{"id":410,"date":"2025-02-06T11:18:27","date_gmt":"2025-02-06T11:18:27","guid":{"rendered":"https:\/\/replicounts.org\/network\/ping-latency\/"},"modified":"2025-02-06T11:18:27","modified_gmt":"2025-02-06T11:18:27","slug":"ping-latency","status":"publish","type":"post","link":"https:\/\/replicounts.org\/vi\/network\/ping-latency\/","title":{"rendered":"Ping & \u0110\u1ed9 tr\u1ec5"},"content":{"rendered":"

Hi\u1ec3u v\u1ec1 Ping v\u00e0 \u0110\u1ed9 tr\u1ec5 trong M\u1ea1ng Proxy<\/h3>\n

Trong b\u1ee9c tranh ph\u1ee9c t\u1ea1p c\u1ee7a m\u1ea1ng l\u01b0\u1edbi hi\u1ec7n \u0111\u1ea1i, n\u01a1i d\u1eef li\u1ec7u li\u00ean t\u1ee5c ch\u1ea3y v\u00e0 c\u00e1c k\u1ebft n\u1ed1i th\u00ec v\u00f4 s\u1ed1, hai thu\u1eadt ng\u1eef th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n\u2014ping v\u00e0 \u0111\u1ed9 tr\u1ec5. Nh\u1eefng kh\u00e1i ni\u1ec7m n\u00e0y, m\u1eb7c d\u00f9 c\u00f3 v\u1ebb \u0111\u01a1n gi\u1ea3n, nh\u01b0ng l\u1ea1i tr\u1edf th\u00e0nh m\u1ed9t m\u00ea cung c\u1ee7a c\u00e1c s\u1eafc th\u00e1i k\u1ef9 thu\u1eadt, \u0111\u1eb7c bi\u1ec7t khi \u0111\u01b0\u1ee3c xem x\u00e9t trong b\u1ed1i c\u1ea3nh c\u1ee7a c\u00e1c m\u1ea1ng proxy. Ch\u00fang ta h\u00e3y b\u1eaft \u0111\u1ea7u h\u00e0nh tr\u00ecnh ph\u00e2n t\u00edch n\u00e0y \u0111\u1ec3 l\u00e0m s\u00e1ng t\u1ecf c\u00e1c thu\u1eadt ng\u1eef n\u00e0y, s\u1ef1 t\u01b0\u01a1ng t\u00e1c c\u1ee7a ch\u00fang v\u00e0 \u00fd ngh\u0129a c\u1ee7a ch\u00fang \u0111\u1ed1i v\u1edbi m\u1ea1ng l\u01b0\u1edbi hi\u1ec7u qu\u1ea3.<\/p>\n

Ping v\u00e0 \u0111\u1ed9 tr\u1ec5 l\u00e0 g\u00ec?<\/h4>\n

\u1ede c\u1ea5p \u0111\u1ed9 k\u1ef9 thu\u1eadt, ping<\/strong> l\u00e0 m\u1ed9t ti\u1ec7n \u00edch g\u1eedi tin nh\u1eafn Y\u00eau c\u1ea7u ph\u1ea3n h\u1ed3i c\u1ee7a Giao th\u1ee9c tin nh\u1eafn \u0111i\u1ec1u khi\u1ec3n Internet (ICMP) \u0111\u1ebfn m\u1ed9t \u0111\u1ecba ch\u1ec9 IP \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh v\u00e0 l\u1eafng nghe c\u00e1c tin nh\u1eafn Tr\u1ea3 l\u1eddi ph\u1ea3n h\u1ed3i. Qu\u00e1 tr\u00ecnh n\u00e0y ph\u1ee5c v\u1ee5 m\u1ee5c \u0111\u00edch k\u00e9p: ki\u1ec3m tra kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn c\u1ee7a m\u00e1y ch\u1ee7 v\u00e0 \u0111o th\u1eddi gian kh\u1ee9 h\u1ed3i (RTT) c\u1ea7n thi\u1ebft \u0111\u1ec3 m\u1ed9t g\u00f3i tin \u0111i t\u1eeb ng\u01b0\u1eddi g\u1eedi \u0111\u1ebfn ng\u01b0\u1eddi nh\u1eadn v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. <\/p>\n

\u0110\u1ed9 tr\u1ec5<\/strong>M\u1eb7t kh\u00e1c, \u0111\u1ed9 tr\u1ec5 th\u1eddi gian l\u00e0 \u0111\u1ed9 tr\u1ec5 th\u1eddi gian x\u1ea3y ra trong m\u1ea1ng. C\u00f3 th\u1ec3 hi\u1ec3u l\u00e0 t\u1ed5ng th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 m\u1ed9t g\u00f3i tin \u0111i qua m\u1ea1ng t\u1eeb ngu\u1ed3n \u0111\u1ebfn \u0111\u00edch. \u0110\u1ed9 tr\u1ec5 c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec1u y\u1ebfu t\u1ed1, bao g\u1ed3m \u0111\u1ed9 tr\u1ec5 lan truy\u1ec1n, \u0111\u1ed9 tr\u1ec5 tu\u1ea7n t\u1ef1 h\u00f3a v\u00e0 \u0111\u1ed9 tr\u1ec5 x\u1ebfp h\u00e0ng.<\/p>\n

\u0110\u1ec3 r\u00fat g\u1ecdn nh\u1eefng kh\u00e1i ni\u1ec7m n\u00e0y: ping<\/strong> l\u00e0 c\u00f4ng c\u1ee5 \u0111o l\u01b0\u1eddng v\u00e0 \u0111\u1ed9 tr\u1ec5<\/strong> l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng \u0111ang \u0111\u01b0\u1ee3c \u0111o l\u01b0\u1eddng. <\/p>\n

T\u01b0\u01a1ng t\u00e1c v\u1edbi Proxy v\u00e0 M\u1ea1ng<\/h4>\n

Khi ch\u00fang t\u00f4i \u0111\u01b0a proxy v\u00e0o ph\u01b0\u01a1ng tr\u00ecnh n\u00e0y, \u0111\u1ed9ng l\u1ef1c c\u1ee7a ping v\u00e0 \u0111\u1ed9 tr\u1ec5 s\u1ebd ph\u00e1t tri\u1ec3n. M\u00e1y ch\u1ee7 proxy ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t trung gian gi\u1eefa m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7 \u0111\u00edch, chuy\u1ec3n ti\u1ebfp c\u00e1c y\u00eau c\u1ea7u v\u00e0 ph\u1ea3n h\u1ed3i. S\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a proxy v\u1ec1 b\u1ea3n ch\u1ea5t s\u1ebd \u0111\u01b0a th\u00eam c\u00e1c b\u01b0\u1edbc nh\u1ea3y v\u00e0o \u0111\u01b0\u1eddng truy\u1ec1n d\u1eef li\u1ec7u, c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u1ea3 ping v\u00e0 \u0111\u1ed9 tr\u1ec5.<\/p>\n

    \n
  1. \n

    T\u0103ng th\u1eddi gian kh\u1ee9 h\u1ed3i<\/strong>: Khi l\u1ec7nh ping \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua proxy, th\u1eddi gian kh\u1ee9 h\u1ed3i kh\u00f4ng ch\u1ec9 l\u00e0 th\u1eddi gian c\u1ea7n \u0111\u1ec3 \u0111\u1ebfn m\u00e1y ch\u1ee7 \u0111\u00edch. N\u00f3 bao g\u1ed3m th\u1eddi gian c\u1ea7n \u0111\u1ec3 \u0111\u1ebfn proxy, th\u1eddi gian x\u1eed l\u00fd t\u1ea1i proxy v\u00e0 th\u1eddi gian c\u1ea7n \u0111\u1ec3 quay l\u1ea1i m\u00e1y kh\u00e1ch. Do \u0111\u00f3, \u0111\u1ed9 tr\u1ec5 t\u1ed5ng th\u1ec3 c\u00f3 th\u1ec3 t\u0103ng \u0111\u00e1ng k\u1ec3.<\/p>\n<\/li>\n

  2. \n

    V\u1ecb tr\u00ed Proxy<\/strong>: V\u1ecb tr\u00ed \u0111\u1ecba l\u00fd c\u1ee7a m\u00e1y ch\u1ee7 proxy \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng. M\u1ed9t proxy \u1edf xa v\u1ec1 m\u1eb7t \u0111\u1ecba l\u00fd so v\u1edbi m\u00e1y kh\u00e1ch ho\u1eb7c m\u00e1y ch\u1ee7 \u0111\u00edch s\u1ebd l\u00e0m t\u0103ng \u0111\u1ed9 tr\u1ec5. Ng\u01b0\u1ee3c l\u1ea1i, m\u1ed9t proxy \u0111\u01b0\u1ee3c \u0111\u1eb7t \u0111\u00fang ch\u1ed7 c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u1ed9 tr\u1ec5 b\u1eb1ng c\u00e1ch l\u01b0u tr\u1eef n\u1ed9i dung g\u1ea7n m\u00e1y kh\u00e1ch h\u01a1n.<\/p>\n<\/li>\n

  3. \n

    Giao th\u1ee9c chi ph\u00ed<\/strong>: Proxy c\u00f3 th\u1ec3 t\u1ea1o ra th\u00eam chi ph\u00ed x\u1eed l\u00fd, \u0111\u1eb7c bi\u1ec7t l\u00e0 n\u1ebfu ch\u00fang th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 nh\u01b0 l\u1ecdc n\u1ed9i dung ho\u1eb7c n\u00e9n d\u1eef li\u1ec7u. Chi ph\u00ed n\u00e0y c\u00f3 th\u1ec3 g\u00f3p ph\u1ea7n l\u00e0m t\u0103ng th\u00eam \u0111\u1ed9 tr\u1ec5.<\/p>\n<\/li>\n<\/ol>\n

    C\u00e1c tham s\u1ed1 ho\u1eb7c \u0111\u1ecbnh d\u1ea1ng ch\u00ednh<\/h4>\n

    Hi\u1ec3u c\u00e1c th\u00f4ng s\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ping v\u00e0 \u0111\u1ed9 tr\u1ec5 l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t m\u1ea1ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c m\u1ea1ng proxy. C\u00e1c th\u00f4ng s\u1ed1 sau \u0111\u00e2y l\u00e0 then ch\u1ed1t:<\/p>\n

      \n
    • Th\u1eddi gian kh\u1ee9 h\u1ed3i (RTT)<\/strong>: T\u1ed5ng th\u1eddi gian \u0111\u1ec3 m\u1ed9t g\u00f3i tin \u0111i t\u1eeb ng\u01b0\u1eddi g\u1eedi \u0111\u1ebfn ng\u01b0\u1eddi nh\u1eadn v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/li>\n
    • \u0110\u1ed9 tr\u1ec5 m\u1ed9t chi\u1ec1u<\/strong>: Th\u1eddi gian \u0111\u1ec3 m\u1ed9t g\u00f3i tin di chuy\u1ec3n t\u1eeb ng\u01b0\u1eddi g\u1eedi \u0111\u1ebfn ng\u01b0\u1eddi nh\u1eadn m\u00e0 kh\u00f4ng c\u00f3 chuy\u1ebfn tr\u1edf v\u1ec1.<\/li>\n
    • T\u1ef7 l\u1ec7 m\u1ea5t g\u00f3i tin<\/strong>: T\u1ef7 l\u1ec7 c\u00e1c g\u00f3i tin kh\u00f4ng \u0111\u1ebfn \u0111\u01b0\u1ee3c \u0111\u00edch, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn \u0111\u1ed9 tr\u1ec5 \u0111\u01b0\u1ee3c nh\u1eadn bi\u1ebft.<\/li>\n
    • Rung l\u1eafc<\/strong>: S\u1ef1 thay \u0111\u1ed5i trong \u0111\u1ed9 tr\u1ec5 c\u1ee7a g\u00f3i tin, c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c \u1ee9ng d\u1ee5ng nh\u1ea1y c\u1ea3m v\u1edbi th\u1eddi gian, ch\u1eb3ng h\u1ea1n nh\u01b0 VoIP.<\/li>\n
    • B\u0103ng th\u00f4ng<\/strong>:M\u1eb7c d\u00f9 kh\u00f4ng ph\u1ea3i l\u00e0 th\u01b0\u1edbc \u0111o tr\u1ef1c ti\u1ebfp v\u1ec1 \u0111\u1ed9 tr\u1ec5, b\u0103ng th\u00f4ng cao h\u01a1n c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m t\u00ecnh tr\u1ea1ng t\u1eafc ngh\u1ebdn, gi\u00e1n ti\u1ebfp \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 tr\u1ec5.<\/li>\n<\/ul>\n

      M\u1ed9t v\u00ed d\u1ee5 c\u01a1 b\u1ea3n<\/h4>\n

      H\u00e3y xem x\u00e9t m\u1ed9t t\u00ecnh hu\u1ed1ng trong \u0111\u00f3 ng\u01b0\u1eddi d\u00f9ng mu\u1ed1n ping m\u1ed9t m\u00e1y ch\u1ee7 web (v\u00ed d\u1ee5: www.example.com<\/code>) th\u00f4ng qua m\u00e1y ch\u1ee7 proxy n\u1eb1m \u1edf v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd kh\u00e1c. <\/p>\n

        \n
      1. Ping tr\u1ef1c ti\u1ebfp<\/strong>: Ng\u01b0\u1eddi d\u00f9ng ch\u1ea1y l\u1ec7nh ping tr\u1ef1c ti\u1ebfp \u0111\u1ebfn www.example.com<\/code>. RTT c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ghi l\u1ea1i l\u00e0 30 mili gi\u00e2y (ms), cho bi\u1ebft k\u1ebft n\u1ed1i t\u01b0\u01a1ng \u0111\u1ed1i nhanh.<\/li>\n<\/ol>\n

        PING www.example.com (192.0.2.1): 56 data bytes
        \n 64 bytes from 192.0.2.1: icmp_seq=0 ttl=57 time=30.0 ms<\/code><\/p>\n

          \n
        1. Ping qua Proxy<\/strong>: Sau \u0111\u00f3, ng\u01b0\u1eddi d\u00f9ng ping c\u00f9ng m\u1ed9t m\u00e1y ch\u1ee7 th\u00f4ng qua m\u00e1y ch\u1ee7 proxy \u1edf m\u1ed9t qu\u1ed1c gia kh\u00e1c. RTT hi\u1ec7n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ghi l\u1ea1i l\u00e0 120 ms.<\/li>\n<\/ol>\n

          PING proxy.server.com (203.0.113.1): 56 data bytes
          \n 64 bytes from proxy.server.com: icmp_seq=0 ttl=55 time=120.0 ms<\/code><\/p>\n

          Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, s\u1ef1 gia t\u0103ng RTT ch\u1ee9ng minh c\u00e1ch proxy t\u1ea1o ra \u0111\u1ed9 tr\u1ec5 b\u1ed5 sung. D\u1eef li\u1ec7u tr\u01b0\u1edbc ti\u00ean ph\u1ea3i truy\u1ec1n \u0111\u1ebfn proxy (gi\u1ea3 s\u1eed m\u1ea5t 50 ms), sau \u0111\u00f3 t\u1eeb proxy \u0111\u1ebfn m\u00e1y ch\u1ee7 \u0111\u00edch (th\u00eam 50 ms) v\u00e0 cu\u1ed1i c\u00f9ng tr\u1edf v\u1ec1 ng\u01b0\u1eddi d\u00f9ng (20 ms), t\u1ed5ng c\u1ed9ng l\u00e0 120 ms. <\/p>\n

          Ph\u1ea7n k\u1ebft lu\u1eadn<\/h4>\n

          T\u00f3m l\u1ea1i, s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa ping v\u00e0 \u0111\u1ed9 tr\u1ec5 trong c\u00e1c m\u1ea1ng proxy l\u00e0 m\u1ed9t \u0111i\u1ec7u nh\u1ea3y tinh t\u1ebf c\u1ee7a th\u1eddi gian v\u00e0 kho\u1ea3ng c\u00e1ch, \u0111\u01b0\u1ee3c trung gian b\u1edfi s\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a ki\u1ebfn tr\u00fac m\u1ea1ng. Hi\u1ec3u c\u00e1c kh\u00e1i ni\u1ec7m n\u00e0y kh\u00f4ng ch\u1ec9 h\u1ed7 tr\u1ee3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t m\u1ea1ng m\u00e0 c\u00f2n cung c\u1ea5p s\u1ef1 \u0111\u00e1nh gi\u00e1 s\u00e2u s\u1eafc h\u01a1n v\u1ec1 nh\u1eefng ph\u1ee9c t\u1ea1p li\u00ean quan \u0111\u1ebfn th\u1ebf gi\u1edbi k\u1ebft n\u1ed1i k\u1ef9 thu\u1eadt s\u1ed1 c\u1ee7a ch\u00fang ta. Khi ch\u00fang ta ti\u1ebfp t\u1ee5c m\u1edf r\u1ed9ng m\u1ea1ng l\u01b0\u1edbi c\u1ee7a m\u00ecnh, vi\u1ec7c theo d\u00f5i c\u00e1c s\u1ed1 li\u1ec7u n\u00e0y s\u1ebd \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u00fang ta duy tr\u00ec giao ti\u1ebfp hi\u1ec7u qu\u1ea3, ph\u1ea3n h\u1ed3i nhanh\u2014gi\u1ed1ng nh\u01b0 m\u1ed9t d\u00e0n nh\u1ea1c \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh t\u1ed1t, n\u01a1i m\u1ecdi n\u1ed1t nh\u1ea1c v\u00e0 kho\u1ea3ng d\u1eebng \u0111\u1ec1u quan tr\u1ecdng.<\/p>","protected":false},"excerpt":{"rendered":"

          Understanding Ping and Latency in Proxy Networks In the intricate tapestry of modern networking, where data flows incessantly and connections are myriad, two terms often surface\u2014ping and latency. These concepts, while seemingly simple, unravel into a labyrinth of technical nuances, particularly when examined in the context of proxy networks. Let us embark on this analytical […]<\/p>\n","protected":false},"author":3,"featured_media":411,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[17],"tags":[93,105,103,101,107,108,102,106,100,104],"class_list":["post-410","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-network","tag-connectivity","tag-gaming","tag-internet-speed","tag-latency","tag-latency-measurement","tag-network-optimization","tag-network-performance","tag-packet-loss","tag-ping","tag-troubleshooting"],"acf":[],"_links":{"self":[{"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/posts\/410","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/comments?post=410"}],"version-history":[{"count":0,"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/posts\/410\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/media\/411"}],"wp:attachment":[{"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/media?parent=410"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/categories?post=410"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/tags?post=410"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}