{"id":897,"date":"2018-01-17T18:06:09","date_gmt":"2018-01-17T09:06:09","guid":{"rendered":"https:\/\/chat-messenger.com\/?p=897"},"modified":"2019-09-22T22:44:27","modified_gmt":"2019-09-22T13:44:27","slug":"goi_theo-doi","status":"publish","type":"post","link":"https:\/\/chat-messenger.com\/vi\/manual\/etc\/packet_tracking","title":{"rendered":"Theo d\u00f5i g\u00f3i tin"},"content":{"rendered":"

V\u1ec1 ch\u1ee9c n\u0103ng theo d\u00f5i g\u00f3i tin<\/h2>\n

B\u1ea1n c\u00f3 th\u1ec3 truy c\u1eadp t\u00ednh n\u0103ng n\u00e0y b\u1eb1ng c\u00e1ch v\u00e0o "Tr\u1ee3 gi\u00fap" \u21d2 "C\u00d4NG C\u1ee4" \u21d2 "Theo d\u00f5i g\u00f3i tin".<\/p>\n

B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ch\u1ee9c n\u0103ng n\u00e0y \u0111\u1ec3 theo d\u00f5i c\u00e1c g\u00f3i d\u1eef li\u1ec7u \u0111\u1ebfn v\u00e0 \u0111i, c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1 trong tr\u01b0\u1eddng h\u1ee3p ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c s\u1ef1 c\u1ed1.<\/p>\n

Vi\u1ec7c theo d\u00f5i g\u00f3i tin gi\u00fap x\u00e1c \u0111\u1ecbnh v\u1ea5n \u0111\u1ec1.<\/h2>\n

\nV\u1ea5n \u0111\u1ec1 m\u1ed9t s\u1ed1 ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb ho\u1eb7c ch\u1ec9 c\u00f3 th\u1ec3 xem n\u1ed9i dung khi ngo\u1ea1i tuy\u1ebfn c\u00f3 th\u1ec3 l\u00e0 do T\u01b0\u1eddng l\u1eeda Windows ho\u1eb7c ph\u1ea7n m\u1ec1m kh\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 ph\u1ea7n m\u1ec1m di\u1ec7t virus, \u0111ang ch\u1eb7n c\u00e1c g\u00f3i d\u1eef li\u1ec7u c\u1ee5 th\u1ec3.\n<\/p>\n

\nH\u00e3y th\u1eed s\u1eed d\u1ee5ng ch\u1ee9c n\u0103ng "theo d\u00f5i g\u00f3i tin" \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng sau \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng c\u00f3 k\u1ebft n\u1ed1i kh\u00f4ng \u1ed5n \u0111\u1ecbnh: "G\u1eedi l\u1ec7nh ping \u0111\u1ebfn ng\u01b0\u1eddi d\u00f9ng m\u1ee5c ti\u00eau" v\u00e0 "Th\u00f4ng b\u00e1o cho ng\u01b0\u1eddi d\u00f9ng m\u1ee5c ti\u00eau tham gia m\u1ea1ng".\n<\/p>\n<\/p>\n

N\u1ebfu k\u1ebft qu\u1ea3 ping l\u00e0 OK, th\u00ec trong \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng, m\u1ed9t g\u00f3i tin tham gia duy nh\u1ea5t s\u1ebd \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn ng\u01b0\u1eddi d\u00f9ng m\u1ee5c ti\u00eau, ti\u1ebfp theo l\u00e0 th\u00f4ng b\u00e1o v\u1ec1 g\u00f3i tin \u0111\u00e3 nh\u1eadn \u0111\u01b0\u1ee3c d\u01b0\u1edbi d\u1ea1ng ph\u1ea3n h\u1ed3i. N\u1ebfu kh\u00f4ng nh\u1eadn \u0111\u01b0\u1ee3c th\u00f4ng b\u00e1o v\u1ec1 g\u00f3i tin ph\u1ea3n h\u1ed3i, c\u00f3 th\u1ec3 t\u01b0\u1eddng l\u1eeda Windows ho\u1eb7c ph\u1ea7n m\u1ec1m t\u01b0\u01a1ng t\u1ef1 \u0111ang ch\u1eb7n m\u1ed9t s\u1ed1 g\u00f3i tin nh\u1ea5t \u0111\u1ecbnh.<\/p>\n

\n \n<\/div>\n<\/p>\n

\nN\u1ebfu ch\u1ee9c n\u0103ng theo d\u00f5i g\u00f3i tin cho th\u1ea5y k\u1ebft qu\u1ea3 "Th\u00f4ng b\u00e1o tham gia m\u1ea1ng" kh\u00f4ng b\u00ecnh th\u01b0\u1eddng,Ng\u01b0\u1eddi d\u00f9ng c\u00f3 k\u1ebft n\u1ed1i internet kh\u00f4ng \u1ed5n \u0111\u1ecbnh<\/u>Vui l\u00f2ng v\u00e0o "Tr\u1ee3 gi\u00fap" -> "Ki\u1ec3m tra T\u01b0\u1eddng l\u1eeda Windows".\n<\/p>\n

L\u01b0\u1ee3ng l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng \u01b0\u1edbc t\u00ednh<\/a><\/h2>\n

Chat&Messenger t\u1ef1 \u0111\u1ed9ng nh\u1eadn di\u1ec7n ng\u01b0\u1eddi d\u00f9ng v\u00e0 cho ph\u00e9p nh\u1eafn tin th\u1eddi gian th\u1ef1c gi\u1eefa c\u00e1c \u0111\u1ecba \u0111i\u1ec3m c\u00e1ch xa nhau v\u1ec1 m\u1eb7t \u0111\u1ecba l\u00fd, nh\u01b0ng m\u1ed9t s\u1ed1 qu\u1ea3n tr\u1ecb vi\u00ean c\u00f3 th\u1ec3 th\u1eafc m\u1eafc, "Li\u1ec7u \u0111i\u1ec1u n\u00e0y c\u00f3 t\u1ea1o ra nhi\u1ec1u l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng v\u00e0 g\u00e2y qu\u00e1 t\u1ea3i cho h\u1ec7 th\u1ed1ng kh\u00f4ng?"<\/p>\n

\u0110\u1ec3 d\u1ec5 hi\u1ec3u h\u01a1n, ch\u00fang ta h\u00e3y so s\u00e1nh n\u00f3 v\u1edbi m\u1ed9t tr\u00ecnh duy\u1ec7t web.
\nT\u00f4i c\u00f3 th\u1ec3 kh\u1eb3ng \u0111\u1ecbnh r\u1eb1ng n\u00f3 \u00edt g\u00e2y \u00e1p l\u1ef1c l\u00ean h\u1ec7 th\u1ed1ng h\u01a1n so v\u1edbi vi\u1ec7c duy\u1ec7t c\u00e1c trang web th\u00f4ng th\u01b0\u1eddng b\u1eb1ng tr\u00ecnh duy\u1ec7t web.<\/b><\/p>\n

\u0110\u1ec3 n\u1eafm \u0111\u01b0\u1ee3c m\u1ee9c \u0111\u1ed9 l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng, ch\u1ee9c n\u0103ng "theo d\u00f5i g\u00f3i tin" cho ph\u00e9p b\u1ea1n ki\u1ec3m tra s\u1ed1 l\u01b0\u1ee3ng g\u00f3i tin \u0111\u00e3 g\u1eedi v\u00e0 nh\u1eadn, c\u0169ng nh\u01b0 t\u1ed5ng k\u00edch th\u01b0\u1edbc c\u1ee7a ch\u00fang.<\/p>\n

Trong m\u00f4i tr\u01b0\u1eddng c\u00f3 10 th\u00e0nh vi\u00ean, n\u01a1i CAMServer \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t th\u1eed nghi\u1ec7m, trong m\u1ed9t gi\u1edd tr\u00f2 chuy\u1ec7n v\u00e0 giao ti\u1ebfp qua tin nh\u1eafn kh\u00e1 th\u01b0\u1eddng xuy\u00ean, c\u0169ng nh\u01b0 nhi\u1ec1u l\u1ea7n l\u00e0m m\u1edbi ngu\u1ed3n c\u1ea5p d\u1eef li\u1ec7u m\u1edbi nh\u1ea5t, c\u00e1c k\u1ebft qu\u1ea3 sau \u0111\u00e2y \u0111\u00e3 \u0111\u01b0\u1ee3c ghi nh\u1eadn.T\u1ed5ng dung l\u01b0\u1ee3ng g\u00f3i d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eedi v\u00e0 nh\u1eadn b\u1edfi m\u1ed9t m\u00e1y t\u00ednh c\u00e1 nh\u00e2n ch\u1ec9 l\u00e0 87KB.<\/u><\/p>\n

\n \n<\/div>\n

\u0110\u1ec3 tham kh\u1ea3o, khi t\u1ea3i trang ch\u1ee7 c\u1ee7a trang web Chat&Messenger b\u1eb1ng tr\u00ecnh duy\u1ec7t nh\u01b0 Internet Explorer,
\n\u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 580KB d\u1eef li\u1ec7u s\u1ebd \u0111\u01b0\u1ee3c truy\u1ec1n t\u1ea3i ch\u1ec9 cho m\u1ed9t trang.<\/u>
\n(\u203bC\u00e1c ph\u00e9p \u0111o \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u1edbi gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng c\u00e1c t\u1ec7p h\u00ecnh \u1ea3nh v\u00e0 c\u00e1c t\u1ec7p kh\u00e1c kh\u00f4ng \u0111\u01b0\u1ee3c l\u01b0u v\u00e0o b\u1ed9 nh\u1edb \u0111\u1ec7m.)<\/p>\n

\n \n<\/div>\n

N\u00f3i c\u00e1ch kh\u00e1c, ngay c\u1ea3 khi 10 th\u00e0nh vi\u00ean th\u01b0\u1eddng xuy\u00ean g\u1eedi v\u00e0 nh\u1eadn tin nh\u1eafn su\u1ed1t c\u1ea3 ng\u00e0y, l\u01b0\u1ee3ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eedi v\u00e0 nh\u1eadn b\u1edfi m\u1ed9t m\u00e1y t\u00ednh c\u00e1 nh\u00e2n c\u0169ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi vi\u1ec7c t\u1ea3i m\u1ed9t trang web.<\/b><\/p>\n

87KB \u00d7 7 (th\u1eddi gian s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y) = kho\u1ea3ng 610KB<\/i><\/p>\n

Ngay c\u1ea3 khi s\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng \u0111\u1ea1t \u0111\u1ebfn 100, kh\u00f4ng c\u1ea7n thi\u1ebft ph\u1ea3i nh\u00e2n \u0111\u01a1n gi\u1ea3n v\u1edbi 10. \u0110i\u1ec1u n\u00e0y l\u00e0 do vi\u1ec7c g\u1eedi v\u00e0 nh\u1eadn tin nh\u1eafn chi\u1ebfm ph\u1ea7n l\u1edbn k\u00edch th\u01b0\u1edbc g\u00f3i d\u1eef li\u1ec7u t\u1ed5ng th\u1ec3. (Xem h\u00ecnh \u1ea3nh ph\u00eda tr\u00ean.)
\nC\u00e1c th\u00e0nh vi\u00ean kh\u00f4ng g\u1eedi ho\u1eb7c nh\u1eadn tin nh\u1eafn s\u1ebd ch\u1ec9 trao \u0111\u1ed5i c\u00e1c g\u00f3i tham gia v\u00e0 r\u1eddi m\u1ea1ng (92 byte).
\nN\u1ebfu ch\u00fang ta \u01b0\u1edbc t\u00ednh m\u1ed9t c\u00e1ch l\u1ea1c quan r\u1eb1ng c\u00f3 90 th\u00e0nh vi\u00ean v\u00e0 vi\u1ec7c trao \u0111\u1ed5i g\u00f3i tham gia\/r\u1eddi m\u1ea1ng di\u1ec5n ra 10 l\u1ea7n m\u1ed7i gi\u1edd...
\nC\u00e1c h\u01b0\u1edbng d\u1eabn h\u00e0ng ng\u00e0y nh\u01b0 sau:<\/p>\n

92 byte \u00d7 90 ng\u01b0\u1eddi \u00d7 10 l\u1ea7n \u00d7 7 (th\u1eddi gian s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y) = 579.600 byte
\n\u21d2 Khi quy \u0111\u1ed5i sang KB, n\u00f3 x\u1ea5p x\u1ec9 580KB.<\/i><\/p>\n

N\u1ebfu c\u00f3 100 ng\u01b0\u1eddi d\u00f9ng, l\u01b0\u1ee3ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eedi v\u00e0 nh\u1eadn b\u1edfi m\u1ed9t m\u00e1y t\u00ednh \u01b0\u1edbc t\u00ednh nh\u01b0 sau:<\/p>\n

610KB (th\u00e0nh vi\u00ean trao \u0111\u1ed5i tin nh\u1eafn) + 580KB (ch\u1ec9 tham gia\/r\u1eddi m\u1ea1ng) = 1.190KB<\/i><\/p>\n

Vi\u1ec7c xem m\u1ed9t trang web b\u1ed1n ho\u1eb7c n\u0103m l\u1ea7n s\u1ebd d\u1eabn \u0111\u1ebfn vi\u1ec7c truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u v\u01b0\u1ee3t qu\u00e1 1.190KB.<\/b><\/p>\n

ghi ch\u00fa:<\/p>\n

    \n
  • \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o m\u00f4i tr\u01b0\u1eddng, v\u00ec v\u1eady h\u00e3y xem \u0111\u00e2y ch\u1ec9 l\u00e0 h\u01b0\u1edbng d\u1eabn s\u01a1 b\u1ed9.<\/li>\n
  • H\u00e3y th\u1eed s\u1eed d\u1ee5ng ch\u1ee9c n\u0103ng "theo d\u00f5i g\u00f3i tin" \u0111\u1ec3 ki\u1ec3m tra t\u1ed5ng k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c g\u00f3i tin \u0111\u00e3 g\u1eedi v\u00e0 nh\u1eadn.
    \nNgo\u00e0i ra, h\u00e3y th\u1eed l\u01b0u m\u1ed9t trang web b\u1ea5t k\u1ef3 trong tr\u00ecnh duy\u1ec7t c\u1ee7a b\u1ea1n v\u1edbi m\u1ed9t t\u00ean t\u00f9y ch\u1ecdn v\u00e0 so s\u00e1nh k\u00edch th\u01b0\u1edbc c\u1ee7a n\u00f3 v\u1edbi k\u00edch th\u01b0\u1edbc hi\u1ec7n t\u1ea1i.<\/li>\n
  • Ph\u00e9p t\u00ednh n\u00e0y kh\u00f4ng bao g\u1ed3m vi\u1ec7c truy\u1ec1n t\u1ea3i t\u1eadp tin TCP, nh\u01b0ng vi\u1ec7c t\u1ea3i xu\u1ed1ng c\u00e1c t\u1eadp tin l\u1edbn ho\u1eb7c xem video b\u1eb1ng tr\u00ecnh duy\u1ec7t web s\u1ebd t\u1ea1o ra l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng l\u1edbn h\u01a1n \u0111\u00e1ng k\u1ec3.\n<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

    \u30d1\u30b1\u30c3\u30c8\u8ffd\u8de1\u6a5f\u80fd\u306b\u3064\u3044\u3066 \u300c\u30d8\u30eb\u30d7\u300d\u21d2\u300cTOOL\u300d\u21d2\u300c\u30d1\u30b1\u30c3\u30c8\u3092\u8ffd\u8de1\u300d\u3067\u5229\u7528\u3067\u304d\u307e\u3059\u3002 \u672c\u6a5f\u80fd\u3092\u5229\u7528\u3057\u9001\u53d7\u4fe1\u30d1 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[18],"tags":[],"class_list":["post-897","post","type-post","status-publish","format-standard","hentry","category-etc"],"_links":{"self":[{"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/posts\/897","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/comments?post=897"}],"version-history":[{"count":7,"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/posts\/897\/revisions"}],"predecessor-version":[{"id":4459,"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/posts\/897\/revisions\/4459"}],"wp:attachment":[{"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/media?parent=897"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/categories?post=897"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/tags?post=897"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}