea3i th\u00f4ng minh (Load Balancing). H\u1ec7 th\u1ed1ng n\u00e0y \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t c\u1ea3nh s\u00e1t giao th\u00f4ng k\u1ef9 thu\u1eadt s\u1ed1, ph\u00e2n ph\u1ed1i l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ec1u \u0111\u1ebfn c\u00e1c c\u1ee5m m\u00e1y ch\u1ee7 kh\u00e1c nhau (Server Clusters), \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 m\u00e1y ch\u1ee7 n\u00e0o b\u1ecb qu\u00e1 t\u1ea3i trong khi c\u00e1c m\u00e1y ch\u1ee7 kh\u00e1c v\u1eabn c\u00f2n t\u00e0i nguy\u00ean.<\/p>\n\n\n\n

C\u00f4ng ngh\u1ec7 c\u00e2n b\u1eb1ng t\u1ea3i gi\u00fap duy tr\u00ec t\u00ednh s\u1eb5n s\u00e0ng cao c\u1ee7a h\u1ec7 th\u1ed1ng. N\u1ebfu m\u1ed9t m\u00e1y ch\u1ee7 g\u1eb7p s\u1ef1 c\u1ed1 k\u1ef9 thu\u1eadt, Load Balancer s\u1ebd t\u1ef1 \u0111\u1ed9ng ph\u00e1t hi\u1ec7n v\u00e0 chuy\u1ec3n h\u01b0\u1edbng l\u01b0u l\u01b0\u1ee3ng sang c\u00e1c m\u00e1y ch\u1ee7 \u0111ang ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng m\u00e0 ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng h\u1ec1 nh\u1eadn ra s\u1ef1 gi\u00e1n \u0111o\u1ea1n. Vi\u1ec7c tri\u1ec3n khai gi\u1ea3i ph\u00e1p n\u00e0y t\u1ea1i fabet kh\u00f4ng ch\u1ec9 t\u0103ng t\u1ed1c \u0111\u1ed9 truy c\u1eadp m\u00e0 c\u00f2n \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh tuy\u1ec7t \u0111\u1ed1i c\u1ee7a d\u1ecbch v\u1ee5. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 ho\u00e0n to\u00e0n y\u00ean t\u00e2m th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c \u0111\u1eb7t c\u01b0\u1ee3c hay giao d\u1ecbch t\u00e0i ch\u00ednh ngay c\u1ea3 trong nh\u1eefng th\u1eddi \u0111i\u1ec3m s\u00f4i \u0111\u1ed9ng nh\u1ea5t m\u00e0 kh\u00f4ng ph\u1ea3i lo l\u1eafng v\u1ec1 vi\u1ec7c s\u1eadp m\u1ea1ng hay treo trang.<\/p>\n\n\n\n

\"fabet\"<\/figure>\n\n\n\n

T\u1ed1c \u0111\u1ed9 truy c\u1eadp tr\u00ean \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng ch\u00ednh th\u1ee9c<\/h2>\n\n\n\n

V\u1edbi xu h\u01b0\u1edbng ng\u01b0\u1eddi d\u00f9ng chuy\u1ec3n d\u1ecbch m\u1ea1nh m\u1ebd sang thi\u1ebft b\u1ecb c\u1ea7m tay, vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 tr\u00ean \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng l\u00e0 m\u1ed9t b\u00e0i to\u00e1n quan tr\u1ecdng. \u1ee8ng d\u1ee5ng c\u1ee7a fabet \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n theo h\u01b0\u1edbng “Native App” (\u1ee9ng d\u1ee5ng g\u1ed1c), ngh\u0129a l\u00e0 m\u00e3 ngu\u1ed3n \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a ri\u00eang cho t\u1eebng h\u1ec7 \u0111i\u1ec1u h\u00e0nh Android v\u00e0 iOS. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p \u1ee9ng d\u1ee5ng t\u1eadn d\u1ee5ng t\u1ed1i \u0111a s\u1ee9c m\u1ea1nh ph\u1ea7n c\u1ee9ng c\u1ee7a \u0111i\u1ec7n tho\u1ea1i, mang l\u1ea1i t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i nhanh h\u01a1n nhi\u1ec1u l\u1ea7n so v\u1edbi vi\u1ec7c truy c\u1eadp qua tr\u00ecnh duy\u1ec7t di \u0111\u1ed9ng th\u00f4ng th\u01b0\u1eddng.<\/p>\n\n\n\n

D\u1eef li\u1ec7u tr\u00ean \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng \u0111\u01b0\u1ee3c \u0111\u1ed3ng b\u1ed9 h\u00f3a th\u00f4ng qua c\u00e1c API (Giao di\u1ec7n l\u1eadp tr\u00ecnh \u1ee9ng d\u1ee5ng) tinh g\u1ecdn, gi\u00fap gi\u1ea3m thi\u1ec3u l\u01b0\u1ee3ng d\u1eef li\u1ec7u c\u1ea7n truy\u1ec1n t\u1ea3i v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 c\u1eadp nh\u1eadt t\u1ef7 l\u1ec7 k\u00e8o tr\u1ef1c ti\u1ebfp. \u0110\u1ed9i ng\u0169 IT c\u1ee7a fabet c\u0169ng ch\u00fa tr\u1ecdng v\u00e0o vi\u1ec7c thi\u1ebft k\u1ebf giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng (UI\/UX) t\u1ed1i gi\u1ea3n, lo\u1ea1i b\u1ecf c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u1ed3 h\u1ecda th\u1eeba th\u00e3i \u0111\u1ec3 t\u1eadp trung v\u00e0o t\u1ed1c \u0111\u1ed9 th\u1ef1c thi c\u00e1c c\u00e2u l\u1ec7nh. S\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa c\u00f4ng ngh\u1ec7 g\u1ed1c v\u00e0 h\u1ea1 t\u1ea7ng truy\u1ec1n t\u1ea3i hi\u1ec7n \u0111\u1ea1i gi\u00fap \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng c\u1ee7a nh\u00e0 c\u00e1i tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng c\u00f4ng c\u1ee5 gi\u1ea3i tr\u00ed nhanh nh\u1ea5t v\u00e0 \u1ed5n \u0111\u1ecbnh nh\u1ea5t tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay.<\/p>\n\n\n\n

Giao th\u1ee9c m\u1ea1ng th\u1ebf h\u1ec7 m\u1edbi HTTP\/3 v\u00e0 QUIC<\/h2>\n\n\n\n

\u0110\u1ec3 d\u1eabn \u0111\u1ea7u v\u1ec1 c\u00f4ng ngh\u1ec7, fabet \u0111\u00e3 b\u1eaft \u0111\u1ea7u tri\u1ec3n khai c\u00e1c giao th\u1ee9c m\u1ea1ng th\u1ebf h\u1ec7 m\u1edbi nh\u01b0 HTTP\/3 d\u1ef1a tr\u00ean QUIC. Kh\u00e1c v\u1edbi giao th\u1ee9c TCP truy\u1ec1n th\u1ed1ng v\u1ed1n c\u00f3 nhi\u1ec1u b\u01b0\u1edbc thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i g\u00e2y t\u1ed1n th\u1eddi gian, QUIC cho ph\u00e9p thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i nhanh h\u01a1n v\u00e0 gi\u1ea3m thi\u1ec3u \u1ea3nh h\u01b0\u1edfng c\u1ee7a vi\u1ec7c m\u1ea5t g\u00f3i tin (packet loss). \u0110i\u1ec1u n\u00e0y c\u1ef1c k\u1ef3 c\u00f3 l\u1ee3i cho nh\u1eefng ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp web th\u00f4ng qua m\u1ea1ng kh\u00f4ng d\u00e2y v\u1ed1n th\u01b0\u1eddng xuy\u00ean c\u00f3 s\u1ef1 bi\u1ebfn \u0111\u1ed9ng v\u1ec1 t\u00edn hi\u1ec7u.<\/p>\n\n\n\n

Vi\u1ec7c \u1ee9ng d\u1ee5ng HTTP\/3 gi\u00fap website t\u1ea3i nhanh h\u01a1n trong m\u00f4i tr\u01b0\u1eddng m\u1ea1ng k\u00e9m \u1ed5n \u0111\u1ecbnh, gi\u1ea3m hi\u1ec7n t\u01b0\u1ee3ng “\u0111\u1ee9ng h\u00ecnh” khi t\u1ea3i c\u00e1c th\u00e0nh ph\u1ea7n ph\u1ee9c t\u1ea1p c\u1ee7a trang web. \u0110\u00e2y l\u00e0 m\u1ed9t b\u01b0\u1edbc ti\u1ebfn c\u00f4ng ngh\u1ec7 \u0111\u1ed9t ph\u00e1, th\u1ec3 hi\u1ec7n s\u1ef1 nh\u1ea1y b\u00e9n c\u1ee7a fabet trong vi\u1ec7c \u0111\u00f3n \u0111\u1ea7u c\u00e1c xu h\u01b0\u1edbng IT m\u1edbi nh\u1ea5t \u0111\u1ec3 ph\u1ee5c v\u1ee5 kh\u00e1ch h\u00e0ng. Khi c\u00e1c tr\u00ecnh duy\u1ec7t web hi\u1ec7n \u0111\u1ea1i ng\u00e0y c\u00e0ng h\u1ed7 tr\u1ee3 t\u1ed1t cho c\u00e1c giao th\u1ee9c n\u00e0y, ng\u01b0\u1eddi d\u00f9ng s\u1ebd c\u1ea3m nh\u1eadn r\u00f5 r\u1ec7t s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i v\u00e0 t\u00ednh m\u01b0\u1ee3t m\u00e0 c\u1ee7a h\u1ec7 th\u1ed1ng, mang l\u1ea1i c\u1ea3m gi\u00e1c gi\u1ea3i tr\u00ed chuy\u00ean nghi\u1ec7p v\u00e0 \u0111\u1eb3ng c\u1ea5p.<\/p>\n\n\n\n

Vai tr\u00f2 c\u1ee7a Edge Computing trong vi\u1ec7c gi\u1ea3m \u0111\u1ed9 tr\u1ec5<\/h2>\n\n\n\n

\u0110i\u1ec7n to\u00e1n bi\u00ean (Edge Computing) l\u00e0 m\u1ed9t xu h\u01b0\u1edbng c\u00f4ng ngh\u1ec7 m\u1edbi gi\u00fap \u0111\u01b0a vi\u1ec7c x\u1eed l\u00fd d\u1eef li\u1ec7u \u0111\u1ebfn g\u1ea7n h\u01a1n v\u1edbi ngu\u1ed3n ph\u00e1t sinh d\u1eef li\u1ec7u. T\u1ea1i fabet, m\u1ed9t s\u1ed1 t\u00e1c v\u1ee5 x\u1eed l\u00fd nh\u1eb9 v\u00e0 c\u00e1c logic hi\u1ec3n th\u1ecb \u0111\u01b0\u1ee3c \u0111\u1ea9y ra th\u1ef1c hi\u1ec7n ngay t\u1ea1i c\u00e1c m\u00e1y ch\u1ee7 bi\u00ean thay v\u00ec ph\u1ea3i quay v\u1ec1 m\u00e1y ch\u1ee7 trung t\u00e2m. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 th\u1eddi gian kh\u1ee9 h\u1ed3i (Round Trip Time – RTT) c\u1ee7a c\u00e1c y\u00eau c\u1ea7u t\u1eeb ph\u00eda ng\u01b0\u1eddi d\u00f9ng.<\/p>\n\n\n\n

\u1ee8ng d\u1ee5ng Edge Computing \u0111\u1eb7c bi\u1ec7t hi\u1ec7u qu\u1ea3 trong vi\u1ec7c x\u1eed l\u00fd c\u00e1c th\u00f4ng tin c\u1eadp nh\u1eadt li\u00ean t\u1ee5c nh\u01b0 t\u1ef7 s\u1ed1 tr\u1eadn \u0111\u1ea5u hay bi\u1ebfn \u0111\u1ed9ng t\u1ef7 l\u1ec7 k\u00e8o. Thay v\u00ec \u0111\u1ee3i m\u00e1y ch\u1ee7 trung t\u00e2m x\u1eed l\u00fd v\u00e0 ph\u1ea3n h\u1ed3i, m\u00e1y ch\u1ee7 bi\u00ean c\u00f3 th\u1ec3 tr\u1ef1c ti\u1ebfp tr\u1ea3 v\u1ec1 th\u00f4ng tin \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ed3ng b\u1ed9 h\u00f3a tr\u01b0\u1edbc \u0111\u00f3, gi\u00fap ng\u01b0\u1eddi d\u00f9ng nh\u1eadn \u0111\u01b0\u1ee3c th\u00f4ng tin nhanh h\u01a1n v\u00e0i ph\u1ea7n m\u01b0\u1eddi gi\u00e2y. S\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y c\u00f3 v\u1ebb nh\u1ecf nh\u01b0ng trong c\u00e1 c\u01b0\u1ee3c th\u1ec3 thao tr\u1ef1c ti\u1ebfp, n\u00f3 c\u00f3 th\u1ec3 l\u00e0 ranh gi\u1edbi gi\u1eefa vi\u1ec7c n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c c\u01a1 h\u1ed9i hay b\u1ecf l\u1ee1 n\u00f3. \u0110\u1ea7u t\u01b0 v\u00e0o \u0111i\u1ec7n to\u00e1n bi\u00ean minh ch\u1ee9ng cho s\u1ef1 chuy\u00ean s\u00e2u v\u1ec1 k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 c\u00e1i fabet trong vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a m\u1ecdi kh\u00eda c\u1ea1nh c\u1ee7a hi\u1ec7u n\u0103ng h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n

Quy tr\u00ecnh ki\u1ec3m tra hi\u1ec7u n\u0103ng h\u1ec7 th\u1ed1ng \u0111\u1ecbnh k\u1ef3<\/h2>\n\n\n\n

C\u00f4ng ngh\u1ec7 t\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t c\u00f4ng vi\u1ec7c l\u00e0m m\u1ed9t l\u1ea7n l\u00e0 xong, m\u00e0 l\u00e0 m\u1ed9t quy tr\u00ecnh c\u1ea3i ti\u1ebfn li\u00ean t\u1ee5c. \u0110\u1ed9i ng\u0169 k\u1ef9 s\u01b0 t\u1ea1i fabet th\u01b0\u1eddng xuy\u00ean th\u1ef1c hi\u1ec7n c\u00e1c b\u00e0i ki\u1ec3m tra \u00e1p l\u1ef1c (Stress Test) v\u00e0 ki\u1ec3m tra hi\u1ec7u n\u0103ng (Performance Test) \u0111\u1ec3 t\u00ecm ra c\u00e1c \u0111i\u1ec3m ngh\u1ebdn c\u1ed5 chai (bottleneck) c\u1ee7a h\u1ec7 th\u1ed1ng. C\u00e1c c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t th\u1eddi gian th\u1ef1c gi\u00fap theo d\u00f5i t\u1ed1c \u0111\u1ed9 t\u1ea3i trang t\u1eeb nhi\u1ec1u qu\u1ed1c gia kh\u00e1c nhau, t\u1eeb \u0111\u00f3 c\u00f3 nh\u1eefng \u0111i\u1ec1u ch\u1ec9nh h\u1ea1 t\u1ea7ng k\u1ecbp th\u1eddi.<\/p>\n\n\n\n

M\u1ed7i khi c\u00f3 m\u1ed9t t\u00ednh n\u0103ng m\u1edbi \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt, quy tr\u00ecnh ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng k\u1ef9 thu\u1eadt s\u1ebd \u0111\u00e1nh gi\u00e1 xem t\u00ednh n\u0103ng \u0111\u00f3 c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 chung c\u1ee7a website hay kh\u00f4ng. N\u1ebfu c\u00f3, c\u00e1c \u0111o\u1ea1n m\u00e3 s\u1ebd \u0111\u01b0\u1ee3c t\u00e1i c\u1ea5u tr\u00fac \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa t\u00ednh n\u0103ng v\u00e0 hi\u1ec7u su\u1ea5t. S\u1ef1 kh\u1eaft khe trong quy tr\u00ecnh IT t\u1ea1i fabet gi\u00fap h\u1ec7 th\u1ed1ng lu\u00f4n \u1edf tr\u1ea1ng th\u00e1i t\u1ed1t nh\u1ea5t, s\u1eb5n s\u00e0ng ph\u1ee5c v\u1ee5 l\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng ng\u00e0y c\u00e0ng t\u0103ng m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m \u0111i ch\u1ea5t l\u01b0\u1ee3ng tr\u1ea3i nghi\u1ec7m. Vi\u1ec7c l\u1eafng nghe ph\u1ea3n h\u1ed3i c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u1ec1 t\u1ed1c \u0111\u1ed9 truy c\u1eadp c\u0169ng \u0111\u01b0\u1ee3c ch\u00fa tr\u1ecdng \u0111\u1ec3 ho\u00e0n thi\u1ec7n h\u1ec7 th\u1ed1ng m\u1ed7i ng\u00e0y m\u1ed9t c\u00e1ch kh\u00e1ch quan nh\u1ea5t.<\/p>\n\n\n\n

K\u1ebft lu\u1eadn v\u1ec1 cam k\u1ebft t\u1ed1c \u0111\u1ed9 v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng<\/h2>\n\n\n\n

T\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 truy c\u1eadp l\u00e0 m\u1ed9t cu\u1ed9c \u0111ua kh\u00f4ng c\u00f3 h\u1ed3i k\u1ebft, n\u01a1i m\u00e0 s\u1ef1 ti\u1ebfn b\u1ed9 c\u1ee7a c\u00f4ng ngh\u1ec7 lu\u00f4n m\u1edf ra nh\u1eefng gi\u1edbi h\u1ea1n m\u1edbi. T\u1ea1i fabet, cam k\u1ebft mang l\u1ea1i tr\u1ea3i nghi\u1ec7m m\u01b0\u1ee3t m\u00e0, nhanh ch\u00f3ng v\u00e0 \u1ed5n \u0111\u1ecbnh l\u00e0 kim ch\u1ec9 nam cho m\u1ecdi ho\u1ea1t \u0111\u1ed9ng ph\u00e1t tri\u1ec3n h\u1ea1 t\u1ea7ng IT. T\u1eeb vi\u1ec7c \u1ee9ng d\u1ee5ng CDN, Load Balancing \u0111\u1ebfn nh\ufffd\ufffdng giao th\u1ee9c m\u1ea1ng th\u1ebf h\u1ec7 m\u1edbi, t\u1ea5t c\u1ea3 \u0111\u1ec1u nh\u1eb1m m\u1ee5c ti\u00eau cao nh\u1ea5t l\u00e0 s\u1ef1 h\u00e0i l\u00f2ng v\u00e0 tin t\u01b0\u1edfng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n\n\n\n

Ng\u01b0\u1eddi ch\u01a1i khi tham gia v\u00e0o h\u1ec7 th\u1ed1ng c\u1ee7a nh\u00e0 c\u00e1i c\u00f3 th\u1ec3 ho\u00e0n to\u00e0n y\u00ean t\u00e2m r\u1eb1ng m\u00ecnh \u0111ang \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi nh\u1eefng c\u00f4ng ngh\u1ec7 truy\u1ec1n t\u1ea3i v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u h\u00e0ng \u0111\u1ea7u th\u1ebf gi\u1edbi. T\u1ed1c \u0111\u1ed9 v\u01b0\u1ee3t tr\u1ed9i kh\u00f4ng ch\u1ec9 gi\u00fap c\u00e1c thao t\u00e1c di\u1ec5n ra nhanh h\u01a1n m\u00e0 c\u00f2n t\u1ea1o n\u00ean s\u1ef1 c\u00f4ng b\u1eb1ng v\u00e0 minh b\u1ea1ch trong m\u1ecdi ho\u1ea1t \u0111\u1ed9ng gi\u1ea3i tr\u00ed tr\u1ef1c tuy\u1ebfn. V\u1edbi n\u1ec1n t\u1ea3ng k\u1ef9 thu\u1eadt v\u1eefng ch\u1eafc v\u00e0 t\u01b0 duy \u0111\u1ed5i m\u1edbi kh\u00f4ng ng\u1eebng, fabet s\u1ebd ti\u1ebfp t\u1ee5c duy tr\u00ec v\u1ecb th\u1ebf d\u1eabn \u0111\u1ea7u v\u1ec1 hi\u1ec7u n\u0103ng, mang l\u1ea1i nh\u1eefng gi\u00e2y ph\u00fat th\u01b0 gi\u00e3n \u0111\u1ec9nh cao v\u00e0 \u0111\u1ea7y h\u1ee9ng kh\u1edfi cho m\u1ecdi th\u00e0nh vi\u00ean tr\u00ean to\u00e0n c\u1ea7u.<\/p>\n","protected":false},"excerpt":{"rendered":"

Kh\u00e1m ph\u00e1 c\u00e1c gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt gi\u00fap fabet t\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 truy c\u1eadp, gi\u1ea3m thi\u1ec3u \u0111\u1ed9 tr\u1ec5 v\u00e0 \u0111\u1ea3m b\u1ea3o s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng trong m\u1ecdi \u0111i\u1ec1u ki\u1ec7n b\u0103ng th\u00f4ng. T\u1ed1i \u01b0u t\u1ed1c \u0111\u1ed9 truy c\u1eadp t\u1ea1i fabet T\u1ea7m quan tr\u1ecdng c\u1ee7a t\u1ed1c \u0111\u1ed9 trong tr\u1ea3i nghi\u1ec7m s\u1ed1 Trong k\u1ef7 […]\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-39","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/techupdatezone.net\/index.php\/wp-json\/wp\/v2\/posts\/39","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/techupdatezone.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/techupdatezone.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/techupdatezone.net\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/techupdatezone.net\/index.php\/wp-json\/wp\/v2\/comments?post=39"}],"version-history":[{"count":1,"href":"https:\/\/techupdatezone.net\/index.php\/wp-json\/wp\/v2\/posts\/39\/revisions"}],"predecessor-version":[{"id":41,"href":"https:\/\/techupdatezone.net\/index.php\/wp-json\/wp\/v2\/posts\/39\/revisions\/41"}],"wp:attachment":[{"href":"https:\/\/techupdatezone.net\/index.php\/wp-json\/wp\/v2\/media?parent=39"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/techupdatezone.net\/index.php\/wp-json\/wp\/v2\/categories?post=39"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/techupdatezone.net\/index.php\/wp-json\/wp\/v2\/tags?post=39"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}