{"id":579785,"date":"2023-12-28T03:11:27","date_gmt":"2023-12-28T03:11:27","guid":{"rendered":"https:\/\/proxyelite.info\/glossary\/qos-quality-of-service\/"},"modified":"2023-12-28T03:11:27","modified_gmt":"2023-12-28T03:11:27","slug":"qos-quality-of-service","status":"publish","type":"glossary","link":"https:\/\/proxyelite.info\/vi\/glossary\/qos-quality-of-service\/","title":{"rendered":"QoS (Ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5)"},"content":{"rendered":"<h2>Th\u00f4ng tin t\u00f3m t\u1eaft v\u1ec1 QoS (Quality of Service)<\/h2>\n<p>Ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 QoS, l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong th\u1ebf gi\u1edbi m\u1ea1ng v\u00e0 vi\u1ec5n th\u00f4ng. N\u00f3 l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c c\u00f4ng ngh\u1ec7 v\u00e0 giao th\u1ee9c \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 qu\u1ea3n l\u00fd v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u0169ng nh\u01b0 \u0111\u1ed9 tin c\u1eady c\u1ee7a c\u00e1c d\u1ecbch v\u1ee5 m\u1ea1ng. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd \u0111i s\u00e2u v\u00e0o s\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a QoS, kh\u00e1m ph\u00e1 c\u00e1c t\u00ednh n\u0103ng ch\u00ednh, lo\u1ea1i, \u1ee9ng d\u1ee5ng, th\u00e1ch th\u1ee9c v\u00e0 m\u1ee9c \u0111\u1ed9 li\u00ean quan c\u1ee7a n\u00f3 v\u1edbi m\u00e1y ch\u1ee7 proxy.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 QoS (Quality of Service)<\/h2>\n<h3>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a QoS (Ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5)<\/h3>\n<p>QoS bao g\u1ed3m m\u1ed9t lo\u1ea1t c\u00e1c t\u00ednh n\u0103ng \u0111\u1ea3m b\u1ea3o s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 t\u00e0i nguy\u00ean m\u1ea1ng. Nh\u1eefng t\u00ednh n\u0103ng ch\u00ednh n\u00e0y bao g\u1ed3m:<\/p>\n<ol>\n<li>\n<p><strong>\u01afu ti\u00ean g\u00f3i<\/strong>: QoS cho ph\u00e9p qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng \u01b0u ti\u00ean m\u1ed9t s\u1ed1 lo\u1ea1i l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng nh\u1ea5t \u0111\u1ecbnh so v\u1edbi c\u00e1c lo\u1ea1i l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng kh\u00e1c, \u0111\u1ea3m b\u1ea3o r\u1eb1ng d\u1eef li\u1ec7u quan tr\u1ecdng, ch\u1eb3ng h\u1ea1n nh\u01b0 tho\u1ea1i v\u00e0 video theo th\u1eddi gian th\u1ef1c, nh\u1eadn \u0111\u01b0\u1ee3c m\u1ee9c \u0111\u1ed9 \u01b0u ti\u00ean cao h\u01a1n.<\/p>\n<\/li>\n<li>\n<p><strong>Qu\u1ea3n l\u00fd b\u0103ng th\u00f4ng<\/strong>: N\u00f3 cho ph\u00e9p ph\u00e2n b\u1ed5 b\u0103ng th\u00f4ng kh\u1ea3 d\u1ee5ng d\u1ef1a tr\u00ean y\u00eau c\u1ea7u c\u1ee7a \u1ee9ng d\u1ee5ng, ng\u0103n ng\u1eeba t\u1eafc ngh\u1ebdn m\u1ea1ng v\u00e0 \u0111\u1ea3m b\u1ea3o tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng m\u01b0\u1ee3t m\u00e0 h\u01a1n.<\/p>\n<\/li>\n<li>\n<p><strong>Ki\u1ec3m so\u00e1t \u0111\u1ed9 tr\u1ec5<\/strong>: C\u01a1 ch\u1ebf QoS gi\u00fap gi\u1ea3m \u0111\u1ed9 tr\u1ec5, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng nh\u1ea1y c\u1ea3m v\u1edbi \u0111\u1ed9 tr\u1ec5, nh\u01b0 tr\u00f2 ch\u01a1i tr\u1ef1c tuy\u1ebfn v\u00e0 h\u1ed9i ngh\u1ecb video.<\/p>\n<\/li>\n<li>\n<p><strong>Ng\u0103n ng\u1eeba m\u1ea5t g\u00f3i<\/strong>: B\u1eb1ng c\u00e1ch qu\u1ea3n l\u00fd t\u1eafc ngh\u1ebdn m\u1ea1ng v\u00e0 t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u, QoS gi\u1ea3m thi\u1ec3u t\u00ecnh tr\u1ea1ng m\u1ea5t g\u00f3i tin, \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u.<\/p>\n<\/li>\n<\/ol>\n<h3>C\u00e1c lo\u1ea1i QoS (Ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5)<\/h3>\n<p>QoS th\u01b0\u1eddng \u0111\u01b0\u1ee3c ph\u00e2n th\u00e0nh nhi\u1ec1u lo\u1ea1i, m\u1ed7i lo\u1ea1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho c\u00e1c nhu c\u1ea7u c\u1ee5 th\u1ec3. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c lo\u1ea1i QoS ch\u00ednh:<\/p>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ec3u<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>N\u1ed7 l\u1ef1c t\u1ed1t nh\u1ea5t<\/strong><\/td>\n<td>Kh\u00f4ng c\u00f3 b\u1ea3o \u0111\u1ea3m c\u1ee5 th\u1ec3; d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i khi t\u00e0i nguy\u00ean cho ph\u00e9p.<\/td>\n<\/tr>\n<tr>\n<td><strong>t\u00edch h\u1ee3p<\/strong><\/td>\n<td>\u0110\u1ea3m b\u1ea3o \u0111\u1ed9 tr\u1ec5, b\u0103ng th\u00f4ng v\u00e0 m\u1ea5t g\u00f3i.<\/td>\n<\/tr>\n<tr>\n<td><strong>Kh\u00e1c bi\u1ec7t<\/strong><\/td>\n<td>G\u00e1n c\u00e1c m\u1ee9c \u0111\u1ed9 \u01b0u ti\u00ean kh\u00e1c nhau cho c\u00e1c lo\u1ea1i d\u1eef li\u1ec7u kh\u00e1c nhau.<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110i\u1ec1u h\u01b0\u1edbng giao th\u00f4ng<\/strong><\/td>\n<td>\u0110\u1ecbnh h\u00ecnh l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u1ea5u h\u00ecnh \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>C\u00e1ch s\u1eed d\u1ee5ng QoS (Ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5) v\u00e0 nh\u1eefng th\u00e1ch th\u1ee9c li\u00ean quan<\/h3>\n<h4>\u1ee8ng d\u1ee5ng QoS<\/h4>\n<p>QoS \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong nhi\u1ec1u t\u00ecnh hu\u1ed1ng kh\u00e1c nhau:<\/p>\n<ol>\n<li>\n<p><strong>Cu\u1ed9c g\u1ecdi tho\u1ea1i v\u00e0 video<\/strong>: \u0110\u1ea3m b\u1ea3o cu\u1ed9c g\u1ecdi tho\u1ea1i v\u00e0 video r\u00f5 r\u00e0ng b\u1eb1ng c\u00e1ch \u01b0u ti\u00ean l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp theo th\u1eddi gian th\u1ef1c.<\/p>\n<\/li>\n<li>\n<p><strong>Ch\u01a1i game tr\u1ef1c tuy\u1ebfn<\/strong>: Gi\u1ea3m \u0111\u1ed9 tr\u1ec5 v\u00e0 duy tr\u00ec tr\u1ea3i nghi\u1ec7m ch\u01a1i game m\u01b0\u1ee3t m\u00e0.<\/p>\n<\/li>\n<li>\n<p><strong>Truy\u1ec1n ph\u00e1t video<\/strong>: Ng\u0103n ch\u1eb7n t\u00ecnh tr\u1ea1ng gi\u1eadt h\u00ecnh v\u00e0 t\u1ed1i \u01b0u h\u00f3a ch\u1ea5t l\u01b0\u1ee3ng video.<\/p>\n<\/li>\n<\/ol>\n<h4>Nh\u1eefng th\u00e1ch th\u1ee9c v\u00e0 gi\u1ea3i ph\u00e1p<\/h4>\n<p>Nh\u1eefng th\u00e1ch th\u1ee9c th\u01b0\u1eddng n\u1ea3y sinh khi tri\u1ec3n khai QoS:<\/p>\n<ul>\n<li>\n<p><strong>\u0110\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a m\u1ea1ng<\/strong>: Qu\u1ea3n l\u00fd QoS trong c\u00e1c m\u1ea1ng l\u1edbn, ph\u1ee9c t\u1ea1p c\u00f3 th\u1ec3 kh\u00f3 kh\u0103n. Gi\u1ea3i ph\u00e1p: S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 qu\u1ea3n l\u00fd m\u1ea1ng t\u1ef1 \u0111\u1ed9ng.<\/p>\n<\/li>\n<li>\n<p><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/strong>: Gi\u1ea3i ph\u00e1p QoS m\u1edf r\u1ed9ng cho c\u00e1c m\u1ea1ng \u0111ang ph\u00e1t tri\u1ec3n. Gi\u1ea3i ph\u00e1p: \u0110\u1ea7u t\u01b0 v\u00e0o ph\u1ea7n c\u1ee9ng v\u00e0 ph\u1ea7n m\u1ec1m c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng.<\/p>\n<\/li>\n<li>\n<p><strong>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch<\/strong>: \u0110\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch QoS v\u1edbi nhi\u1ec1u thi\u1ebft b\u1ecb m\u1ea1ng kh\u00e1c nhau. Gi\u1ea3i ph\u00e1p: Ch\u1ecdn thi\u1ebft b\u1ecb nh\u1eadn bi\u1ebft QoS.<\/p>\n<\/li>\n<\/ul>\n<h3>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h3>\n<p>H\u00e3y ph\u00e2n bi\u1ec7t QoS v\u1edbi c\u00e1c thu\u1eadt ng\u1eef li\u00ean quan:<\/p>\n<table>\n<thead>\n<tr>\n<th>Thu\u1eadt ng\u1eef<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Ch\u1ea5t l\u01b0\u1ee3ng tr\u1ea3i nghi\u1ec7m<\/strong><\/td>\n<td>Nh\u1eadn th\u1ee9c c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng m\u1ea1ng.<\/td>\n<\/tr>\n<tr>\n<td><strong>Th\u1ecfa thu\u1eadn c\u1ea5p \u0111\u1ed9 d\u1ecbch v\u1ee5 (SLA)<\/strong><\/td>\n<td>Cam k\u1ebft ch\u00ednh th\u1ee9c v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5.<\/td>\n<\/tr>\n<tr>\n<td><strong>K\u1ef9 thu\u1eadt giao th\u00f4ng<\/strong><\/td>\n<td>T\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t m\u1ea1ng th\u00f4ng qua \u0111\u1ecbnh tuy\u1ebfn.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng lai<\/h3>\n<p>T\u01b0\u01a1ng lai c\u1ee7a QoS h\u1ee9a h\u1eb9n nh\u1eefng ph\u00e1t tri\u1ec3n th\u00fa v\u1ecb:<\/p>\n<ul>\n<li>\n<p><strong>QoS do AI \u0111i\u1ec1u khi\u1ec3n<\/strong>: T\u00edch h\u1ee3p AI v\u00e0 h\u1ecdc m\u00e1y \u0111\u1ec3 qu\u1ea3n l\u00fd QoS th\u00edch \u1ee9ng.<\/p>\n<\/li>\n<li>\n<p><strong>M\u1ea1ng 5G<\/strong>: Kh\u1ea3 n\u0103ng QoS n\u00e2ng cao \u0111\u1ec3 h\u1ed7 tr\u1ee3 c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 \u0111\u1ed9 tr\u1ec5 c\u1ef1c th\u1ea5p.<\/p>\n<\/li>\n<li>\n<p><strong>T\u00edch h\u1ee3p IoT<\/strong>: Nh\u1eefng ti\u1ebfn b\u1ed9 v\u1ec1 QoS \u0111\u1ec3 qu\u1ea3n l\u00fd c\u00e1c thi\u1ebft b\u1ecb IoT \u0111a d\u1ea1ng.<\/p>\n<\/li>\n<\/ul>\n<h3>M\u00e1y ch\u1ee7 proxy li\u00ean quan nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn QoS (Ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5)<\/h3>\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 v\u00e0 ch\u00fang c\u00f3 th\u1ec3 h\u01b0\u1edfng l\u1ee3i \u0111\u00e1ng k\u1ec3 t\u1eeb QoS:<\/p>\n<ol>\n<li>\n<p><strong>C\u00e2n b\u1eb1ng t\u1ea3i<\/strong>: QoS c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o ph\u00e2n ph\u1ed1i c\u00f4ng b\u1eb1ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a m\u00e1y kh\u00e1ch gi\u1eefa nhi\u1ec1u m\u00e1y ch\u1ee7 proxy, t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t.<\/p>\n<\/li>\n<li>\n<p><strong>L\u1ecdc n\u1ed9i dung<\/strong>: \u01afu ti\u00ean c\u00e1c y\u00eau c\u1ea7u l\u1ecdc n\u1ed9i dung d\u1ef1a tr\u00ean QoS c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt web.<\/p>\n<\/li>\n<li>\n<p><strong>B\u1ed9 nh\u1edb \u0111\u1ec7m<\/strong>: \u0110i\u1ec1u khi\u1ec3n QoS c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e2n b\u1ed5 t\u00e0i nguy\u00ean cho b\u1ed9 nh\u1edb \u0111\u1ec7m, t\u0103ng t\u1ed1c \u0111\u1ed9 truy xu\u1ea5t n\u1ed9i dung.<\/p>\n<\/li>\n<li>\n<p><strong>Qu\u1ea3n l\u00fd b\u0103ng th\u00f4ng<\/strong>: M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u01a1 ch\u1ebf QoS \u0111\u1ec3 qu\u1ea3n l\u00fd vi\u1ec7c ph\u00e2n b\u1ed5 b\u0103ng th\u00f4ng cho c\u00e1c y\u00eau c\u1ea7u kh\u00e1c nhau c\u1ee7a kh\u00e1ch h\u00e0ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n<\/li>\n<\/ol>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin chuy\u00ean s\u00e2u v\u1ec1 QoS v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3, h\u00e3y xem x\u00e9t kh\u00e1m ph\u00e1 c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n<ol>\n<li><a target=\"_new\" rel=\"noopener\">T\u1ed5ng quan v\u1ec1 QoS c\u1ee7a Cisco<\/a><\/li>\n<li><a target=\"_new\" rel=\"noopener\">Ti\u00eau chu\u1ea9n QoS c\u1ee7a IEEE<\/a><\/li>\n<li><a target=\"_new\" rel=\"noopener\">ProxyElite Blog<\/a> \u2013 Kh\u00e1m ph\u00e1 c\u00e1ch m\u00e1y ch\u1ee7 proxy c\u1ee7a ProxyElite c\u00f3 th\u1ec3 n\u00e2ng cao QoS m\u1ea1ng c\u1ee7a b\u1ea1n.<\/li>\n<\/ol>\n<p>T\u00f3m l\u1ea1i, Ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5 l\u00e0 m\u1ed9t kh\u00eda c\u1ea1nh c\u01a1 b\u1ea3n c\u1ee7a qu\u1ea3n l\u00fd m\u1ea1ng, \u0111\u1ea3m b\u1ea3o r\u1eb1ng d\u1eef li\u1ec7u ph\u00f9 h\u1ee3p s\u1ebd \u0111\u1ebfn \u0111\u00edch m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. Khi \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u1edbi m\u00e1y ch\u1ee7 proxy, QoS c\u00f3 th\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t c\u1ee7a ch\u00fang m\u1ed9t c\u00e1ch \u0111\u00e1ng k\u1ec3, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh t\u00e0i s\u1ea3n qu\u00fd gi\u00e1 cho nhi\u1ec1u t\u00e1c v\u1ee5 tr\u1ef1c tuy\u1ebfn kh\u00e1c nhau.<\/p>","protected":false},"featured_media":579786,"menu_order":0,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-579785","glossary","type-glossary","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/glossary\/579785","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":0,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/glossary\/579785\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/media\/579786"}],"wp:attachment":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/media?parent=579785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}