{"id":479678,"date":"2023-08-09T10:43:25","date_gmt":"2023-08-09T10:43:25","guid":{"rendered":""},"modified":"2023-09-05T11:19:22","modified_gmt":"2023-09-05T11:19:22","slug":"windowing","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/windowing\/","title":{"rendered":"C\u1eeda s\u1ed5"},"content":{"rendered":"<p>Windowing l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c m\u1ea1ng truy\u1ec1n th\u00f4ng, bao g\u1ed3m c\u1ea3 m\u00e1y ch\u1ee7 proxy. N\u00f3 cho ph\u00e9p trao \u0111\u1ed5i d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3 gi\u1eefa hai \u0111i\u1ec3m cu\u1ed1i b\u1eb1ng c\u00e1ch ki\u1ec3m so\u00e1t lu\u1ed3ng g\u00f3i trong k\u00eanh li\u00ean l\u1ea1c hai chi\u1ec1u. C\u1eeda s\u1ed5 \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong c\u00e1c t\u00ecnh hu\u1ed1ng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 v\u1ec1 t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd ho\u1eb7c b\u0103ng th\u00f4ng m\u1ea1ng gi\u1eefa ng\u01b0\u1eddi g\u1eedi v\u00e0 ng\u01b0\u1eddi nh\u1eadn.<\/p>\n<h2>L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a Windowing v\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn n\u00f3<\/h2>\n<p>Kh\u00e1i ni\u1ec7m C\u1eeda s\u1ed5 trong truy\u1ec1n d\u1eef li\u1ec7u c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb nh\u1eefng ng\u00e0y \u0111\u1ea7u c\u1ee7a m\u1ea1ng m\u00e1y t\u00ednh v\u00e0 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a Giao th\u1ee9c \u0111i\u1ec1u khi\u1ec3n truy\u1ec1n d\u1eabn (TCP). TCP, m\u1ed9t trong nh\u1eefng giao th\u1ee9c c\u1ed1t l\u00f5i c\u1ee7a Internet, \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t l\u1ea7n \u0111\u1ea7u ti\u00ean b\u1edfi Vinton Cerf v\u00e0 Bob Kahn v\u00e0o n\u0103m 1974. \u0110\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean v\u1ec1 Windowing c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a TCP \u0111\u01b0\u1ee3c n\u00eau trong RFC 793, xu\u1ea5t b\u1ea3n v\u00e0o th\u00e1ng 9 n\u0103m 1981.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 Windowing. M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1 C\u1eeda s\u1ed5<\/h2>\n<p>Trong truy\u1ec1n d\u1eef li\u1ec7u, Windowing d\u1ef1a tr\u00ean vi\u1ec7c s\u1eed d\u1ee5ng c\u01a1 ch\u1ebf c\u1eeda s\u1ed5 tr\u01b0\u1ee3t. Ng\u01b0\u1eddi g\u1eedi chia d\u1eef li\u1ec7u th\u00e0nh c\u00e1c ph\u00e2n \u0111o\u1ea1n nh\u1ecf h\u01a1n g\u1ecdi l\u00e0 \u201cg\u00f3i\u201d v\u00e0 g\u00e1n s\u1ed1 th\u1ee9 t\u1ef1 cho m\u1ed7i g\u00f3i. Ng\u01b0\u1eddi nh\u1eadn x\u00e1c nh\u1eadn vi\u1ec7c nh\u1eadn c\u00e1c g\u00f3i n\u00e0y b\u1eb1ng c\u00e1ch g\u1eedi l\u1ea1i c\u00e1c g\u00f3i x\u00e1c nh\u1eadn (ACK) ch\u1ee9a s\u1ed1 th\u1ee9 t\u1ef1 c\u1ee7a c\u00e1c g\u00f3i \u0111\u00e3 nh\u1eadn.<\/p>\n<p>K\u00edch th\u01b0\u1edbc c\u1ee7a c\u1eeda s\u1ed5, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201ck\u00edch th\u01b0\u1edbc c\u1eeda s\u1ed5\u201d ho\u1eb7c \u201cc\u1eeda s\u1ed5 t\u1eafc ngh\u1ebdn\u201d, x\u00e1c \u0111\u1ecbnh s\u1ed1 l\u01b0\u1ee3ng g\u00f3i tin ch\u01b0a \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn m\u00e0 ng\u01b0\u1eddi g\u1eedi c\u00f3 th\u1ec3 g\u1eedi tr\u01b0\u1edbc khi ch\u1edd ACK. K\u00edch th\u01b0\u1edbc c\u1eeda s\u1ed5 n\u00e0y c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n m\u1ea1ng, cho ph\u00e9p ki\u1ec3m so\u00e1t lu\u1ed3ng d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3.<\/p>\n<p>C\u1eeda s\u1ed5 ph\u1ee5c v\u1ee5 m\u1ed9t s\u1ed1 m\u1ee5c \u0111\u00edch thi\u1ebft y\u1ebfu:<\/p>\n<ol>\n<li>\n<p><strong>Ki\u1ec3m so\u00e1t l\u01b0u l\u01b0\u1ee3ng<\/strong>: N\u00f3 ng\u0103n ch\u1eb7n vi\u1ec7c ng\u01b0\u1eddi g\u1eedi l\u00e0m tr\u00e0n ng\u1eadp d\u1eef li\u1ec7u c\u1ee7a ng\u01b0\u1eddi nh\u1eadn b\u1eb1ng c\u00e1ch gi\u1edbi h\u1ea1n s\u1ed1 l\u01b0\u1ee3ng g\u00f3i kh\u00f4ng \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn trong qu\u00e1 tr\u00ecnh truy\u1ec1n.<\/p>\n<\/li>\n<li>\n<p><strong>\u0110i\u1ec1u khi\u1ec3n t\u1eafc ngh\u1ebdn<\/strong>: B\u1eb1ng c\u00e1ch t\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh k\u00edch th\u01b0\u1edbc c\u1eeda s\u1ed5, Windowing gi\u00fap tr\u00e1nh t\u1eafc ngh\u1ebdn m\u1ea1ng v\u00e0 \u0111\u1ea3m b\u1ea3o ph\u00e2n b\u1ed5 t\u00e0i nguy\u00ean h\u1ee3p l\u00fd.<\/p>\n<\/li>\n<li>\n<p><strong>Kh\u00f4i ph\u1ee5c l\u1ed7i<\/strong>: Khi c\u00e1c g\u00f3i b\u1ecb m\u1ea5t ho\u1eb7c b\u1ecb h\u1ecfng trong qu\u00e1 tr\u00ecnh truy\u1ec1n, ng\u01b0\u1eddi nh\u1eadn c\u00f3 th\u1ec3 y\u00eau c\u1ea7u truy\u1ec1n l\u1ea1i c\u00e1c g\u00f3i c\u1ee5 th\u1ec3 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng x\u00e1c nh\u1eadn c\u00f3 ch\u1ecdn l\u1ecdc (SACK).<\/p>\n<\/li>\n<\/ol>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a Windowing. C\u1eeda s\u1ed5 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n<p>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a Windowing c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c h\u00ecnh dung nh\u01b0 m\u1ed9t c\u1eeda s\u1ed5 chuy\u1ec3n \u0111\u1ed9ng tr\u01b0\u1ee3t qua s\u1ed1 th\u1ee9 t\u1ef1 c\u1ee7a c\u00e1c g\u00f3i. Ng\u01b0\u1eddi g\u1eedi duy tr\u00ec hai con tr\u1ecf: \u201ccon tr\u1ecf c\u1eeda s\u1ed5 g\u1eedi\u201d v\u00e0 \u201ccon tr\u1ecf c\u1eeda s\u1ed5 x\u00e1c nh\u1eadn\u201d.<\/p>\n<ol>\n<li>\n<p><strong>G\u1eedi con tr\u1ecf c\u1eeda s\u1ed5<\/strong>: N\u00f3 tr\u1ecf \u0111\u1ebfn g\u00f3i cu\u1ed1i c\u00f9ng \u0111\u01b0\u1ee3c g\u1eedi b\u1edfi ng\u01b0\u1eddi g\u1eedi nh\u01b0ng ch\u01b0a \u0111\u01b0\u1ee3c ng\u01b0\u1eddi nh\u1eadn x\u00e1c nh\u1eadn.<\/p>\n<\/li>\n<li>\n<p><strong>Con tr\u1ecf c\u1eeda s\u1ed5 x\u00e1c nh\u1eadn<\/strong>: N\u00f3 tr\u1ecf \u0111\u1ebfn g\u00f3i cu\u1ed1i c\u00f9ng \u0111\u01b0\u1ee3c ng\u01b0\u1eddi nh\u1eadn nh\u1eadn v\u00e0 x\u00e1c nh\u1eadn.<\/p>\n<\/li>\n<\/ol>\n<p>Khi c\u00e1c g\u00f3i \u0111\u01b0\u1ee3c g\u1eedi v\u00e0 x\u00e1c nh\u1eadn, c\u1eeda s\u1ed5 s\u1ebd tr\u01b0\u1ee3t v\u1ec1 ph\u00eda tr\u01b0\u1edbc v\u00e0 ng\u01b0\u1eddi g\u1eedi c\u00f3 th\u1ec3 g\u1eedi c\u00e1c g\u00f3i m\u1edbi trong ph\u1ea1m vi c\u1eeda s\u1ed5 hi\u1ec7n t\u1ea1i. N\u1ebfu con tr\u1ecf c\u1eeda s\u1ed5 x\u00e1c nh\u1eadn \u201cb\u1eaft k\u1ecbp\u201d con tr\u1ecf c\u1eeda s\u1ed5 g\u1eedi, ng\u01b0\u1eddi g\u1eedi c\u00f3 th\u1ec3 t\u0103ng k\u00edch th\u01b0\u1edbc c\u1eeda s\u1ed5, cho ph\u00e9p t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u cao h\u01a1n.<\/p>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a Windowing<\/h2>\n<p>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a Windowing bao g\u1ed3m:<\/p>\n<ol>\n<li>\n<p><strong>Truy\u1ec1n th\u00edch \u1ee9ng<\/strong>: C\u1eeda s\u1ed5 cho ph\u00e9p ng\u01b0\u1eddi g\u1eedi \u0111i\u1ec1u ch\u1ec9nh t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n m\u1ea1ng v\u00e0 kh\u1ea3 n\u0103ng c\u1ee7a ng\u01b0\u1eddi nh\u1eadn.<\/p>\n<\/li>\n<li>\n<p><strong>S\u1eed d\u1ee5ng b\u0103ng th\u00f4ng hi\u1ec7u qu\u1ea3<\/strong>: B\u1eb1ng c\u00e1ch ki\u1ec3m so\u00e1t lu\u1ed3ng d\u1eef li\u1ec7u, Windowing \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u0103ng th\u00f4ng s\u1eb5n c\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3, tr\u00e1nh t\u00ecnh tr\u1ea1ng s\u1eed d\u1ee5ng kh\u00f4ng \u0111\u00fang m\u1ee9c v\u00e0 t\u1eafc ngh\u1ebdn.<\/p>\n<\/li>\n<li>\n<p><strong>Truy\u1ec1n l\u1ea1i c\u00f3 ch\u1ecdn l\u1ecdc<\/strong>: V\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng x\u00e1c nh\u1eadn c\u00f3 ch\u1ecdn l\u1ecdc (SACK), Windowing cho ph\u00e9p ng\u01b0\u1eddi g\u1eedi ch\u1ec9 truy\u1ec1n l\u1ea1i c\u00e1c g\u00f3i b\u1ecb m\u1ea5t ho\u1eb7c b\u1ecb h\u1ecfng, gi\u1ea3m vi\u1ec7c truy\u1ec1n l\u1ea1i kh\u00f4ng c\u1ea7n thi\u1ebft v\u00e0 b\u1ea3o t\u1ed3n t\u00e0i nguy\u00ean m\u1ea1ng.<\/p>\n<\/li>\n<li>\n<p><strong>\u0110ang \u0111\u1ec7m<\/strong>: Windowing y\u00eau c\u1ea7u ng\u01b0\u1eddi g\u1eedi v\u00e0 ng\u01b0\u1eddi nh\u1eadn duy tr\u00ec b\u1ed9 \u0111\u1ec7m \u0111\u1ec3 l\u01b0u tr\u1eef v\u00e0 s\u1eafp x\u1ebfp l\u1ea1i c\u00e1c g\u00f3i kh\u00f4ng theo th\u1ee9 t\u1ef1, \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u v\u00e0 t\u00e1i thi\u1ebft ch\u00ednh x\u00e1c.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c lo\u1ea1i c\u1eeda s\u1ed5<\/h2>\n<p>C\u00e1c k\u1ef9 thu\u1eadt t\u1ea1o c\u1eeda s\u1ed5 c\u00f3 th\u1ec3 kh\u00e1c nhau t\u00f9y theo c\u00e1ch tri\u1ec3n khai v\u00e0 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u1ee5 th\u1ec3 c\u1ee7a ch\u00fang. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i Windowing ph\u1ed5 bi\u1ebfn:<\/p>\n<table>\n<thead>\n<tr>\n<th><strong>Ki\u1ec3u<\/strong><\/th>\n<th><strong>S\u1ef1 mi\u00eau t\u1ea3<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>C\u1eeda s\u1ed5 c\u1ed1 \u0111\u1ecbnh<\/strong><\/td>\n<td>K\u00edch th\u01b0\u1edbc c\u1eeda s\u1ed5 kh\u00f4ng \u0111\u1ed5i trong su\u1ed1t qu\u00e1 tr\u00ecnh truy\u1ec1n d\u1eef li\u1ec7u.<\/td>\n<\/tr>\n<tr>\n<td><strong>C\u1eeda s\u1ed5 tr\u01b0\u1ee3t<\/strong><\/td>\n<td>K\u00edch th\u01b0\u1edbc c\u1eeda s\u1ed5 t\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n m\u1ea1ng v\u00e0 m\u1ee9c \u0111\u1ed9 t\u1eafc ngh\u1ebdn.<\/td>\n<\/tr>\n<tr>\n<td><strong>L\u1eb7p l\u1ea1i c\u00f3 ch\u1ecdn l\u1ecdc<\/strong><\/td>\n<td>Ng\u01b0\u1eddi nh\u1eadn x\u00e1c nh\u1eadn ri\u00eang t\u1eebng g\u00f3i \u0111\u00e3 nh\u1eadn, cho ph\u00e9p truy\u1ec1n l\u1ea1i c\u00f3 ch\u1ecdn l\u1ecdc c\u00e1c g\u00f3i b\u1ecb m\u1ea5t.<\/td>\n<\/tr>\n<tr>\n<td><strong>Quay l\u1ea1i-N<\/strong><\/td>\n<td>N\u1ebfu m\u1ed9t g\u00f3i b\u1ecb m\u1ea5t, t\u1ea5t c\u1ea3 c\u00e1c g\u00f3i kh\u00f4ng \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn ti\u1ebfp theo s\u1ebd \u0111\u01b0\u1ee3c truy\u1ec1n l\u1ea1i.<\/td>\n<\/tr>\n<tr>\n<td><strong>D\u1eebng l\u1ea1i v\u00e0 ch\u1edd \u0111\u1ee3i<\/strong><\/td>\n<td>M\u1ed7i g\u00f3i \u0111\u01b0\u1ee3c g\u1eedi ri\u00eang l\u1ebb v\u00e0 ng\u01b0\u1eddi g\u1eedi ch\u1edd x\u00e1c nh\u1eadn tr\u01b0\u1edbc khi g\u1eedi g\u00f3i ti\u1ebfp theo.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng Windowing, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng<\/h2>\n<p>Windowing \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c t\u00ecnh hu\u1ed1ng giao ti\u1ebfp m\u1ea1ng kh\u00e1c nhau, bao g\u1ed3m duy\u1ec7t web, truy\u1ec1n t\u1ec7p, truy\u1ec1n ph\u00e1t video, v.v. Tuy nhi\u00ean, c\u00f3 m\u1ed9t s\u1ed1 th\u00e1ch th\u1ee9c li\u00ean quan \u0111\u1ebfn Windowing:<\/p>\n<ol>\n<li>\n<p><strong>\u0110\u1ed9 tr\u1ec5<\/strong>: K\u00edch th\u01b0\u1edbc c\u1eeda s\u1ed5 l\u1edbn h\u01a1n c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn \u0111\u1ed9 tr\u1ec5 t\u0103ng l\u00ean, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c m\u1ea1ng c\u00f3 \u0111\u1ed9 tr\u1ec5 cao. C\u00e1c gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a k\u00edch th\u01b0\u1edbc c\u1eeda s\u1ed5 v\u00e0 s\u1eed d\u1ee5ng c\u00e1c thu\u1eadt to\u00e1n ki\u1ec3m so\u00e1t t\u1eafc ngh\u1ebdn nh\u01b0 \u0111i\u1ec1u khi\u1ec3n c\u1eeda s\u1ed5 t\u1eafc ngh\u1ebdn c\u1ee7a TCP.<\/p>\n<\/li>\n<li>\n<p><strong>Giao h\u00e0ng kh\u00f4ng theo \u0111\u01a1n \u0111\u1eb7t h\u00e0ng<\/strong>: \u0110i\u1ec1u ki\u1ec7n m\u1ea1ng c\u00f3 th\u1ec3 khi\u1ebfn c\u00e1c g\u00f3i \u0111\u1ebfn ng\u01b0\u1eddi nh\u1eadn kh\u00f4ng theo th\u1ee9 t\u1ef1. Gi\u1ea3i ph\u00e1p bao g\u1ed3m c\u00e1c k\u1ef9 thu\u1eadt s\u1eafp x\u1ebfp l\u1ea1i g\u00f3i tin \u1edf ph\u00eda ng\u01b0\u1eddi nh\u1eadn.<\/p>\n<\/li>\n<li>\n<p><strong>L\u1ef1a ch\u1ecdn k\u00edch th\u01b0\u1edbc c\u1eeda s\u1ed5<\/strong>: Vi\u1ec7c ch\u1ecdn k\u00edch th\u01b0\u1edbc c\u1eeda s\u1ed5 t\u1ed1i \u01b0u l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3. C\u00e1c thu\u1eadt to\u00e1n nh\u01b0 Slow-Start c\u1ee7a TCP gi\u00fap x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc c\u1eeda s\u1ed5 ban \u0111\u1ea7u th\u00edch h\u1ee3p.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh kh\u00e1c v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n<table>\n<thead>\n<tr>\n<th><strong>\u0111\u1eb7c tr\u01b0ng<\/strong><\/th>\n<th><strong>So s\u00e1nh v\u1edbi Go-Back-N<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Hi\u1ec7u su\u1ea5t truy\u1ec1n l\u1ea1i<\/strong><\/td>\n<td>Hi\u1ec7u qu\u1ea3 h\u01a1n, ch\u1ec9 truy\u1ec1n l\u1ea1i c\u00e1c g\u00f3i b\u1ecb m\u1ea5t (SACK).<\/td>\n<\/tr>\n<tr>\n<td><strong>Y\u00eau c\u1ea7u v\u1ec1 b\u1ed9 \u0111\u1ec7m<\/strong><\/td>\n<td>Y\u00eau c\u1ea7u b\u1ed9 \u0111\u1ec7m l\u1edbn h\u01a1n cho c\u00e1c g\u00f3i kh\u00f4ng theo th\u1ee9 t\u1ef1.<\/td>\n<\/tr>\n<tr>\n<td><strong>S\u1eed d\u1ee5ng m\u1ea1ng<\/strong><\/td>\n<td>Hi\u1ec7u qu\u1ea3 h\u01a1n do truy\u1ec1n l\u1ea1i c\u00f3 ch\u1ecdn l\u1ecdc.<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110\u1ed9 ph\u1ee9c t\u1ea1p<\/strong><\/td>\n<td>Cao h\u01a1n m\u1ed9t ch\u00fat do s\u1ef1 th\u1eeba nh\u1eadn c\u00f3 ch\u1ecdn l\u1ecdc.<\/td>\n<\/tr>\n<tr>\n<td><strong>Th\u00f4ng l\u01b0\u1ee3ng<\/strong><\/td>\n<td>C\u00f3 kh\u1ea3 n\u0103ng cao h\u01a1n do k\u00edch th\u01b0\u1edbc c\u1eeda s\u1ed5 th\u00edch \u1ee9ng.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn Windowing<\/h2>\n<p>Khi c\u00e1c m\u1ea1ng ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, Windowing c\u00f3 th\u1ec3 s\u1ebd tr\u1ea3i qua nh\u1eefng ti\u1ebfn b\u1ed9 h\u01a1n n\u1eefa \u0111\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng th\u00e1ch th\u1ee9c do c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi n\u1ed5i \u0111\u1eb7t ra. M\u1ed9t s\u1ed1 ph\u00e1t tri\u1ec3n ti\u1ec1m n\u0103ng trong t\u01b0\u01a1ng lai bao g\u1ed3m:<\/p>\n<ol>\n<li>\n<p><strong>Ki\u1ec3m so\u00e1t t\u1eafc ngh\u1ebdn d\u1ef1a tr\u00ean h\u1ecdc m\u00e1y<\/strong>: K\u1ef9 thu\u1eadt AI v\u00e0 m\u00e1y h\u1ecdc c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c l\u1ef1a ch\u1ecdn k\u00edch th\u01b0\u1edbc c\u1eeda s\u1ed5 v\u00e0 ki\u1ec3m so\u00e1t t\u1eafc ngh\u1ebdn, d\u1eabn \u0111\u1ebfn c\u00e1c c\u01a1 ch\u1ebf c\u1eeda s\u1ed5 th\u00edch \u1ee9ng v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n<\/li>\n<li>\n<p><strong>C\u1eeda s\u1ed5 \u0111a \u0111\u01b0\u1eddng<\/strong>: V\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng ng\u00e0y c\u00e0ng nhi\u1ec1u \u0111\u01b0\u1eddng truy\u1ec1n \u0111a \u0111\u01b0\u1eddng trong c\u00e1c m\u1ea1ng hi\u1ec7n \u0111\u1ea1i, c\u00e1c giao th\u1ee9c Windowing trong t\u01b0\u01a1ng lai c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng nhi\u1ec1u \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady.<\/p>\n<\/li>\n<li>\n<p><strong>IoT v\u00e0 c\u1eeda s\u1ed5<\/strong>: Khi Internet v\u1ea1n v\u1eadt (IoT) ph\u00e1t tri\u1ec3n, c\u00e1c k\u1ef9 thu\u1eadt Windowing m\u1edbi c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u ri\u00eang c\u1ee7a thi\u1ebft b\u1ecb IoT, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng th\u1ea5p v\u00e0 t\u00e0i nguy\u00ean h\u1ea1n ch\u1ebf.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi Windowing<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c n\u00e2ng cao hi\u1ec7u su\u1ea5t v\u00e0 b\u1ea3o m\u1eadt c\u1ee7a truy\u1ec1n th\u00f4ng internet. C\u1eeda s\u1ed5 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 c\u00f9ng v\u1edbi m\u00e1y ch\u1ee7 proxy \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u gi\u1eefa m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7. B\u1eb1ng c\u00e1ch ki\u1ec3m so\u00e1t lu\u1ed3ng d\u1eef li\u1ec7u th\u00f4ng qua proxy, c\u1eeda s\u1ed5 gi\u00fap qu\u1ea3n l\u00fd vi\u1ec7c s\u1eed d\u1ee5ng b\u0103ng th\u00f4ng v\u00e0 gi\u1ea3m thi\u1ec3u \u0111\u1ed9 tr\u1ec5, t\u1eeb \u0111\u00f3 c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m t\u1ed5ng th\u1ec3 c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<p>M\u00e1y ch\u1ee7 proxy c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u1eeda s\u1ed5 \u0111\u1ec3 x\u1eed l\u00fd t\u1eafc ngh\u1ebdn v\u00e0 ph\u00e2n ph\u1ed1i t\u00e0i nguy\u00ean hi\u1ec7u qu\u1ea3 cho nhi\u1ec1u m\u00e1y kh\u00e1ch c\u00f9ng m\u1ed9t l\u00fac. Kh\u1ea3 n\u0103ng n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 cung c\u1ea5p m\u00e1y ch\u1ee7 proxy nh\u01b0 OneProxy (oneproxy.pro) v\u00ec n\u00f3 cho ph\u00e9p h\u1ecd cung c\u1ea5p c\u00e1c d\u1ecbch v\u1ee5 proxy li\u1ec1n m\u1ea1ch v\u00e0 hi\u1ec7u su\u1ea5t cao cho kh\u00e1ch h\u00e0ng c\u1ee7a m\u00ecnh.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 Windowing, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n<ul>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc793\" target=\"_new\" rel=\"noopener nofollow\">RFC 793: Giao th\u1ee9c \u0111i\u1ec1u khi\u1ec3n truy\u1ec1n d\u1eabn<\/a><\/li>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc2018\" target=\"_new\" rel=\"noopener nofollow\">RFC 2018: T\u00f9y ch\u1ecdn x\u00e1c nh\u1eadn c\u00f3 ch\u1ecdn l\u1ecdc TCP<\/a><\/li>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc2581\" target=\"_new\" rel=\"noopener nofollow\">RFC 2581: Ki\u1ec3m so\u00e1t t\u1eafc ngh\u1ebdn TCP<\/a><\/li>\n<li><a href=\"https:\/\/www.multipath-tcp.org\/\" target=\"_new\" rel=\"noopener nofollow\">TCP \u0111a \u0111\u01b0\u1eddng<\/a><\/li>\n<\/ul>","protected":false},"featured_media":479679,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-479678","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Windowing: Enhancing Proxy Server Performance<\/mark>","faq_items":[{"question":"What is Windowing and how does it enhance proxy server performance?","answer":"<p>Windowing is a data transmission technique used to optimize communication networks, including proxy servers. It controls the flow of data between two endpoints, allowing for efficient exchange and improving performance. With Windowing, proxy servers can manage bandwidth usage, minimize latency, and deliver a smoother browsing experience for users.<\/p>"},{"question":"When and where was Windowing first introduced?","answer":"<p>The concept of Windowing can be traced back to the early days of computer networking and the development of the Transmission Control Protocol (TCP). It was first mentioned in the specifications of TCP outlined in RFC 793, published in September 1981.<\/p>"},{"question":"What are the key features of Windowing?","answer":"<p>The key features of Windowing include adaptive transmission, efficient bandwidth utilization, selective retransmission for error recovery, and the need for buffering to maintain data integrity and order.<\/p>"},{"question":"What types of Windowing techniques exist?","answer":"<p>Several types of Windowing techniques are commonly used:<\/p><ol><li>Fixed Window: The window size remains constant throughout data transmission.<\/li><li>Sliding Window: The window size dynamically adjusts based on network conditions and congestion levels.<\/li><li>Selective Repeat: Allows selective retransmission of lost packets based on individual acknowledgments.<\/li><li>Go-Back-N: Retransmits subsequent unacknowledged packets if one packet is lost.<\/li><li>Stop-and-Wait: Each packet is individually sent, and the sender waits for acknowledgment before sending the next packet.<\/li><\/ol>"},{"question":"How can Windowing be used in conjunction with proxy servers?","answer":"<p>Proxy servers can leverage Windowing to optimize data transmission between clients and servers. By controlling data flow, Windowing helps manage bandwidth usage, reduce latency, and ensure a smoother browsing experience for users. Proxy server providers like OneProxy can deliver seamless and high-performance services using this technique.<\/p>"},{"question":"What are the challenges associated with Windowing?","answer":"<p>Some challenges related to Windowing include latency, out-of-order delivery of packets, and selecting an optimal window size. Solutions involve optimizing the window size, implementing packet reordering techniques, and using congestion control algorithms like TCP's congestion window control.<\/p>"},{"question":"What are the future perspectives and technologies related to Windowing?","answer":"<p>The future of Windowing may see advancements in machine learning-based congestion control, multipath Windowing to take advantage of multiple transmission paths, and tailored Windowing techniques for the Internet of Things (IoT) devices with constrained resources.<\/p>"},{"question":"Where can I find more information about Windowing?","answer":"<p>For more in-depth knowledge about Windowing, you can refer to the following resources:<\/p><ul><li>RFC 793: Transmission Control Protocol<\/li><li>RFC 2018: TCP Selective Acknowledgment Options<\/li><li>RFC 2581: TCP Congestion Control<\/li><li>Multipath TCP website (<a href=\"https:\/\/www.multipath-tcp.org\/\" target=\"_new\">https:\/\/www.multipath-tcp.org\/<\/a>)<\/li><\/ul>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/479678","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/479678\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/479679"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=479678"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}