{"id":302431,"date":"2021-01-17T23:59:02","date_gmt":"2021-01-17T15:59:02","guid":{"rendered":"http:\/\/4563.org\/?p=302431"},"modified":"2021-01-17T23:59:02","modified_gmt":"2021-01-17T15:59:02","slug":"%e5%85%b3%e4%ba%8e-tcp-%e4%bc%a0%e8%be%93%e5%8f%91%e9%80%81%e5%8c%85%e7%9a%84%e7%ad%96%e7%95%a5%e7%9a%84%e4%b8%80%e4%b8%aa%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=302431","title":{"rendered":"\u5173\u4e8e TCP \u4f20\u8f93\u53d1\u9001\u5305\u7684\u7b56\u7565\u7684\u4e00\u4e2a\u95ee\u9898"},"content":{"rendered":"
\n
\n
\n

\u5173\u4e8e TCP \u4f20\u8f93\u53d1\u9001\u5305\u7684\u7b56\u7565\u7684\u4e00\u4e2a\u95ee\u9898 <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : Zhuzhuchenyan <\/span> <\/i> 8<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u5404\u4f4d\u597d\uff0c<\/p>\n

\u5c0f\u5f1f\u6700\u8fd1\u5728\u505a\u7f51\u6e38\u670d\u52a1\u7aef\uff0c\u524d\u671f\u4e3a\u4e86\u5feb\u901f DEMO \u6240\u4ee5\u5148\u9009\u4e86 TCP \u6765\u627f\u8f7d\u7f51\u7edc\u8fde\u63a5\u3002\u9047\u5230\u8fd9\u6837\u4e00\u4e2a\u95ee\u9898<\/p>\n

\u5148\u89e3\u91ca\u4e00\u4e0b\u80cc\u666f\uff0c\u7528\u6237\u91ca\u653e\u6280\u80fd\u5224\u5b9a\u6210\u529f\uff0c\u670d\u52a1\u7aef\u9700\u8981\u505a\u4ee5\u4e0b\u51e0\u4ef6\u4e8b<\/p>\n

    \n
  1. \u5e7f\u64ad\u8fd9\u4e2a\u6280\u80fd\u7ed9\u6240\u6709\u5173\u8054\u7684\u5ba2\u6237\u7aef\uff0c<\/li>\n
  2. \u5e7f\u64ad\u7ed9\u6240\u6709\u5173\u8054\u5ba2\u6237\u7aef\u4ed6\u4eec\u7684\u72b6\u6001\u6539\u53d8\uff08\u7531\u4e8e\u6280\u80fd\u91ca\u653e\u4ea7\u751f\u7684\u73a9\u5bb6\u7684\u72b6\u6001\u7684\u66f4\u6539\uff09<\/li>\n
  3. \u5e7f\u64ad\u8fd9\u4e2a\u6280\u80fd\u7684\u4f24\u5bb3\u7ed3\u679c\u7ed9\u5ba2\u6237\u7aef\uff08\u56e0\u4e3a\u4f24\u5bb3\u7ed3\u679c\u4e0d\u4ec5\u53ef\u4ee5\u7531\u6280\u80fd\u4ea7\u751f\uff0c\u6240\u4ee5\u8fd9\u91cc\u6709\u4e2a\u5355\u72ec\u7684\u903b\u8f91\uff0c\u5f53\u7136\u4f24\u5bb3\u7ed3\u679c\u53ef\u4ee5\u7531\u72b6\u6001\u6539\u53d8\u6765\u8ba1\u7b97\uff0c\u8fd9\u91cc\u4e3a\u4e86\u80fd\u81ea\u5b9a\u4e49\u4e00\u4e9b\u529f\u80fd\u6240\u4ee5\u6ca1\u8fd9\u4e48\u505a\uff09<\/li>\n<\/ol>\n

    \u5bf9\u4e8e\u8fd9\u4e09\u4e2a\u540c\u65f6\u9700\u8981\u5e7f\u64ad\u7684\u5185\u5bb9\uff0c\u6211\u6709\u4e24\u79cd\u9009\u62e9\uff0c<\/p>\n

      \n
    1. \u540c\u65f6\u53d1\u9001\u4e09\u4e2a TCP \u5305\uff0c\u7528\u7c7b\u4f3c Promise.All \u6216\u8005 Task.WhenAll \u7684\u65b9\u5f0f<\/li>\n
    2. \u5c06\u4ed6\u4eec\u7684\u6709\u6548\u5185\u5bb9\u9ecf\u5728\u4e00\u8d77\u53ea\u8c03\u7528\u4e00\u6b21 socket.sendbytes<\/li>\n<\/ol>\n

      \uff08\u6b64\u5904\u5047\u8bbe\u6240\u6709 socket \u7684 send \u64cd\u4f5c\u90fd\u5728\u7279\u5b9a\u7684 IO \u7ebf\u7a0b\uff0c\u4e0d\u4f1a\u963b\u585e\u4e3b\u7ebf\u7a0b\uff09 \u8fd9\u4e24\u79cd\u65b9\u5f0f\u5b70\u4f18\u5b70\u52a3\u5462\uff1f<\/p>\n

      \u5047\u8bbe\uff0c<\/p>\n

        \n
      • \u7f51\u7edc\u73af\u5883\u662f\u4fe1\u53f7\u826f\u597d\u7684 4g \u73af\u5883\uff0c\u5ef6\u8fdf\u6709\u6ce2\u52a8\uff0c\u4f46\u662f\u603b\u4f53\u4e22\u5305\u7387\u975e\u5e38\u4f4e\u3002<\/li>\n
      • \u6bcf\u4e2a\u5305\u603b\u4f53\u4f53\u79ef\u4e0d\u5927\uff0c\u6700\u5c0f\u7684 150 \u5b57\u8282\uff0c\u6700\u5927\u7684\u4e5f\u624d\u4e0d\u5230 400 \u5b57\u8282\uff0c\u4e09\u4e2a\u62fc\u5728\u4e00\u8d77\u6700\u591a 1200 \u5b57\u8282<\/li>\n<\/ul>\n

        \u6211\u4e2a\u4eba\u7684\u7406\u89e3\u7b2c\u4e8c\u79cd\u65b9\u6848\u6bd4\u7b2c\u4e00\u79cd\u65b9\u6848\u7684\u4f18\u52bf\u5728\u4e8e\uff0c<\/p>\n

          \n
        1. \u8282\u7701\u4e86\u4e24\u4e2a TCP \u62a5\u5934<\/li>\n
        2. \u53ea\u7528 ACK \u4e00\u6b21<\/li>\n<\/ol>\n

          \u8fd8\u671b\u5404\u4f4d\u80fd\u63d0\u70b9\u4e00\u4e8c<\/p>\n

          \u6731\u6731<\/p>\n<\/p><\/div>\n

          \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (6<\/span>) <\/div>\n
          <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
            \n
          • \n
            \n
            \n
            \u8cc7\u6df1\u5927\u4f6c : ryd994 <\/span> <\/div>\n
            <\/i> <\/span> <\/div>\n<\/p><\/div>\n
            \u4f60\u8fd9\u5c31\u76f8\u5f53\u4e8e\u624b\u52a8\u505a\u4e86 nagle \u7b97\u6cd5
            \u4f60\u53ef\u4ee5\u4f7f\u7528 TCP \u9009\u9879\u5f3a\u5236\u5f00\u5173 nagle
            \u4e5f\u53ef\u4ee5\u7528 TCP_CORK \u6765\u5f3a\u5236\u5ef6\u8fdf\u67d0\u4e9b\u6570\u636e <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
            \u8cc7\u6df1\u5927\u4f6c : gyf304 <\/span> <\/div>\n
            <\/i> <\/span> <\/div>\n<\/p><\/div>\n
            TCP \u6982\u5ff5\u4e0a\u662f\u6d41\u4e0d\u662f\u5305\uff0c\u5982\u679c\u76f4\u63a5\u7528 OS \u7684 TCP\/IP \u6808\u7684\u8bdd\u9ed8\u8ba4\u662f\u81ea\u5df1\u4f1a\u4f18\u5316\u7684 \uff08\u5373\uff0c\u8c03\u7528\u591a\u6b21 send \u53ef\u80fd\u5b9e\u9645\u4e0a\u53ea\u8f93\u51fa\u4e00\u4e2a IP \u5305\uff09
            TCP_NODELAY \u53ef\u4ee5\u9632\u6b62 OS \u7528 Nagle \u7b97\u6cd5\u81ea\u884c\u4f18\u5316 \uff08\u5373\u6240\u8c13\u7684\u201c\u7c98\u5305\u201d\uff09
            \u4e0d\u8981\u8fc7\u65e9\u4f18\u5316 <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
            \u8cc7\u6df1\u5927\u4f6c : djoiwhud <\/span> <\/div>\n
            <\/i> <\/span> <\/div>\n<\/p><\/div>\n
            \u9009 1\uff0c\u522b\u6574\u90a3\u4e9b\u95ed\u95e8\u9020\u8f66\u7684\u6240\u8c13\u4f18\u5316\u3002<\/p>\n

            \u4f60\u7684\u9700\u6c42\u770b\u8d77\u6765\u662f\u60f3\u628a\u4e09\u4e2a\u7c7b\u4f3c\u6bd4\u8f83\u5c0f\u7684 protobuf \u7ed3\u6784\u5408\u5e76\u6210\u4e00\u4e2a\u5927\u4e00\u70b9\u7684\u7ed3\u6784\u3002\u660e\u660e\u4e1a\u52a1\u5c42\u8c03\u6574\u4e00\u4e0b\u5c31\u53ef\u4ee5\u6ee1\u8db3\u4f60\u7684\u8981\u6c42\uff0c\u4e3a\u4f55\u8981\u5728\u4f20\u8f93\u5c42\u8c03\u6574\uff1f<\/p>\n

            \u6700\u6839\u672c\u7684\u4e00\u70b9\uff0c\u6574\u4e71\u4e03\u516b\u7cdf\u7684\u201c\u4f18\u5316\u201d\u4f1a\u5927\u5e45\u5ea6\u964d\u4f4e\u7a33\u5b9a\u6027\u548c\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002\u5173\u952e\u662f\uff0c\u8fd9\u6bcf\u4e2a\u5305\u624d\u591a 46 \u5b57\u8282\u3002<\/p>\n

            \u53e6\u5916\uff0c\u4f60\u5bf9\u7f51\u7edc\u7279\u6027\u548c\u5b9e\u9645\u4e0a\u7ebf\u540e\u671f\u7ef4\u62a4\u7684\u5904\u7406\u90fd\u770b\u7740\u7ecf\u9a8c\u4e0d\u8db3\uff0c\u4f01\u4e1a\u600e\u4e48\u653e\u5fc3\u8ba9\u4f60\u4e00\u4e2a\u4eba\u641e\u7684\uff1f <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

          • \n
            \n
            \n
            \u8cc7\u6df1\u5927\u4f6c : henvm <\/span> <\/div>\n
            <\/i> <\/span> <\/div>\n<\/p><\/div>\n
            \u6211\u8bb0\u5f97\u7f51\u7edc\u5206\u5355\u64ad\uff0c\u5e7f\u64ad\uff0c\u7ec4\u64ad\u3002\u53ef\u4ee5\u5c1d\u8bd5\u7ec4\u64ad <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
            \u8cc7\u6df1\u5927\u4f6c : gyf304 <\/span> <\/div>\n
            <\/i> <\/span> <\/div>\n<\/p><\/div>\n
            @henvm TCP \u6ca1\u6cd5\u7ec4\u64ad\u5e7f\u64ad\u7684 \u518d\u8bf4\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u80af\u5b9a\u4e0d\u5728\u4e00\u4e2a\u5e7f\u64ad\u57df <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
            \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : Zhuzhuchenyan <\/span> <\/div>\n
            <\/i> <\/span> <\/div>\n<\/p><\/div>\n
            \u611f\u8c22\u5404\u4f4d\uff0c\u90a3\u6211\u8fd8\u662f\u7ef4\u6301\u539f\u72b6\u6bd4\u8f83\u597d\u3002<\/p>\n

            @djoiwhud \u4e0d\u662f\u7ed9\u516c\u53f8\u641e\u7684\uff0c\u81ea\u5df1\u505a\u7684\u5c0f\u9879\u76ee\uff0c\u6211\u672c\u804c\u662f\u524d\u7aef\u7a0b\u5e8f\u5458\uff0c\u5bf9\u7f51\u7edc\u7279\u6027\u4e5f\u662f\u5728\u8fb9\u7ffb\u4e66\u8fb9\u5b66\u7684\u72b6\u6001\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

          • \n","protected":false},"excerpt":{"rendered":"

            \u5173\u4e8e TCP \u4f20\u8f93\u53d1\u9001\u5305\u7684\u7b56\u7565\u7684\u4e00…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/302431"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=302431"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/302431\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=302431"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=302431"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=302431"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}