{"id":476401,"date":"2023-08-09T07:29:55","date_gmt":"2023-08-09T07:29:55","guid":{"rendered":""},"modified":"2023-09-05T11:12:41","modified_gmt":"2023-09-05T11:12:41","slug":"connection-oriented-protocol","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/connection-oriented-protocol\/","title":{"rendered":"Giao th\u1ee9c h\u01b0\u1edbng k\u1ebft n\u1ed1i"},"content":{"rendered":"<p>C\u00e1c giao th\u1ee9c h\u01b0\u1edbng k\u1ebft n\u1ed1i \u0111\u1ea1i di\u1ec7n cho m\u1ed9t l\u1edbp giao th\u1ee9c truy\u1ec1n th\u00f4ng quan tr\u1ecdng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c m\u1ea1ng d\u1eef li\u1ec7u. B\u1ea3n ch\u1ea5t c\u1ee7a c\u00e1c giao th\u1ee9c n\u00e0y n\u1eb1m \u1edf ph\u01b0\u01a1ng ph\u00e1p lu\u1eadn c\u1ee7a ch\u00fang, bao g\u1ed3m vi\u1ec7c thi\u1ebft l\u1eadp m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn li\u00ean l\u1ea1c chuy\u00ean d\u1ee5ng ho\u1eb7c &#039;k\u1ebft n\u1ed1i&#039; tr\u01b0\u1edbc khi b\u1ea5t k\u1ef3 trao \u0111\u1ed5i d\u1eef li\u1ec7u n\u00e0o di\u1ec5n ra.<\/p>\n<h2>Ngu\u1ed3n g\u1ed1c v\u00e0 tri\u1ec3n khai s\u1edbm<\/h2>\n<p>Kh\u00e1i ni\u1ec7m v\u1ec1 giao th\u1ee9c h\u01b0\u1edbng k\u1ebft n\u1ed1i c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb nh\u1eefng ng\u00e0y \u0111\u1ea7u c\u1ee7a vi\u1ec5n th\u00f4ng. H\u1ec7 th\u1ed1ng \u0111i\u1ec7n tho\u1ea1i l\u00e0 m\u1ed9t v\u00ed d\u1ee5 c\u1ed5 \u0111i\u1ec3n, trong \u0111\u00f3 m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn d\u00e0nh ri\u00eang \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp gi\u1eefa ng\u01b0\u1eddi g\u1ecdi v\u00e0 ng\u01b0\u1eddi nh\u1eadn trong su\u1ed1t th\u1eddi gian c\u1ee7a cu\u1ed9c g\u1ecdi. Kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n n\u00e0y sau \u0111\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o truy\u1ec1n th\u00f4ng k\u1ef9 thu\u1eadt s\u1ed1 c\u00f9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a m\u1ea1ng m\u00e1y t\u00ednh.<\/p>\n<p>\u0110\u1ea7u nh\u1eefng n\u0103m 1970 \u0111\u00e1nh d\u1ea5u s\u1ef1 tri\u1ec3n khai \u0111\u1ea7u ti\u00ean c\u1ee7a c\u00e1c giao th\u1ee9c h\u01b0\u1edbng k\u1ebft n\u1ed1i trong m\u1ea1ng m\u00e1y t\u00ednh. Giao th\u1ee9c \u0111i\u1ec1u khi\u1ec3n truy\u1ec1n d\u1eabn (TCP), m\u1ed9t ph\u1ea7n c\u1ee7a b\u1ed9 TCP\/IP do B\u1ed9 Qu\u1ed1c ph\u00f2ng Hoa K\u1ef3 ph\u00e1t tri\u1ec3n, l\u00e0 m\u1ed9t v\u00ed d\u1ee5 n\u1ed5i b\u1eadt v\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i cho \u0111\u1ebfn ng\u00e0y nay. N\u00f3 \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 l\u1ea7n \u0111\u1ea7u ti\u00ean trong m\u1ed9t t\u00e0i li\u1ec7u c\u00f3 t\u00ean RFC 675, xu\u1ea5t b\u1ea3n v\u00e0o th\u00e1ng 12 n\u0103m 1974.<\/p>\n<h2>Hi\u1ec3u c\u00e1c giao th\u1ee9c h\u01b0\u1edbng k\u1ebft n\u1ed1i<\/h2>\n<p>Giao th\u1ee9c h\u01b0\u1edbng k\u1ebft n\u1ed1i \u0111\u1ea3m b\u1ea3o vi\u1ec7c ph\u00e2n ph\u1ed1i d\u1eef li\u1ec7u c\u00f3 tr\u1eadt t\u1ef1 v\u00e0 \u0111\u00e1ng tin c\u1eady. \u0110i\u1ec1u n\u00e0y \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00f4ng qua quy tr\u00ecnh ba b\u01b0\u1edbc: thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i, truy\u1ec1n d\u1eef li\u1ec7u v\u00e0 ch\u1ea5m d\u1ee9t k\u1ebft n\u1ed1i. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c so s\u00e1nh v\u1edbi m\u1ed9t cu\u1ed9c g\u1ecdi \u0111i\u1ec7n tho\u1ea1i trong \u0111\u00f3 b\u1ea1n quay s\u1ed1 (thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i), n\u00f3i chuy\u1ec7n (truy\u1ec1n d\u1eef li\u1ec7u) v\u00e0 sau \u0111\u00f3 g\u00e1c m\u00e1y (ch\u1ea5m d\u1ee9t k\u1ebft n\u1ed1i).<\/p>\n<p>Qu\u00e1 tr\u00ecnh n\u00e0y t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u v\u00e0 ph\u00e2n ph\u1ed1i \u0111\u00e1ng tin c\u1eady. Tr\u01b0\u1edbc khi truy\u1ec1n d\u1eef li\u1ec7u, h\u1ec7 th\u1ed1ng g\u1eedi v\u00e0 nh\u1eadn th\u1ed1ng nh\u1ea5t m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c tham s\u1ed1, ch\u1eb3ng h\u1ea1n nh\u01b0 s\u1ed1 th\u1ee9 t\u1ef1 c\u1ee7a c\u00e1c g\u00f3i, cho ph\u00e9p ng\u01b0\u1eddi nh\u1eadn s\u1eafp x\u1ebfp l\u1ea1i c\u00e1c g\u00f3i \u0111\u00e3 nh\u1eadn v\u00e0 ph\u00e1t hi\u1ec7n b\u1ea5t k\u1ef3 g\u00f3i n\u00e0o b\u1ecb thi\u1ebfu. N\u1ebfu m\u1ed9t g\u00f3i b\u1ecb thi\u1ebfu ho\u1eb7c b\u1ecb h\u1ecfng, ng\u01b0\u1eddi nh\u1eadn s\u1ebd y\u00eau c\u1ea7u ng\u01b0\u1eddi g\u1eedi g\u1eedi l\u1ea1i g\u00f3i \u0111\u00f3, \u0111\u1ea3m b\u1ea3o r\u1eb1ng kh\u00f4ng c\u00f3 d\u1eef li\u1ec7u n\u00e0o b\u1ecb m\u1ea5t trong qu\u00e1 tr\u00ecnh truy\u1ec1n.<\/p>\n<h2>C\u01a1 ch\u1ebf n\u1ed9i b\u1ed9<\/h2>\n<p>C\u00e1c giao th\u1ee9c h\u01b0\u1edbng k\u1ebft n\u1ed1i s\u1eed d\u1ee5ng nhi\u1ec1u c\u01a1 ch\u1ebf \u0111i\u1ec1u khi\u1ec3n kh\u00e1c nhau \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady. M\u1ed9t t\u00ednh n\u0103ng c\u1ed1t l\u00f5i l\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c x\u00e1c nh\u1eadn, trong \u0111\u00f3 ng\u01b0\u1eddi nh\u1eadn s\u1ebd g\u1eedi x\u00e1c nh\u1eadn l\u1ea1i cho ng\u01b0\u1eddi g\u1eedi khi nh\u1eadn \u0111\u01b0\u1ee3c g\u00f3i d\u1eef li\u1ec7u. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p ng\u01b0\u1eddi g\u1eedi duy tr\u00ec b\u1ea3n ghi g\u00f3i n\u00e0o \u0111\u00e3 \u0111\u01b0\u1ee3c nh\u1eadn th\u00e0nh c\u00f4ng v\u00e0 g\u00f3i n\u00e0o c\u00f3 th\u1ec3 c\u1ea7n g\u1eedi l\u1ea1i.<\/p>\n<p>C\u01a1 ch\u1ebf \u0111i\u1ec1u khi\u1ec3n lu\u1ed3ng c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 kh\u1edbp t\u1ed1c \u0111\u1ed9 c\u1ee7a b\u00ean g\u1eedi v\u1edbi kh\u1ea3 n\u0103ng x\u1eed l\u00fd c\u1ee7a b\u00ean nh\u1eadn. Ki\u1ec3m so\u00e1t t\u1eafc ngh\u1ebdn gi\u00fap \u0111i\u1ec1u ch\u1ec9nh t\u1ed1c \u0111\u1ed9 truy\u1ec1n ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n m\u1ea1ng \u0111\u1ec3 ng\u0103n ng\u1eeba m\u1ea5t g\u00f3i.<\/p>\n<p>M\u1ed9t t\u00ednh n\u0103ng \u0111\u00e1ng ch\u00fa \u00fd kh\u00e1c l\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng s\u1ed1 th\u1ee9 t\u1ef1 cho c\u00e1c g\u00f3i d\u1eef li\u1ec7u, cho ph\u00e9p s\u1eafp x\u1ebfp l\u1ea1i th\u1ee9 t\u1ef1 h\u1ee3p l\u00fd c\u1ee7a ch\u00fang \u1edf \u0111\u1ea7u nh\u1eadn v\u00e0 ph\u00e1t hi\u1ec7n b\u1ea5t k\u1ef3 g\u00f3i b\u1ecb thi\u1ebfu n\u00e0o.<\/p>\n<h2>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a giao th\u1ee9c h\u01b0\u1edbng k\u1ebft n\u1ed1i<\/h2>\n<ul>\n<li><strong>\u0110\u1ed9 tin c\u1eady:<\/strong> Nh\u1edd c\u01a1 ch\u1ebf ph\u00e1t hi\u1ec7n v\u00e0 s\u1eeda l\u1ed7i, c\u00e1c giao th\u1ee9c n\u00e0y \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u.<\/li>\n<li><strong>\u0110\u1eb7t h\u00e0ng:<\/strong> C\u00e1c g\u00f3i d\u1eef li\u1ec7u \u0111\u1ebfn theo th\u1ee9 t\u1ef1 ch\u00fang \u0111\u01b0\u1ee3c g\u1eedi, \u0111\u1ea3m b\u1ea3o tr\u00ecnh t\u1ef1 d\u1eef li\u1ec7u ph\u00f9 h\u1ee3p.<\/li>\n<li><strong>Ki\u1ec3m so\u00e1t l\u01b0u l\u01b0\u1ee3ng:<\/strong> C\u00e1c giao th\u1ee9c t\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u \u0111\u1ec3 tr\u00e1nh l\u00e0m qu\u00e1 t\u1ea3i b\u1ed9 thu.<\/li>\n<li><strong>\u0110i\u1ec1u khi\u1ec3n t\u1eafc ngh\u1ebdn:<\/strong> T\u1ed1c \u0111\u1ed9 truy\u1ec1n c\u0169ng \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 tr\u00e1nh t\u1eafc ngh\u1ebdn m\u1ea1ng.<\/li>\n<\/ul>\n<h2>C\u00e1c lo\u1ea1i giao th\u1ee9c h\u01b0\u1edbng k\u1ebft n\u1ed1i<\/h2>\n<p>C\u00e1ch ti\u1ebfp c\u1eadn h\u01b0\u1edbng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi nhi\u1ec1u giao th\u1ee9c m\u1ea1ng kh\u00e1c nhau, v\u1edbi c\u00e1c v\u00ed d\u1ee5 \u0111\u00e1ng ch\u00fa \u00fd nh\u1ea5t bao g\u1ed3m:<\/p>\n<table>\n<thead>\n<tr>\n<th>Giao th\u1ee9c<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Giao th\u1ee9c \u0111i\u1ec1u khi\u1ec3n truy\u1ec1n d\u1eabn (TCP)<\/strong><\/td>\n<td>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 duy\u1ec7t web, g\u1eedi email, truy\u1ec1n t\u1ec7p v\u00e0 h\u01a1n th\u1ebf n\u1eefa.<\/td>\n<\/tr>\n<tr>\n<td><strong>Trao \u0111\u1ed5i g\u00f3i tu\u1ea7n t\u1ef1 (SPX)<\/strong><\/td>\n<td>M\u1ed9t giao th\u1ee9c l\u1edbp v\u1eadn chuy\u1ec3n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u1ee7 y\u1ebfu trong m\u00f4i tr\u01b0\u1eddng Novell Netware.<\/td>\n<\/tr>\n<tr>\n<td><strong>Giao th\u1ee9c truy\u1ec1n \u0111i\u1ec1u khi\u1ec3n lu\u1ed3ng (SCTP)<\/strong><\/td>\n<td>Cung c\u1ea5p kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ea3i tin nh\u1eafn, \u0111\u00e1ng tin c\u1eady v\u1edbi s\u1ef1 h\u1ed7 tr\u1ee3 \u0111a \u0111i\u1ec3m.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Tri\u1ec3n khai v\u00e0 nh\u1eefng th\u00e1ch th\u1ee9c li\u00ean quan<\/h2>\n<p>C\u00e1c giao th\u1ee9c h\u01b0\u1edbng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng, t\u1eeb duy\u1ec7t web v\u00e0 email \u0111\u1ebfn truy\u1ec1n t\u1ec7p v\u00e0 truy\u1ec1n ph\u00e1t tr\u1ef1c tuy\u1ebfn. Th\u00e1ch th\u1ee9c ch\u00ednh n\u1eb1m \u1edf chi ph\u00ed li\u00ean quan \u0111\u1ebfn vi\u1ec7c thi\u1ebft l\u1eadp v\u00e0 ng\u1eaft k\u1ebft n\u1ed1i, c\u0169ng nh\u01b0 nhu c\u1ea7u x\u00e1c nh\u1eadn li\u00ean t\u1ee5c trong qu\u00e1 tr\u00ecnh truy\u1ec1n d\u1eef li\u1ec7u. Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra \u0111\u1ed9 tr\u1ec5 v\u00e0 gi\u1ea3m th\u00f4ng l\u01b0\u1ee3ng t\u1ed5ng th\u1ec3.<\/p>\n<p>Gi\u1ea3i ph\u00e1p cho nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a c\u00e1c tham s\u1ed1 giao th\u1ee9c cho c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u1ea1ng nh\u1ea5t \u0111\u1ecbnh v\u00e0 t\u00ednh ch\u1ea5t c\u1ee7a d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n. V\u00ed d\u1ee5: k\u00edch th\u01b0\u1edbc g\u00f3i l\u1edbn h\u01a1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m chi ph\u00ed t\u01b0\u01a1ng \u0111\u1ed1i.<\/p>\n<h2>So s\u00e1nh v\u00e0 kh\u00e1c bi\u1ec7t<\/h2>\n<p>B\u1ea3n sao ch\u00ednh c\u1ee7a c\u00e1c giao th\u1ee9c h\u01b0\u1edbng k\u1ebft n\u1ed1i l\u00e0 c\u00e1c giao th\u1ee9c kh\u00f4ng k\u1ebft n\u1ed1i, nh\u01b0 Giao th\u1ee9c g\u00f3i d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng (UDP).<\/p>\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh bao g\u1ed3m:<\/p>\n<table>\n<thead>\n<tr>\n<th>Di\u1ec7n m\u1ea1o<\/th>\n<th>H\u01b0\u1edbng k\u1ebft n\u1ed1i (TCP)<\/th>\n<th>Kh\u00f4ng k\u1ebft n\u1ed1i (UDP)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u0111\u1ed9 tin c\u1eady<\/strong><\/td>\n<td>Cao (s\u1eed d\u1ee5ng c\u00e1c x\u00e1c nh\u1eadn, tr\u00ecnh t\u1ef1 v\u00e0 s\u1eeda l\u1ed7i)<\/td>\n<td>Th\u1ea5p (kh\u00f4ng \u0111\u1ea3m b\u1ea3o v\u1ec1 vi\u1ec7c giao h\u00e0ng ho\u1eb7c \u0111\u1eb7t h\u00e0ng)<\/td>\n<\/tr>\n<tr>\n<td><strong>T\u1ed1c \u0111\u1ed9<\/strong><\/td>\n<td>Th\u1ea5p h\u01a1n (do chi ph\u00ed cho c\u01a1 ch\u1ebf \u0111\u1ed9 tin c\u1eady)<\/td>\n<td>Cao h\u01a1n (kh\u00f4ng c\u1ea7n chi ph\u00ed cho \u0111\u1ed9 tin c\u1eady)<\/td>\n<\/tr>\n<tr>\n<td><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong><\/td>\n<td>Tr\u01b0\u1eddng h\u1ee3p t\u00ednh to\u00e0n v\u1eb9n v\u00e0 tr\u1eadt t\u1ef1 c\u1ee7a d\u1eef li\u1ec7u l\u00e0 quan tr\u1ecdng (web, email, truy\u1ec1n t\u1ec7p)<\/td>\n<td>Trong \u0111\u00f3 t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111\u1ed9 tr\u1ec5 th\u1ea5p l\u00e0 r\u1ea5t quan tr\u1ecdng (ph\u00e1t video tr\u1ef1c ti\u1ebfp, ch\u01a1i tr\u00f2 ch\u01a1i tr\u1ef1c tuy\u1ebfn)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Tri\u1ec3n v\u1ecdng t\u01b0\u01a1ng lai<\/h2>\n<p>Trong khi c\u00e1c nguy\u00ean t\u1eafc c\u1ed1t l\u00f5i c\u1ee7a c\u00e1c giao th\u1ee9c h\u01b0\u1edbng k\u1ebft n\u1ed1i v\u1eabn kh\u00f4ng thay \u0111\u1ed5i, v\u1eabn c\u00f3 c\u00f4ng vi\u1ec7c \u0111ang di\u1ec5n ra \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 c\u1ee7a ch\u00fang v\u00e0 \u0111i\u1ec1u ch\u1ec9nh ch\u00fang cho ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c k\u1ecbch b\u1ea3n m\u1ea1ng m\u1edbi. M\u1ed9t l\u0129nh v\u1ef1c tr\u1ecdng t\u00e2m l\u00e0 t\u1ed1i \u01b0u h\u00f3a m\u1ea1ng kh\u00f4ng d\u00e2y v\u00e0 m\u1ea1ng di \u0111\u1ed9ng, n\u01a1i \u0111\u1ed9 tin c\u1eady c\u1ee7a k\u1ebft n\u1ed1i c\u00f3 th\u1ec3 b\u1ecb th\u00e1ch th\u1ee9c b\u1edfi c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 \u0111\u1ed9 bi\u1ebfn thi\u00ean c\u01b0\u1eddng \u0111\u1ed9 t\u00edn hi\u1ec7u v\u00e0 t\u00ednh di \u0111\u1ed9ng.<\/p>\n<p>M\u1ed9t con \u0111\u01b0\u1eddng ph\u00e1t tri\u1ec3n kh\u00e1c l\u00e0 trong l\u0129nh v\u1ef1c Ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5 (QoS), nh\u1eb1m cung c\u1ea5p c\u00e1ch x\u1eed l\u00fd kh\u00e1c bi\u1ec7t cho c\u00e1c lo\u1ea1i d\u1eef li\u1ec7u kh\u00e1c nhau trong khu\u00f4n kh\u1ed5 h\u01b0\u1edbng k\u1ebft n\u1ed1i.<\/p>\n<h2>M\u00e1y ch\u1ee7 proxy v\u00e0 giao th\u1ee9c h\u01b0\u1edbng k\u1ebft n\u1ed1i<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng vai tr\u00f2 trung gian gi\u1eefa m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7, chuy\u1ec3n ti\u1ebfp c\u00e1c y\u00eau c\u1ea7u c\u1ee7a m\u00e1y kh\u00e1ch v\u1ec1 d\u1ecbch v\u1ee5 m\u1ea1ng \u0111\u1ebfn m\u00e1y ch\u1ee7. H\u1ecd ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng c\u00e1c giao th\u1ee9c h\u01b0\u1edbng k\u1ebft n\u1ed1i nh\u01b0 TCP \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o truy\u1ec1n d\u1eef li\u1ec7u \u0111\u00e1ng tin c\u1eady. Hi\u1ec3u ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c giao th\u1ee9c n\u00e0y l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a m\u00e1y ch\u1ee7 proxy.<\/p>\n<p>V\u00ed d\u1ee5: m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng t\u00ednh n\u0103ng ki\u1ec3m so\u00e1t lu\u1ed3ng c\u1ee7a TCP \u0111\u1ec3 qu\u1ea3n l\u00fd t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u gi\u1eefa m\u00e1y kh\u00e1ch, ch\u00ednh n\u00f3 v\u00e0 m\u00e1y ch\u1ee7. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 gi\u1ea3i th\u00edch c\u00e1c s\u1ed1 th\u1ee9 t\u1ef1 v\u00e0 x\u00e1c nh\u1eadn c\u1ee7a TCP \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n b\u1ea5t k\u1ef3 v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n n\u00e0o trong \u0111\u01b0\u1eddng truy\u1ec1n th\u00f4ng.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<ul>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc675\" target=\"_new\" rel=\"noopener nofollow\">RFC 675 \u2013 \u0110\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt c\u1ee7a ch\u01b0\u01a1ng tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1eddng truy\u1ec1n Internet<\/a><\/li>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc793\" target=\"_new\" rel=\"noopener nofollow\">RFC 793 \u2013 Giao th\u1ee9c \u0111i\u1ec1u khi\u1ec3n truy\u1ec1n d\u1eabn<\/a><\/li>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc4960\" target=\"_new\" rel=\"noopener nofollow\">RFC 4960 \u2013 Giao th\u1ee9c truy\u1ec1n \u0111i\u1ec1u khi\u1ec3n lu\u1ed3ng<\/a><\/li>\n<\/ul>\n<p>Hi\u1ec3u giao th\u1ee9c h\u01b0\u1edbng k\u1ebft n\u1ed1i v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a n\u00f3 l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft trong l\u0129nh v\u1ef1c m\u1ea1ng m\u00e1y t\u00ednh v\u00e0 d\u1ecbch v\u1ee5 proxy. Vai tr\u00f2 c\u1ee7a n\u00f3 trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o truy\u1ec1n d\u1eef li\u1ec7u \u0111\u00e1ng tin c\u1eady, c\u00f3 tr\u1eadt t\u1ef1 v\u00e0 kh\u00f4ng c\u00f3 l\u1ed7i l\u00e0 \u0111i\u1ec1u khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh nh\u00e2n t\u1ed1 then ch\u1ed1t trong s\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a truy\u1ec1n th\u00f4ng k\u1ef9 thu\u1eadt s\u1ed1.<\/p>","protected":false},"featured_media":476402,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476401","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Connection-Oriented Protocol: The Cornerstone of Reliable Communications<\/mark>","faq_items":[{"question":"What are connection-oriented protocols?","answer":"<p>Connection-oriented protocols are a class of communication protocols that establish a dedicated communication path before any data exchange takes place. This ensures a reliable and ordered delivery of data.<\/p>"},{"question":"What are the origins of connection-oriented protocols?","answer":"<p>The concept of connection-oriented protocols originated in the early days of telecommunication, with the telephone system being a classic example. In terms of digital communications, the concept was implemented in the early 1970s with protocols like the Transmission Control Protocol (TCP).<\/p>"},{"question":"How do connection-oriented protocols work?","answer":"<p>Connection-oriented protocols work through a three-step process: connection establishment, data transfer, and connection termination. They use control mechanisms such as acknowledgments, flow control, congestion control, and sequence numbers for data packets to ensure data integrity and reliable delivery.<\/p>"},{"question":"What are the key features of connection-oriented protocols?","answer":"<p>The key features of connection-oriented protocols include reliability, data ordering, flow control, and congestion control. These features ensure that data packets arrive at the destination in the order they were sent, and no data is lost in transmission.<\/p>"},{"question":"What are examples of connection-oriented protocols?","answer":"<p>Some examples of connection-oriented protocols include the Transmission Control Protocol (TCP), Sequenced Packet Exchange (SPX), and Stream Control Transmission Protocol (SCTP).<\/p>"},{"question":"What are the challenges associated with connection-oriented protocols and how are they addressed?","answer":"<p>The challenges associated with connection-oriented protocols include overhead related to connection setup and teardown, and the continuous need for acknowledgments during data transfer. These can introduce latency and reduce the overall throughput. These issues can be addressed by optimizing the protocol parameters for the given network conditions and the nature of the data being transferred.<\/p>"},{"question":"What is the relationship between proxy servers and connection-oriented protocols?","answer":"<p>Proxy servers act as intermediaries between clients and servers, forwarding client requests to servers. They predominantly use connection-oriented protocols like TCP to ensure reliable data transmission. Understanding these protocols is crucial for optimizing proxy server performance and reliability.<\/p>"},{"question":"What are the future perspectives related to connection-oriented protocols?","answer":"<p>Future perspectives related to connection-oriented protocols include optimization for wireless and mobile networks and the development of Quality of Service (QoS) capabilities. This would offer differentiated treatment to different types of data within a connection-oriented framework.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476401","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\/476401\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/476402"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=476401"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}