{"id":44493,"date":"2025-06-19T09:27:43","date_gmt":"2025-06-19T01:27:43","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/44493.html"},"modified":"2025-06-19T09:27:43","modified_gmt":"2025-06-19T01:27:43","slug":"tcp-%e5%8d%8f%e8%ae%ae","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/44493.html","title":{"rendered":"TCP \u534f\u8bae"},"content":{"rendered":"<\/p>\n<h4>\u76ee\u5f55<\/h4>\n<ul>\n<li>TCP \u534f\u8bae<\/li>\n<li>\n<ul>\n<li>\u57fa\u672c\u6982\u5ff5<\/li>\n<li>\n<ul>\n<li>TCP \u7684\u7279\u70b9<\/li>\n<li>TCP \u62a5\u6587\u683c\u5f0f<\/li>\n<\/ul>\n<\/li>\n<li>3 \u6b21\u63e1\u624b\u4e0e 4 \u6b21\u6325\u624b<\/li>\n<li>\n<ul>\n<li>\u4e09\u6b21\u63e1\u624b&#xff08;Three-way Handshake&#xff09;<\/li>\n<li>\u56db\u6b21\u6325\u624b&#xff08;Four-way Handshake&#xff09;<\/li>\n<li>\u5e38\u89c1\u95ee\u9898<\/li>\n<li>\u6027\u80fd\u4f18\u5316<\/li>\n<\/ul>\n<\/li>\n<li>TCP \u7684\u62e5\u585e\u63a7\u5236\u7b97\u6cd5<\/li>\n<li>\n<ul>\n<li>\u6162\u542f\u52a8&#xff08;Slow Start&#xff09;<\/li>\n<li>\u62e5\u585e\u907f\u514d&#xff08;Congestion Avoidance&#xff09;<\/li>\n<li>\u5feb\u901f\u91cd\u4f20&#xff08;Fast Retransmit&#xff09;<\/li>\n<li>\u5feb\u901f\u6062\u590d&#xff08;Fast Recovery&#xff09;<\/li>\n<li>\u62e5\u585e\u63a7\u5236\u53c2\u6570<\/li>\n<li>\u73b0\u4ee3 TCP \u62e5\u585e\u63a7\u5236\u7b97\u6cd5<\/li>\n<li>\u6027\u80fd\u4f18\u5316\u5efa\u8bae<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<h2>TCP \u534f\u8bae<\/h2>\n<h3>\u57fa\u672c\u6982\u5ff5<\/h3>\n<p>TCP&#xff08;\u4f20\u8f93\u63a7\u5236\u534f\u8bae&#xff09;\u662f\u4e00\u79cd\u9762\u5411\u8fde\u63a5\u7684\u3001\u53ef\u9760\u7684\u3001\u57fa\u4e8e\u5b57\u8282\u6d41\u7684\u4f20\u8f93\u5c42\u901a\u4fe1\u534f\u8bae\u3002<\/p>\n<h4>TCP \u7684\u7279\u70b9<\/h4>\n<li>\n<p>\u9762\u5411\u8fde\u63a5<\/p>\n<ul>\n<li>\u901a\u4fe1\u53cc\u65b9\u5fc5\u987b\u5148\u5efa\u7acb\u8fde\u63a5<\/li>\n<li>\u6570\u636e\u4f20\u8f93\u7ed3\u675f\u540e\u9700\u8981\u65ad\u5f00\u8fde\u63a5<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u53ef\u9760\u4f20\u8f93<\/p>\n<ul>\n<li>\u4f7f\u7528\u786e\u8ba4\u673a\u5236<\/li>\n<li>\u8d85\u65f6\u91cd\u4f20<\/li>\n<li>\u6d41\u91cf\u63a7\u5236<\/li>\n<li>\u62e5\u585e\u63a7\u5236<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5168\u53cc\u5de5\u901a\u4fe1<\/p>\n<ul>\n<li>\u53cc\u65b9\u90fd\u53ef\u4ee5\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e<\/li>\n<li>\u652f\u6301\u53cc\u5411\u6570\u636e\u6d41<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u57fa\u4e8e\u5b57\u8282\u6d41<\/p>\n<ul>\n<li>\u6570\u636e\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\u4f20\u8f93<\/li>\n<li>\u6ca1\u6709\u6d88\u606f\u8fb9\u754c<\/li>\n<\/ul>\n<\/li>\n<h4>TCP \u62a5\u6587\u683c\u5f0f<\/h4>\n<li>\n<p>\u6e90\u7aef\u53e3\u548c\u76ee\u7684\u7aef\u53e3<\/p>\n<ul>\n<li>\u5404\u5360 2 \u5b57\u8282<\/li>\n<li>\u7528\u4e8e\u6807\u8bc6\u53d1\u9001\u548c\u63a5\u6536\u8fdb\u7a0b<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5e8f\u5217\u53f7\u548c\u786e\u8ba4\u53f7<\/p>\n<ul>\n<li>\u5404\u5360 4 \u5b57\u8282<\/li>\n<li>\u7528\u4e8e\u53ef\u9760\u4f20\u8f93\u548c\u6d41\u91cf\u63a7\u5236<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u63a7\u5236\u4f4d<\/p>\n<ul>\n<li>SYN&#xff1a;\u5efa\u7acb\u8fde\u63a5<\/li>\n<li>ACK&#xff1a;\u786e\u8ba4<\/li>\n<li>FIN&#xff1a;\u7ed3\u675f\u8fde\u63a5<\/li>\n<li>RST&#xff1a;\u91cd\u7f6e\u8fde\u63a5<\/li>\n<li>PSH&#xff1a;\u63a8\u9001\u6570\u636e<\/li>\n<li>URG&#xff1a;\u7d27\u6025\u6570\u636e<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u7a97\u53e3\u5927\u5c0f<\/p>\n<ul>\n<li>\u5360 2 \u5b57\u8282<\/li>\n<li>\u7528\u4e8e\u6d41\u91cf\u63a7\u5236<\/li>\n<\/ul>\n<\/li>\n<h3>3 \u6b21\u63e1\u624b\u4e0e 4 \u6b21\u6325\u624b<\/h3>\n<h4>\u4e09\u6b21\u63e1\u624b&#xff08;Three-way Handshake&#xff09;<\/h4>\n<li>\n<p>\u7b2c\u4e00\u6b21\u63e1\u624b<\/p>\n<ul>\n<li>\u5ba2\u6237\u7aef\u53d1\u9001 SYN \u5305<\/li>\n<li>\u5e8f\u5217\u53f7 seq &#061; x<\/li>\n<li>\u8fdb\u5165 SYN_SENT \u72b6\u6001<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u7b2c\u4e8c\u6b21\u63e1\u624b<\/p>\n<ul>\n<li>\u670d\u52a1\u5668\u53d1\u9001 SYN &#043; ACK \u5305<\/li>\n<li>\u5e8f\u5217\u53f7 seq &#061; y<\/li>\n<li>\u786e\u8ba4\u53f7 ack &#061; x &#043; 1<\/li>\n<li>\u8fdb\u5165 SYN_RCVD \u72b6\u6001<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u7b2c\u4e09\u6b21\u63e1\u624b<\/p>\n<ul>\n<li>\u5ba2\u6237\u7aef\u53d1\u9001 ACK \u5305<\/li>\n<li>\u786e\u8ba4\u53f7 ack &#061; y &#043; 1<\/li>\n<li>\u8fdb\u5165 ESTABLISHED \u72b6\u6001<\/li>\n<\/ul>\n<\/li>\n<p>\u4e09\u6b21\u63e1\u624b\u7684\u76ee\u7684&#xff1a;<\/p>\n<ul>\n<li>\u786e\u8ba4\u53cc\u65b9\u7684\u6536\u53d1\u80fd\u529b<\/li>\n<li>\u540c\u6b65\u5e8f\u5217\u53f7\u548c\u786e\u8ba4\u53f7<\/li>\n<li>\u4ea4\u6362\u7a97\u53e3\u5927\u5c0f\u4fe1\u606f<\/li>\n<li>\u9632\u6b62\u5386\u53f2\u8fde\u63a5<\/li>\n<\/ul>\n<h4>\u56db\u6b21\u6325\u624b&#xff08;Four-way Handshake&#xff09;<\/h4>\n<li>\n<p>\u7b2c\u4e00\u6b21\u6325\u624b<\/p>\n<ul>\n<li>\u5ba2\u6237\u7aef\u53d1\u9001 FIN \u5305<\/li>\n<li>\u5e8f\u5217\u53f7 seq &#061; u<\/li>\n<li>\u8fdb\u5165 FIN_WAIT_1 \u72b6\u6001<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u7b2c\u4e8c\u6b21\u6325\u624b<\/p>\n<ul>\n<li>\u670d\u52a1\u5668\u53d1\u9001 ACK \u5305<\/li>\n<li>\u786e\u8ba4\u53f7 ack &#061; u &#043; 1<\/li>\n<li>\u8fdb\u5165 CLOSE_WAIT \u72b6\u6001<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u7b2c\u4e09\u6b21\u6325\u624b<\/p>\n<ul>\n<li>\u670d\u52a1\u5668\u53d1\u9001 FIN \u5305<\/li>\n<li>\u5e8f\u5217\u53f7 seq &#061; w<\/li>\n<li>\u8fdb\u5165 LAST_ACK \u72b6\u6001<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u7b2c\u56db\u6b21\u6325\u624b<\/p>\n<ul>\n<li>\u5ba2\u6237\u7aef\u53d1\u9001 ACK \u5305<\/li>\n<li>\u786e\u8ba4\u53f7 ack &#061; w &#043; 1<\/li>\n<li>\u8fdb\u5165 TIME_WAIT \u72b6\u6001<\/li>\n<\/ul>\n<\/li>\n<p>\u56db\u6b21\u6325\u624b\u7684\u7279\u70b9&#xff1a;<\/p>\n<ul>\n<li>\u670d\u52a1\u5668\u53ef\u80fd\u8fd8\u6709\u6570\u636e\u8981\u53d1\u9001<\/li>\n<li>TIME_WAIT \u72b6\u6001\u6301\u7eed 2MSL<\/li>\n<li>\u9632\u6b62\u65e7\u8fde\u63a5\u7684\u6570\u636e\u5305\u5f71\u54cd\u65b0\u8fde\u63a5<\/li>\n<\/ul>\n<h4>\u5e38\u89c1\u95ee\u9898<\/h4>\n<li>\n<p>\u4e3a\u4ec0\u4e48\u9700\u8981\u4e09\u6b21\u63e1\u624b&#xff1f;<\/p>\n<ul>\n<li>\u9632\u6b62\u5386\u53f2\u8fde\u63a5<\/li>\n<li>\u540c\u6b65\u5e8f\u5217\u53f7<\/li>\n<li>\u907f\u514d\u8d44\u6e90\u6d6a\u8d39<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u4e3a\u4ec0\u4e48\u9700\u8981\u56db\u6b21\u6325\u624b&#xff1f;<\/p>\n<ul>\n<li>\u670d\u52a1\u5668\u53ef\u80fd\u8fd8\u6709\u6570\u636e\u8981\u53d1\u9001<\/li>\n<li>\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u4f20\u8f93<\/li>\n<li>\u9632\u6b62\u6570\u636e\u4e22\u5931<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>TIME_WAIT \u72b6\u6001\u7684\u4f5c\u7528<\/p>\n<ul>\n<li>\u786e\u4fdd\u6700\u540e\u4e00\u4e2a ACK \u80fd\u591f\u5230\u8fbe<\/li>\n<li>\u9632\u6b62\u65e7\u8fde\u63a5\u7684\u6570\u636e\u5305\u5f71\u54cd\u65b0\u8fde\u63a5<\/li>\n<li>\u7b49\u5f85 2MSL \u65f6\u95f4<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>TCP \u7c98\u5305\u548c\u62c6\u5305<\/p>\n<ul>\n<li>\u539f\u56e0&#xff1a;TCP \u662f\u5b57\u8282\u6d41\u534f\u8bae<\/li>\n<li>\u89e3\u51b3\u65b9\u6848&#xff1a;\n<ul>\n<li>\u6d88\u606f\u8fb9\u754c\u6807\u8bb0<\/li>\n<li>\u56fa\u5b9a\u957f\u5ea6\u6d88\u606f<\/li>\n<li>\u6d88\u606f\u5934&#043;\u6d88\u606f\u4f53<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<h4>\u6027\u80fd\u4f18\u5316<\/h4>\n<li>\n<p>\u8fde\u63a5\u4f18\u5316<\/p>\n<ul>\n<li>\u4f7f\u7528\u957f\u8fde\u63a5<\/li>\n<li>\u542f\u7528 TCP keepalive<\/li>\n<li>\u5408\u7406\u8bbe\u7f6e\u8d85\u65f6\u65f6\u95f4<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u4f20\u8f93\u4f18\u5316<\/p>\n<ul>\n<li>\u542f\u7528 Nagle \u7b97\u6cd5<\/li>\n<li>\u4f7f\u7528 TCP_NODELAY<\/li>\n<li>\u8c03\u6574\u7a97\u53e3\u5927\u5c0f<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u62e5\u585e\u63a7\u5236<\/p>\n<ul>\n<li>\u6162\u542f\u52a8<\/li>\n<li>\u62e5\u585e\u907f\u514d<\/li>\n<li>\u5feb\u901f\u91cd\u4f20<\/li>\n<li>\u5feb\u901f\u6062\u590d<\/li>\n<\/ul>\n<\/li>\n<h3>TCP \u7684\u62e5\u585e\u63a7\u5236\u7b97\u6cd5<\/h3>\n<p>TCP \u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u4e3b\u8981\u5305\u62ec\u56db\u4e2a\u6838\u5fc3\u90e8\u5206&#xff1a;\u6162\u542f\u52a8\u3001\u62e5\u585e\u907f\u514d\u3001\u5feb\u901f\u91cd\u4f20\u548c\u5feb\u901f\u6062\u590d\u3002<\/p>\n<h4>\u6162\u542f\u52a8&#xff08;Slow Start&#xff09;<\/h4>\n<li>\n<p>\u5de5\u4f5c\u539f\u7406<\/p>\n<ul>\n<li>\u521d\u59cb\u62e5\u585e\u7a97\u53e3&#xff08;cwnd&#xff09;\u8bbe\u4e3a 1 \u4e2a MSS<\/li>\n<li>\u6bcf\u6536\u5230\u4e00\u4e2a ACK&#xff0c;cwnd \u589e\u52a0 1 \u4e2a MSS<\/li>\n<li>\u5448\u6307\u6570\u589e\u957f&#xff1a;1, 2, 4, 8, 16\u2026<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u89e6\u53d1\u6761\u4ef6<\/p>\n<ul>\n<li>\u65b0\u8fde\u63a5\u5efa\u7acb\u65f6<\/li>\n<li>\u8d85\u65f6\u91cd\u4f20\u540e<\/li>\n<li>\u7a7a\u95f2\u4e00\u6bb5\u65f6\u95f4\u540e<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u7ed3\u675f\u6761\u4ef6<\/p>\n<ul>\n<li>\u8fbe\u5230\u6162\u542f\u52a8\u9608\u503c&#xff08;ssthresh&#xff09;<\/li>\n<li>\u53d1\u751f\u8d85\u65f6\u91cd\u4f20<\/li>\n<li>\u6536\u5230\u91cd\u590d ACK<\/li>\n<\/ul>\n<\/li>\n<h4>\u62e5\u585e\u907f\u514d&#xff08;Congestion Avoidance&#xff09;<\/h4>\n<li>\n<p>\u5de5\u4f5c\u539f\u7406<\/p>\n<ul>\n<li>cwnd \u7ebf\u6027\u589e\u957f&#xff1a;\u6bcf RTT \u589e\u52a0 1 \u4e2a MSS<\/li>\n<li>\u589e\u957f\u516c\u5f0f&#xff1a;cwnd &#043;&#061; 1\/cwnd<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u89e6\u53d1\u6761\u4ef6<\/p>\n<ul>\n<li>cwnd \u8fbe\u5230 ssthresh \u65f6<\/li>\n<li>\u4ece\u6162\u542f\u52a8\u9636\u6bb5\u5207\u6362<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u7ed3\u675f\u6761\u4ef6<\/p>\n<ul>\n<li>\u53d1\u751f\u8d85\u65f6\u91cd\u4f20<\/li>\n<li>\u6536\u5230\u91cd\u590d ACK<\/li>\n<\/ul>\n<\/li>\n<h4>\u5feb\u901f\u91cd\u4f20&#xff08;Fast Retransmit&#xff09;<\/h4>\n<li>\n<p>\u5de5\u4f5c\u539f\u7406<\/p>\n<ul>\n<li>\u6536\u5230 3 \u4e2a\u91cd\u590d ACK \u65f6\u89e6\u53d1<\/li>\n<li>\u7acb\u5373\u91cd\u4f20\u4e22\u5931\u7684\u5305<\/li>\n<li>\u4e0d\u9700\u8981\u7b49\u5f85\u8d85\u65f6<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u4f18\u52bf<\/p>\n<ul>\n<li>\u51cf\u5c11\u7b49\u5f85\u65f6\u95f4<\/li>\n<li>\u63d0\u9ad8\u4f20\u8f93\u6548\u7387<\/li>\n<li>\u66f4\u5feb\u6062\u590d\u4f20\u8f93<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u89e6\u53d1\u6761\u4ef6<\/p>\n<ul>\n<li>\u6536\u5230 3 \u4e2a\u91cd\u590d ACK<\/li>\n<li>\u5305\u5e8f\u53f7\u5927\u4e8e\u5f53\u524d\u53d1\u9001\u7a97\u53e3<\/li>\n<\/ul>\n<\/li>\n<h4>\u5feb\u901f\u6062\u590d&#xff08;Fast Recovery&#xff09;<\/h4>\n<li>\n<p>\u5de5\u4f5c\u539f\u7406<\/p>\n<ul>\n<li>\u6536\u5230 3 \u4e2a\u91cd\u590d ACK \u65f6\u89e6\u53d1<\/li>\n<li>cwnd \u8bbe\u4e3a ssthresh &#043; 3<\/li>\n<li>\u6bcf\u6536\u5230\u91cd\u590d ACK&#xff0c;cwnd \u589e\u52a0 1<\/li>\n<li>\u6536\u5230\u65b0\u7684 ACK \u540e&#xff0c;cwnd \u8bbe\u4e3a ssthresh<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u72b6\u6001\u8f6c\u6362<\/p>\n<ul>\n<li>\u4ece\u62e5\u585e\u907f\u514d\u8fdb\u5165\u5feb\u901f\u6062\u590d<\/li>\n<li>\u6536\u5230\u65b0 ACK \u540e\u56de\u5230\u62e5\u585e\u907f\u514d<\/li>\n<li>\u8d85\u65f6\u540e\u56de\u5230\u6162\u542f\u52a8<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u4f18\u52bf<\/p>\n<ul>\n<li>\u907f\u514d\u8fdb\u5165\u6162\u542f\u52a8<\/li>\n<li>\u4fdd\u6301\u8f83\u9ad8\u7684\u4f20\u8f93\u901f\u7387<\/li>\n<li>\u66f4\u5feb\u6062\u590d\u7f51\u7edc\u72b6\u6001<\/li>\n<\/ul>\n<\/li>\n<h4>\u62e5\u585e\u63a7\u5236\u53c2\u6570<\/h4>\n<li>\n<p>\u62e5\u585e\u7a97\u53e3&#xff08;cwnd&#xff09;<\/p>\n<ul>\n<li>\u53d1\u9001\u65b9\u63a7\u5236\u53d1\u9001\u901f\u7387<\/li>\n<li>\u52a8\u6001\u8c03\u6574\u5927\u5c0f<\/li>\n<li>\u53d7\u7f51\u7edc\u72b6\u51b5\u5f71\u54cd<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u63a5\u6536\u7a97\u53e3&#xff08;rwnd&#xff09;<\/p>\n<ul>\n<li>\u63a5\u6536\u65b9\u63a7\u5236\u63a5\u6536\u901f\u7387<\/li>\n<li>\u9632\u6b62\u63a5\u6536\u7f13\u51b2\u533a\u6ea2\u51fa<\/li>\n<li>\u901a\u8fc7 ACK \u5305\u901a\u544a<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u6162\u542f\u52a8\u9608\u503c&#xff08;ssthresh&#xff09;<\/p>\n<ul>\n<li>\u521d\u59cb\u503c\u901a\u5e38\u8f83\u5927<\/li>\n<li>\u8d85\u65f6\u540e\u8bbe\u4e3a\u5f53\u524d cwnd \u7684\u4e00\u534a<\/li>\n<li>\u5feb\u901f\u91cd\u4f20\u540e\u8bbe\u4e3a\u5f53\u524d cwnd \u7684\u4e00\u534a<\/li>\n<\/ul>\n<\/li>\n<h4>\u73b0\u4ee3 TCP \u62e5\u585e\u63a7\u5236\u7b97\u6cd5<\/h4>\n<li>\n<p>TCP Reno<\/p>\n<ul>\n<li>\u7ecf\u5178\u7b97\u6cd5<\/li>\n<li>\u5305\u542b\u4e0a\u8ff0\u56db\u4e2a\u6838\u5fc3\u673a\u5236<\/li>\n<li>\u9002\u5408\u4e00\u822c\u7f51\u7edc\u73af\u5883<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>TCP New Reno<\/p>\n<ul>\n<li>Reno \u7684\u6539\u8fdb\u7248\u672c<\/li>\n<li>\u4f18\u5316\u4e86\u5feb\u901f\u6062\u590d\u673a\u5236<\/li>\n<li>\u5904\u7406\u591a\u4e2a\u5305\u4e22\u5931\u7684\u60c5\u51b5<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>TCP BBR<\/p>\n<ul>\n<li>Google \u5f00\u53d1\u7684\u73b0\u4ee3\u7b97\u6cd5<\/li>\n<li>\u57fa\u4e8e\u5e26\u5bbd\u548c RTT \u5efa\u6a21<\/li>\n<li>\u66f4\u597d\u7684\u5e26\u5bbd\u5229\u7528\u7387<\/li>\n<li>\u66f4\u4f4e\u7684\u7f13\u51b2\u533a\u5360\u7528<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>TCP CUBIC<\/p>\n<ul>\n<li>Linux \u9ed8\u8ba4\u7b97\u6cd5<\/li>\n<li>\u4f7f\u7528\u7acb\u65b9\u51fd\u6570\u63a7\u5236\u7a97\u53e3\u589e\u957f<\/li>\n<li>\u66f4\u597d\u7684\u9ad8\u901f\u7f51\u7edc\u9002\u5e94\u6027<\/li>\n<\/ul>\n<\/li>\n<h4>\u6027\u80fd\u4f18\u5316\u5efa\u8bae<\/h4>\n<li>\n<p>\u7f51\u7edc\u5c42\u9762<\/p>\n<ul>\n<li>\u5408\u7406\u8bbe\u7f6e\u521d\u59cb\u7a97\u53e3\u5927\u5c0f<\/li>\n<li>\u4f18\u5316\u7f51\u7edc\u62d3\u6251\u7ed3\u6784<\/li>\n<li>\u51cf\u5c11\u7f51\u7edc\u6296\u52a8<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5e94\u7528\u5c42\u9762<\/p>\n<ul>\n<li>\u4f7f\u7528\u957f\u8fde\u63a5<\/li>\n<li>\u5408\u7406\u8bbe\u7f6e\u8d85\u65f6\u65f6\u95f4<\/li>\n<li>\u5b9e\u73b0\u65ad\u70b9\u7eed\u4f20<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u7cfb\u7edf\u5c42\u9762<\/p>\n<ul>\n<li>\u9009\u62e9\u5408\u9002\u7684\u62e5\u585e\u63a7\u5236\u7b97\u6cd5<\/li>\n<li>\u8c03\u6574\u7cfb\u7edf\u53c2\u6570<\/li>\n<li>\u76d1\u63a7\u7f51\u7edc\u72b6\u6001<\/li>\n<\/ul>\n<\/li>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.1k\u6b21\uff0c\u70b9\u8d5e27\u6b21\uff0c\u6536\u85cf15\u6b21\u3002TCP\u534f\u8bae\u662f\u9762\u5411\u8fde\u63a5\u3001\u53ef\u9760\u7684\u4f20\u8f93\u5c42\u534f\u8bae\uff0c\u5177\u6709\u4e09\u6b21\u63e1\u624b\u5efa\u7acb\u8fde\u63a5\u3001\u56db\u6b21\u6325\u624b\u65ad\u5f00\u8fde\u63a5\u7684\u7279\u70b9\u3002\u5176\u6838\u5fc3\u673a\u5236\u5305\u62ec\u6d41\u91cf\u63a7\u5236\u3001\u62e5\u585e\u63a7\u5236\uff08\u6162\u542f\u52a8\u3001\u62e5\u585e\u907f\u514d\u3001\u5feb\u901f\u91cd\u4f20\u548c\u5feb\u901f\u6062\u590d\uff09\u548c\u53ef\u9760\u4f20\u8f93\u3002TCP\u901a\u8fc7\u5e8f\u5217\u53f7\u3001\u786e\u8ba4\u5e94\u7b54\u3001\u8d85\u65f6\u91cd\u4f20\u7b49\u673a\u5236\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\u3002\u73b0\u4ee3\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u5982BBR\u548cCUBIC\u4f18\u5316\u4e86\u7f51\u7edc\u6027\u80fd\u3002\u7406\u89e3TCP\u7684\u5173\u952e\u5728\u4e8e\u638c\u63e1\u5176\u8fde\u63a5\u7ba1\u7406\u3001\u53ef\u9760\u4f20\u8f93\u539f\u7406\u548c\u62e5\u585e\u63a7\u5236\u7b56\u7565\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[205,43,78,211],"topic":[],"class_list":["post-44493","post","type-post","status-publish","format-standard","hentry","category-server","tag-tcp-ip","tag-43","tag-78","tag-211"],"yoast_head":"<!-- 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