{"id":18496,"date":"2021-12-23T17:18:00","date_gmt":"2021-12-23T10:18:00","guid":{"rendered":"https:\/\/speed.family\/?p=18496"},"modified":"2023-08-31T22:40:45","modified_gmt":"2023-08-31T15:40:45","slug":"global-server-load-balancing","status":"publish","type":"post","link":"https:\/\/kiencang.net\/global-server-load-balancing\/","title":{"rendered":"Global Server Load Balancing hay GSLB l\u00e0 g\u00ec?"},"content":{"rendered":"\n

V\u00e0i l\u1eddi c\u1ee7a ng\u01b0\u1eddi bi\u00ean t\u1eadp<\/strong>: ph\u1ea7n n\u1ed9i dung n\u00e0y gi\u00fap b\u1ea1n hi\u1ec3u h\u01a1n t\u1ea1i sao CDN l\u1ea1i gi\u00fap t\u1ed1c \u0111\u1ed9 tuy c\u1eadp website t\u1ed1t h\u01a1n, v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng qu\u00e1 t\u1ea3i c\u1ee7a n\u00f3.<\/p>\n\n\n\n


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Global Server Load Balancing (h\u1ec7 th\u1ed1ng c\u00e2n b\u1eb1ng t\u1ea3i m\u00e1y ch\u1ee7 to\u00e0n c\u1ea7u) hay GSLB l\u00e0 ho\u1ea1t \u0111\u1ed9ng ph\u00e2n ph\u1ed1i l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp Internet gi\u1eefa m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i ph\u00e2n t\u00e1n tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi. L\u1ee3i \u00edch c\u1ee7a GSLB bao g\u1ed3m t\u0103ng \u0111\u1ed9 tin c\u1eady (reliability) c\u0169ng nh\u01b0 gi\u1ea3m \u0111\u1ed9 tr\u1ec5 (latency).<\/p>\n\n\n\n

H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t c\u1eeda h\u00e0ng b\u00e1n gi\u00e0y qua th\u01b0 cho kh\u00e1ch h\u00e0ng tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi. N\u1ebfu c\u1eeda h\u00e0ng gi\u00e0y \u0111\u00f3 ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ed9t \u0111\u1ecba \u0111i\u1ec3m duy nh\u1ea5t, kh\u00e1ch h\u00e0ng \u1edf xa s\u1ebd m\u1ea5t m\u1ed9t kho\u1ea3ng th\u1eddi gian r\u1ea5t d\u00e0i \u0111\u1ec3 g\u1eedi \u0111\u01a1n h\u00e0ng v\u00e0 nh\u1eadn gi\u00e0y c\u1ee7a h\u1ecd. <\/p>\n\n\n\n

Trong nh\u1eefng m\u00f9a mua s\u1eafm b\u1eadn r\u1ed9n, c\u1eeda h\u00e0ng c\u00f3 th\u1ec3 b\u1ecb qu\u00e1 t\u1ea3i v\u1edbi c\u00e1c \u0111\u01a1n \u0111\u1eb7t h\u00e0ng v\u00e0 m\u1ea5t kh\u1ea3 n\u0103ng \u0111\u00e1p \u1ee9ng t\u1ea5t c\u1ea3 c\u00e1c \u0111\u01a1n \u0111\u1eb7t h\u00e0ng c\u1ee7a kh\u00e1ch h\u00e0ng m\u1ed9t c\u00e1ch nhanh ch\u00f3ng.<\/p>\n\n\n

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Qu\u00e1 t\u1ea3i!<\/figcaption><\/figure><\/div>\n\n\n

B\u00e2y gi\u1edd h\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng r\u1eb1ng c\u1eeda h\u00e0ng gi\u00e0y m\u1edf th\u00eam nhi\u1ec1u \u0111\u1ecba \u0111i\u1ec3m tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi.\u00a0\u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 \u0111\u1eb7t gi\u00e0y t\u1eeb m\u1ed9t \u0111\u1ecba \u0111i\u1ec3m g\u1ea7n \u0111\u00f3, gi\u1ea3m \u0111\u01b0\u1ee3c th\u1eddi gian v\u1eadn chuy\u1ec3n v\u00e0 gi\u1ea3m kh\u1ea3 n\u0103ng m\u1ed9t c\u1eeda h\u00e0ng b\u1ecb qu\u00e1 t\u1ea3i v\u1edbi nhi\u1ec1u \u0111\u01a1n \u0111\u1eb7t h\u00e0ng.\u00a0<\/p>\n\n\n\n

\u0110\u00e2y ch\u00ednh x\u00e1c l\u00e0 \u0111i\u1ec1u GSLB l\u00e0m cho c\u00e1c trang web v\u00e0 d\u1ecbch v\u1ee5, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng gi\u1ea3i ph\u00e1p c\u00e2n b\u1eb1ng t\u1ea3i<\/a> ph\u1ed5 bi\u1ebfn nh\u1ea5t cho c\u00e1c c\u00f4ng ty d\u1ef1a tr\u00ean ng\u01b0\u1eddi d\u00f9ng to\u00e0n c\u1ea7u.<\/p>\n\n\n\n


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C\u00e2n b\u1eb1ng t\u1ea3i l\u00e0 g\u00ec?<\/h2>\n\n\n\n

C\u00e2n b\u1eb1ng t\u1ea3i l\u00e0 ho\u1ea1t \u0111\u1ed9ng ph\u00e2n ph\u1ed1i l\u01b0u l\u01b0\u1ee3ng gi\u1eefa hai ho\u1eb7c nhi\u1ec1u m\u00e1y ch\u1ee7. M\u1ed9t s\u1ed1 k\u1ef9 thu\u1eadt c\u00e2n b\u1eb1ng t\u1ea3i s\u1eed d\u1ee5ng chi\u1ebfn l\u01b0\u1ee3c c\u00e2n b\u1eb1ng t\u1ea3i ‘kh\u1edd d\u1ea1i’, t\u1ee9c l\u00e0 ph\u00e2n ph\u1ed1i ng\u1eabu nhi\u00ean l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp. V\u00ed d\u1ee5 DNS round-robin, m\u1ed9t k\u1ef9 thu\u1eadt c\u00e2n b\u1eb1ng t\u1ea3i DNS ng\u1eabu nhi\u00ean, g\u1eedi t\u1eebng y\u00eau c\u1ea7u \u0111\u1ebfn m\u1ed9t m\u00e1y ch\u1ee7 kh\u00e1c v\u1edbi m\u00e1y ch\u1ee7 cu\u1ed1i c\u00f9ng. <\/p>\n\n\n\n

Ngo\u00e0i ra c\u00f2n c\u00f3 c\u00e1c k\u1ef9 thu\u1eadt c\u00e2n b\u1eb1ng t\u1ea3i ‘th\u00f4ng minh’, ph\u00e2n t\u00edch d\u1eef li\u1ec7u \u0111\u1ec3 quy\u1ebft \u0111\u1ecbnh \u0111\u00e2u l\u00e0 m\u00e1y ch\u1ee7 t\u1ed1t nh\u1ea5t \u0111\u1ec3 x\u1eed l\u00fd y\u00eau c\u1ea7u. V\u00ed d\u1ee5: b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn Anycast<\/a> ch\u1ecdn m\u1ed9t m\u00e1y ch\u1ee7 m\u1ed9t ph\u1ea7n d\u1ef1a tr\u00ean th\u1eddi gian di chuy\u1ec3n nhanh nh\u1ea5t gi\u1eefa m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7.<\/p>\n\n\n\n


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GSLB gi\u1ea3m \u0111\u1ed9 tr\u1ec5 nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n

Ngay c\u1ea3 tr\u01b0\u1edbc khi m\u00e1y ch\u1ee7 g\u1ed1c b\u1ecb qu\u00e1 t\u1ea3i d\u1eabn \u0111\u1ebfn kh\u00f4ng th\u1ec3 ho\u00e0n th\u00e0nh c\u00e1c y\u00eau c\u1ea7u, l\u01b0\u1ee3ng truy c\u1eadp cao \u0111\u1ebfn m\u00e1y ch\u1ee7 \u0111\u00f3 v\u1eabn c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111\u1ed9 tr\u1ec5 \u0111\u00e1ng k\u1ec3. H\u1ec7 th\u1ed1ng GSLB c\u00f3 th\u1ec3 ph\u00e2n ph\u1ed1i l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u00f3 gi\u1eefa m\u1ed9t s\u1ed1 v\u1ecb tr\u00ed kh\u00e1c nhau, \u0111\u1ea3m b\u1ea3o r\u1eb1ng kh\u00f4ng c\u00f3 v\u1ecb tr\u00ed n\u00e0o x\u1eed l\u00fd nhi\u1ec1u y\u00eau c\u1ea7u \u0111\u1ebfn m\u1ee9c g\u00e2y ra ch\u1eadm tr\u1ec5.<\/p>\n\n\n\n

Ngo\u00e0i ra, GSLB c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 th\u1eddi gian di chuy\u1ec3n c\u1ee7a y\u00eau c\u1ea7u v\u00e0 ph\u1ea3n h\u1ed3i gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u00e1y ch\u1ee7. N\u1ebfu ng\u01b0\u1eddi d\u00f9ng \u1edf Los Angeles v\u00e0 h\u1ecd \u0111ang s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 web v\u1edbi m\u00e1y ch\u1ee7 g\u1ed1c \u0111\u1eb7t t\u1ea1i Paris, th\u00ec c\u1ea3 y\u00eau c\u1ea7u v\u00e0 ph\u1ea3n h\u1ed3i s\u1ebd ph\u1ea3i di chuy\u1ec3n m\u1ed9t kho\u1ea3ng c\u00e1ch r\u1ea5t xa, \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c \u0111o\u1ea1n di chuy\u1ec3n nh\u1ecf h\u01a1n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ‘b\u01b0\u1edbc nh\u1ea3y \/ hops’. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 ch\u1eadm tr\u1ec5 \u0111\u00e1ng k\u1ec3 trong th\u1eddi gian t\u1ea3i (load time).<\/p>\n\n\n\n

S\u1eed d\u1ee5ng GSLB, t\u1ee9c l\u00e0 m\u1ed9t nh\u00f3m m\u00e1y ch\u1ee7 tr\u00ean to\u00e0n th\u1ebf gi\u1edbi gi\u00fap \u0111\u1ea3m b\u1ea3o r\u1eb1ng: m\u1ed7i ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi m\u1ed9t m\u00e1y ch\u1ee7 g\u1ea7n h\u1ecd v\u1ec1 m\u1eb7t \u0111\u1ecba l\u00fd, gi\u1ea3m thi\u1ec3u s\u1ed1 b\u01b0\u1edbc nh\u1ea3y v\u00e0 th\u1eddi gian di chuy\u1ec3n. <\/p>\n\n\n\n

Trong v\u00ed d\u1ee5 tr\u00ean, n\u1ebfu c\u00f4ng ty \u0111\u1eb7t tr\u1ee5 s\u1edf t\u1ea1i Paris \u0111\u00e3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng GSLB, ng\u01b0\u1eddi d\u00f9ng Los Angeles c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i \u0111\u1ebfn m\u1ed9t m\u00e1y ch\u1ee7 trong v\u00f2ng 100 km t\u00ednh t\u1eeb v\u1ecb tr\u00ed c\u1ee7a h\u1ecd, d\u1eabn \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng nhanh h\u01a1n.<\/p>\n\n\n\n


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L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 b\u1eadt GSLB?<\/h2>\n\n\n\n

M\u1ed9t trong nh\u1eefng c\u00e1ch d\u1ec5 d\u00e0ng nh\u1ea5t v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed nh\u1ea5t \u0111\u1ec3 tri\u1ec3n khai GSLB l\u00e0 th\u00f4ng qua M\u1ea1ng ph\u00e2n ph\u1ed1i n\u1ed9i dung (CDN)<\/a>, ch\u1eb3ng h\u1ea1n nh\u01b0 Cloudflare CDN. <\/p>\n\n\n\n

D\u1ecbch v\u1ee5 CDN to\u00e0n c\u1ea7u s\u1ebd l\u1ea5y d\u1eef li\u1ec7u t\u1eeb m\u00e1y ch\u1ee7 g\u1ed1c c\u1ee7a kh\u00e1ch h\u00e0ng v\u00e0 l\u01b0u v\u00e0o b\u1ed9 nh\u1edb cache tr\u00ean m\u1ea1ng m\u00e1y ch\u1ee7 ph\u00e2n t\u00e1n theo \u0111\u1ecba l\u00fd<\/a>, cung c\u1ea5p n\u1ed9i dung Internet nhanh ch\u00f3ng v\u00e0 \u0111\u00e1ng tin c\u1eady h\u01a1n cho ng\u01b0\u1eddi d\u00f9ng tr\u00ean to\u00e0n th\u1ebf gi\u1edbi.<\/p>\n\n\n\n

(D\u1ecbch t\u1eeb b\u00e0i vi\u1ebft: What Is GSLB? Load Balancing Explained c\u1ee7a Cloudflare<\/a>)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

V\u00e0i l\u1eddi c\u1ee7a ng\u01b0\u1eddi bi\u00ean t\u1eadp: ph\u1ea7n n\u1ed9i dung n\u00e0y gi\u00fap b\u1ea1n hi\u1ec3u h\u01a1n t\u1ea1i sao CDN l\u1ea1i gi\u00fap t\u1ed1c \u0111\u1ed9 tuy c\u1eadp website t\u1ed1t h\u01a1n, v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng qu\u00e1 t\u1ea3i c\u1ee7a n\u00f3. Global Server Load Balancing (h\u1ec7 th\u1ed1ng c\u00e2n b\u1eb1ng t\u1ea3i m\u00e1y ch\u1ee7 to\u00e0n c\u1ea7u) hay GSLB l\u00e0 ho\u1ea1t \u0111\u1ed9ng ph\u00e2n ph\u1ed1i l\u01b0u …<\/p>\n","protected":false},"author":1,"featured_media":24709,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[252],"tags":[],"yoast_head":"\nGlobal Server Load Balancing hay GSLB l\u00e0 g\u00ec? • Ki\u1ebfn c\u00e0ng<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kiencang.net\/global-server-load-balancing\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Global Server Load Balancing hay GSLB l\u00e0 g\u00ec? • Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"og:description\" content=\"V\u00e0i l\u1eddi c\u1ee7a ng\u01b0\u1eddi bi\u00ean t\u1eadp: ph\u1ea7n n\u1ed9i dung n\u00e0y gi\u00fap b\u1ea1n hi\u1ec3u h\u01a1n t\u1ea1i sao CDN l\u1ea1i gi\u00fap t\u1ed1c \u0111\u1ed9 tuy c\u1eadp website t\u1ed1t h\u01a1n, v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng qu\u00e1 t\u1ea3i c\u1ee7a n\u00f3. Global Server Load Balancing (h\u1ec7 th\u1ed1ng c\u00e2n b\u1eb1ng t\u1ea3i m\u00e1y ch\u1ee7 to\u00e0n c\u1ea7u) hay GSLB l\u00e0 ho\u1ea1t \u0111\u1ed9ng ph\u00e2n ph\u1ed1i l\u01b0u …\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kiencang.net\/global-server-load-balancing\/\" \/>\n<meta property=\"og:site_name\" content=\"Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/anhducnguyen87\/\" \/>\n<meta property=\"article:published_time\" content=\"2021-12-23T10:18:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-08-31T15:40:45+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/12\/can-bang-tai.png\" \/>\n\t<meta property=\"og:image:width\" content=\"750\" \/>\n\t<meta property=\"og:image:height\" content=\"392\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Nguy\u1ec5n \u0110\u1ee9c Anh\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nguy\u1ec5n \u0110\u1ee9c Anh\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 ph\u00fat\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Global Server Load Balancing hay GSLB l\u00e0 g\u00ec? • Ki\u1ebfn c\u00e0ng","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/kiencang.net\/global-server-load-balancing\/","og_locale":"vi_VN","og_type":"article","og_title":"Global Server Load Balancing hay GSLB l\u00e0 g\u00ec? • Ki\u1ebfn c\u00e0ng","og_description":"V\u00e0i l\u1eddi c\u1ee7a ng\u01b0\u1eddi bi\u00ean t\u1eadp: ph\u1ea7n n\u1ed9i dung n\u00e0y gi\u00fap b\u1ea1n hi\u1ec3u h\u01a1n t\u1ea1i sao CDN l\u1ea1i gi\u00fap t\u1ed1c \u0111\u1ed9 tuy c\u1eadp website t\u1ed1t h\u01a1n, v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng qu\u00e1 t\u1ea3i c\u1ee7a n\u00f3. 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