{"id":269,"date":"2022-05-31T14:34:35","date_gmt":"2022-05-31T06:34:35","guid":{"rendered":"http:\/\/blog.kijk.top\/?p=269"},"modified":"2022-05-31T14:34:35","modified_gmt":"2022-05-31T06:34:35","slug":"tcp-%e6%b5%81%e9%87%8f%e6%8e%a7%e5%88%b6","status":"publish","type":"post","link":"http:\/\/blog.kijk.top\/?p=269","title":{"rendered":"TCP \u6d41\u91cf\u63a7\u5236"},"content":{"rendered":"\n<p> <p>\u8f6c\u8f7d\u4e8e\uff1ahttps:\/\/www.cnblogs.com\/xiaolincoding\/p\/12732052.html<\/p><span style=\"font-size: revert; color: initial;\">\u539f\u4f5c\u8005\u5199\u5f97\u5f88\u8be6\u7ec6\uff0c\u53d7\u76ca\u532a\u6d45\uff0c\u5728\u6b64\u7531\u8877\u611f\u8c22\uff01<\/span> <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"737\" src=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/3-1024x737.png\" alt=\"\" class=\"wp-image-242\" srcset=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/3-1024x737.png 1024w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/3-300x216.png 300w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/3-768x553.png 768w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/3.png 1029w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u53d1\u9001\u65b9\u4e0d\u80fd\u65e0\u8111\u7684\u53d1\u6570\u636e\u7ed9\u63a5\u6536\u65b9\uff0c\u8981\u8003\u8651\u63a5\u6536\u65b9\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u4e00\u76f4\u65e0\u8111\u7684\u53d1\u6570\u636e\u7ed9\u5bf9\u65b9\uff0c\u4f46\u5bf9\u65b9\u5904\u7406\u4e0d\u8fc7\u6765\uff0c\u90a3\u4e48\u5c31\u4f1a\u5bfc\u81f4\u89e6\u53d1\u91cd\u53d1\u673a\u5236\uff0c\u4ece\u800c\u5bfc\u81f4\u7f51\u7edc\u6d41\u91cf\u7684\u65e0\u7aef\u7684\u6d6a\u8d39\u3002<\/p>\n\n\n\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u79cd\u73b0\u8c61\u53d1\u751f\uff0c<strong>TCP \u63d0\u4f9b\u4e00\u79cd\u673a\u5236\u53ef\u4ee5\u8ba9\u300c\u53d1\u9001\u65b9\u300d\u6839\u636e\u300c\u63a5\u6536\u65b9\u300d\u7684\u5b9e\u9645\u63a5\u6536\u80fd\u529b\u63a7\u5236\u53d1\u9001\u7684\u6570\u636e\u91cf\uff0c\u8fd9\u5c31\u662f\u6240\u8c13\u7684\u6d41\u91cf\u63a7\u5236\u3002<\/strong><\/p>\n\n\n\n<p>\u4e0b\u9762\u4e3e\u4e2a\u6817\u5b50\uff0c\u4e3a\u4e86\u7b80\u5355\u8d77\u89c1\uff0c\u5047\u8bbe\u4ee5\u4e0b\u573a\u666f\uff1a<\/p>\n\n\n\n<ul><li>\u5ba2\u6237\u7aef\u662f\u63a5\u6536\u65b9\uff0c\u670d\u52a1\u7aef\u662f\u53d1\u9001\u65b9<\/li><li>\u5047\u8bbe\u63a5\u6536\u7a97\u53e3\u548c\u53d1\u9001\u7a97\u53e3\u76f8\u540c\uff0c\u90fd\u4e3a&nbsp;<code>200<\/code><\/li><li>\u5047\u8bbe\u4e24\u4e2a\u8bbe\u5907\u5728\u6574\u4e2a\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u90fd\u4fdd\u6301\u76f8\u540c\u7684\u7a97\u53e3\u5927\u5c0f\uff0c\u4e0d\u53d7\u5916\u754c\u5f71\u54cd<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"635\" height=\"1024\" src=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/21-635x1024.png\" alt=\"\" class=\"wp-image-270\" srcset=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/21-635x1024.png 635w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/21-186x300.png 186w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/21-768x1238.png 768w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/21-953x1536.png 953w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/21-1270x2048.png 1270w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/21.png 1499w\" sizes=\"(max-width: 635px) 100vw, 635px\" \/><figcaption>\u6d41\u91cf\u63a7\u5236<\/figcaption><\/figure>\n\n\n\n<p>\u6839\u636e\u4e0a\u56fe\u7684\u6d41\u91cf\u63a7\u5236\uff0c\u8bf4\u660e\u4e0b\u6bcf\u4e2a\u8fc7\u7a0b\uff1a<\/p>\n\n\n\n<ol><li>\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u7aef\u53d1\u9001\u8bf7\u6c42\u6570\u636e\u62a5\u6587\u3002\u8fd9\u91cc\u8981\u8bf4\u660e\u4e0b\uff0c\u672c\u6b21\u4f8b\u5b50\u662f\u628a\u670d\u52a1\u7aef\u4f5c\u4e3a\u53d1\u9001\u65b9\uff0c\u6240\u4ee5\u6ca1\u6709\u753b\u51fa\u670d\u52a1\u7aef\u7684\u63a5\u6536\u7a97\u53e3\u3002<\/li><li>\u670d\u52a1\u7aef\u6536\u5230\u8bf7\u6c42\u62a5\u6587\u540e\uff0c\u53d1\u9001\u786e\u8ba4\u62a5\u6587\u548c 80 \u5b57\u8282\u7684\u6570\u636e\uff0c\u4e8e\u662f\u53ef\u7528\u7a97\u53e3&nbsp;<code>Usable<\/code>&nbsp;\u51cf\u5c11\u4e3a 120 \u5b57\u8282\uff0c\u540c\u65f6&nbsp;<code>SND.NXT<\/code>&nbsp;\u6307\u9488\u4e5f\u5411\u53f3\u504f\u79fb 80 \u5b57\u8282\u540e\uff0c\u6307\u5411 321\uff0c<strong>\u8fd9\u610f\u5473\u7740\u4e0b\u6b21\u53d1\u9001\u6570\u636e\u7684\u65f6\u5019\uff0c\u5e8f\u5217\u53f7\u662f 321\u3002<\/strong><\/li><li>\u5ba2\u6237\u7aef\u6536\u5230 80 \u5b57\u8282\u6570\u636e\u540e\uff0c\u4e8e\u662f\u63a5\u6536\u7a97\u53e3\u5f80\u53f3\u79fb\u52a8 80 \u5b57\u8282\uff0c<code>RCV.NXT<\/code>&nbsp;\u4e5f\u5c31\u6307\u5411 321\uff0c<strong>\u8fd9\u610f\u5473\u7740\u5ba2\u6237\u7aef\u671f\u671b\u7684\u4e0b\u4e00\u4e2a\u62a5\u6587\u7684\u5e8f\u5217\u53f7\u662f 321<\/strong>\uff0c\u63a5\u7740\u53d1\u9001\u786e\u8ba4\u62a5\u6587\u7ed9\u670d\u52a1\u7aef\u3002<\/li><li>\u670d\u52a1\u7aef\u518d\u6b21\u53d1\u9001\u4e86 120 \u5b57\u8282\u6570\u636e\uff0c\u4e8e\u662f\u53ef\u7528\u7a97\u53e3\u8017\u5c3d\u4e3a 0\uff0c\u670d\u52a1\u7aef\u65e0\u6cd5\u518d\u7ee7\u7eed\u53d1\u9001\u6570\u636e\u3002<\/li><li>\u5ba2\u6237\u7aef\u6536\u5230 120 \u5b57\u8282\u7684\u6570\u636e\u540e\uff0c\u4e8e\u662f\u63a5\u6536\u7a97\u53e3\u5f80\u53f3\u79fb\u52a8 120 \u5b57\u8282\uff0c<code>RCV.NXT<\/code>&nbsp;\u4e5f\u5c31\u6307\u5411 441\uff0c\u63a5\u7740\u53d1\u9001\u786e\u8ba4\u62a5\u6587\u7ed9\u670d\u52a1\u7aef\u3002<\/li><li>\u670d\u52a1\u7aef\u6536\u5230\u5bf9 80 \u5b57\u8282\u6570\u636e\u7684\u786e\u8ba4\u62a5\u6587\u540e\uff0c<code>SND.UNA<\/code>&nbsp;\u6307\u9488\u5f80\u53f3\u504f\u79fb\u540e\u6307\u5411 321\uff0c\u4e8e\u662f\u53ef\u7528\u7a97\u53e3&nbsp;<code>Usable<\/code>&nbsp;\u589e\u5927\u5230 80\u3002<\/li><li>\u670d\u52a1\u7aef\u6536\u5230\u5bf9 120 \u5b57\u8282\u6570\u636e\u7684\u786e\u8ba4\u62a5\u6587\u540e\uff0c<code>SND.UNA<\/code>&nbsp;\u6307\u9488\u5f80\u53f3\u504f\u79fb\u540e\u6307\u5411 441\uff0c\u4e8e\u662f\u53ef\u7528\u7a97\u53e3&nbsp;<code>Usable<\/code>&nbsp;\u589e\u5927\u5230 200\u3002<\/li><li>\u670d\u52a1\u7aef\u53ef\u4ee5\u7ee7\u7eed\u53d1\u9001\u4e86\uff0c\u4e8e\u662f\u53d1\u9001\u4e86 160 \u5b57\u8282\u7684\u6570\u636e\u540e\uff0c<code>SND.NXT<\/code>&nbsp;\u6307\u5411 601\uff0c\u4e8e\u662f\u53ef\u7528\u7a97\u53e3&nbsp;<code>Usable<\/code>&nbsp;\u51cf\u5c11\u5230 40\u3002<\/li><li>\u5ba2\u6237\u7aef\u6536\u5230 160 \u5b57\u8282\u540e\uff0c\u63a5\u6536\u7a97\u53e3\u5f80\u53f3\u79fb\u52a8\u4e86 160 \u5b57\u8282\uff0c<code>RCV.NXT<\/code>&nbsp;\u4e5f\u5c31\u662f\u6307\u5411\u4e86 601\uff0c\u63a5\u7740\u53d1\u9001\u786e\u8ba4\u62a5\u6587\u7ed9\u670d\u52a1\u7aef\u3002<\/li><li>\u670d\u52a1\u7aef\u6536\u5230\u5bf9 160 \u5b57\u8282\u6570\u636e\u7684\u786e\u8ba4\u62a5\u6587\u540e\uff0c\u53d1\u9001\u7a97\u53e3\u5f80\u53f3\u79fb\u52a8\u4e86 160 \u5b57\u8282\uff0c\u4e8e\u662f&nbsp;<code>SND.UNA<\/code>&nbsp;\u6307\u9488\u504f\u79fb\u4e86 160 \u540e\u6307\u5411 601\uff0c\u53ef\u7528\u7a97\u53e3&nbsp;<code>Usable<\/code>&nbsp;\u4e5f\u5c31\u589e\u5927\u81f3\u4e86 200\u3002<\/li><\/ol>\n\n\n\n<h2>\u64cd\u4f5c\u7cfb\u7edf\u7f13\u51b2\u533a\u4e0e\u6ed1\u52a8\u7a97\u53e3\u7684\u5173\u7cfb<\/h2>\n\n\n\n<p>\u524d\u9762\u7684\u6d41\u91cf\u63a7\u5236\u4f8b\u5b50\uff0c\u6211\u4eec\u5047\u5b9a\u4e86\u53d1\u9001\u7a97\u53e3\u548c\u63a5\u6536\u7a97\u53e3\u662f\u4e0d\u53d8\u7684\uff0c\u4f46\u662f\u5b9e\u9645\u4e0a\uff0c\u53d1\u9001\u7a97\u53e3\u548c\u63a5\u6536\u7a97\u53e3\u4e2d\u6240\u5b58\u653e\u7684\u5b57\u8282\u6570\uff0c\u90fd\u662f\u653e\u5728\u64cd\u4f5c\u7cfb\u7edf\u5185\u5b58\u7f13\u51b2\u533a\u4e2d\u7684\uff0c\u800c\u64cd\u4f5c\u7cfb\u7edf\u7684\u7f13\u51b2\u533a\uff0c\u4f1a<strong>\u88ab\u64cd\u4f5c\u7cfb\u7edf\u8c03\u6574<\/strong>\u3002<\/p>\n\n\n\n<p>\u5f53\u5e94\u7528\u8fdb\u7a0b\u6ca1\u529e\u6cd5\u53ca\u65f6\u8bfb\u53d6\u7f13\u51b2\u533a\u7684\u5185\u5bb9\u65f6\uff0c\u4e5f\u4f1a\u5bf9\u6211\u4eec\u7684\u7f13\u51b2\u533a\u9020\u6210\u5f71\u54cd\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>\u90a3\u64cd\u5fc3\u7cfb\u7edf\u7684\u7f13\u51b2\u533a\uff0c\u662f\u5982\u4f55\u5f71\u54cd\u53d1\u9001\u7a97\u53e3\u548c\u63a5\u6536\u7a97\u53e3\u7684\u5462\uff1f<\/p><\/blockquote>\n\n\n\n<p><em>\u6211\u4eec\u5148\u6765\u770b\u770b\u7b2c\u4e00\u4e2a\u4f8b\u5b50\u3002<\/em><\/p>\n\n\n\n<p>\u5f53\u5e94\u7528\u7a0b\u5e8f\u6ca1\u6709\u53ca\u65f6\u8bfb\u53d6\u7f13\u5b58\u65f6\uff0c\u53d1\u9001\u7a97\u53e3\u548c\u63a5\u6536\u7a97\u53e3\u7684\u53d8\u5316\u3002<\/p>\n\n\n\n<p>\u8003\u8651\u4ee5\u4e0b\u573a\u666f\uff1a<\/p>\n\n\n\n<ul><li>\u5ba2\u6237\u7aef\u4f5c\u4e3a\u53d1\u9001\u65b9\uff0c\u670d\u52a1\u7aef\u4f5c\u4e3a\u63a5\u6536\u65b9\uff0c\u53d1\u9001\u7a97\u53e3\u548c\u63a5\u6536\u7a97\u53e3\u521d\u59cb\u5927\u5c0f\u4e3a&nbsp;<code>360<\/code>\uff1b<\/li><li>\u670d\u52a1\u7aef\u975e\u5e38\u7684\u7e41\u5fd9\uff0c\u5f53\u6536\u5230\u5ba2\u6237\u7aef\u7684\u6570\u636e\u65f6\uff0c\u5e94\u7528\u5c42\u4e0d\u80fd\u53ca\u65f6\u8bfb\u53d6\u6570\u636e\u3002<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"659\" height=\"1024\" src=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/22-659x1024.png\" alt=\"\" class=\"wp-image-271\" srcset=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/22-659x1024.png 659w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/22-193x300.png 193w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/22-768x1193.png 768w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/22-989x1536.png 989w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/22-1318x2048.png 1318w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/22.png 1614w\" sizes=\"(max-width: 659px) 100vw, 659px\" \/><\/figure>\n\n\n\n<p>\u6839\u636e\u4e0a\u56fe\u7684\u6d41\u91cf\u63a7\u5236\uff0c\u8bf4\u660e\u4e0b\u6bcf\u4e2a\u8fc7\u7a0b\uff1a<\/p>\n\n\n\n<ol><li>\u5ba2\u6237\u7aef\u53d1\u9001 140 \u5b57\u8282\u6570\u636e\u540e\uff0c\u53ef\u7528\u7a97\u53e3\u53d8\u4e3a 220 \uff08360 &#8211; 140\uff09\u3002<\/li><li>\u670d\u52a1\u7aef\u6536\u5230 140 \u5b57\u8282\u6570\u636e\uff0c<strong>\u4f46\u662f\u670d\u52a1\u7aef\u975e\u5e38\u7e41\u5fd9\uff0c\u5e94\u7528\u8fdb\u7a0b\u53ea\u8bfb\u53d6\u4e86 40 \u4e2a\u5b57\u8282\uff0c\u8fd8\u6709 100 \u5b57\u8282\u5360\u7528\u7740\u7f13\u51b2\u533a\uff0c\u4e8e\u662f\u63a5\u6536\u7a97\u53e3\u6536\u7f29\u5230\u4e86 260 \uff08360 &#8211; 100\uff09<\/strong>\uff0c\u6700\u540e\u53d1\u9001\u786e\u8ba4\u4fe1\u606f\u65f6\uff0c\u5c06\u7a97\u53e3\u5927\u5c0f\u901a\u544a\u7ed9\u5ba2\u6237\u7aef\u3002<\/li><li>\u5ba2\u6237\u7aef\u6536\u5230\u786e\u8ba4\u548c\u7a97\u53e3\u901a\u544a\u62a5\u6587\u540e\uff0c\u53d1\u9001\u7a97\u53e3\u51cf\u5c11\u4e3a 260\u3002<\/li><li>\u5ba2\u6237\u7aef\u53d1\u9001 180 \u5b57\u8282\u6570\u636e\uff0c\u6b64\u65f6\u53ef\u7528\u7a97\u53e3\u51cf\u5c11\u5230 80\u3002<\/li><li>\u670d\u52a1\u7aef\u6536\u5230 180 \u5b57\u8282\u6570\u636e\uff0c<strong>\u4f46\u662f\u5e94\u7528\u7a0b\u5e8f\u6ca1\u6709\u8bfb\u53d6\u4efb\u4f55\u6570\u636e\uff0c\u8fd9 180 \u5b57\u8282\u76f4\u63a5\u5c31\u7559\u5728\u4e86\u7f13\u51b2\u533a\uff0c\u4e8e\u662f\u63a5\u6536\u7a97\u53e3\u6536\u7f29\u5230\u4e86 80 \uff08260 &#8211; 180\uff09<\/strong>\uff0c\u5e76\u5728\u53d1\u9001\u786e\u8ba4\u4fe1\u606f\u65f6\uff0c\u901a\u8fc7\u7a97\u53e3\u5927\u5c0f\u7ed9\u5ba2\u6237\u7aef\u3002<\/li><li>\u5ba2\u6237\u7aef\u6536\u5230\u786e\u8ba4\u548c\u7a97\u53e3\u901a\u544a\u62a5\u6587\u540e\uff0c\u53d1\u9001\u7a97\u53e3\u51cf\u5c11\u4e3a 80\u3002<\/li><li>\u5ba2\u6237\u7aef\u53d1\u9001 80 \u5b57\u8282\u6570\u636e\u540e\uff0c\u53ef\u7528\u7a97\u53e3\u8017\u5c3d\u3002<\/li><li>\u670d\u52a1\u7aef\u6536\u5230 80 \u5b57\u8282\u6570\u636e\uff0c<strong>\u4f46\u662f\u5e94\u7528\u7a0b\u5e8f\u4f9d\u7136\u6ca1\u6709\u8bfb\u53d6\u4efb\u4f55\u6570\u636e\uff0c\u8fd9 80 \u5b57\u8282\u7559\u5728\u4e86\u7f13\u51b2\u533a\uff0c\u4e8e\u662f\u63a5\u6536\u7a97\u53e3\u6536\u7f29\u5230\u4e86 0<\/strong>\uff0c\u5e76\u5728\u53d1\u9001\u786e\u8ba4\u4fe1\u606f\u65f6\uff0c\u901a\u8fc7\u7a97\u53e3\u5927\u5c0f\u7ed9\u5ba2\u6237\u7aef\u3002<\/li><li>\u5ba2\u6237\u7aef\u6536\u5230\u786e\u8ba4\u548c\u7a97\u53e3\u901a\u544a\u62a5\u6587\u540e\uff0c\u53d1\u9001\u7a97\u53e3\u51cf\u5c11\u4e3a 0\u3002<\/li><\/ol>\n\n\n\n<p>\u53ef\u89c1\u6700\u540e\u7a97\u53e3\u90fd\u6536\u7f29\u4e3a 0 \u4e86\uff0c\u4e5f\u5c31\u662f\u53d1\u751f\u4e86\u7a97\u53e3\u5173\u95ed\u3002\u5f53\u53d1\u9001\u65b9\u53ef\u7528\u7a97\u53e3\u53d8\u4e3a 0 \u65f6\uff0c\u53d1\u9001\u65b9\u5b9e\u9645\u4e0a\u4f1a\u5b9a\u65f6\u53d1\u9001\u7a97\u53e3\u63a2\u6d4b\u62a5\u6587\uff0c\u4ee5\u4fbf\u77e5\u9053\u63a5\u6536\u65b9\u7684\u7a97\u53e3\u662f\u5426\u53d1\u751f\u4e86\u6539\u53d8\uff0c\u8fd9\u4e2a\u5185\u5bb9\u540e\u9762\u4f1a\u8bf4\uff0c\u8fd9\u91cc\u5148\u7b80\u5355\u63d0\u4e00\u4e0b\u3002<\/p>\n\n\n\n<p><em>\u6211\u4eec\u5148\u6765\u770b\u770b\u7b2c\u4e8c\u4e2a\u4f8b\u5b50\u3002<\/em><\/p>\n\n\n\n<p>\u5f53\u670d\u52a1\u7aef\u7cfb\u7edf\u8d44\u6e90\u975e\u5e38\u7d27\u5f20\u7684\u65f6\u5019\uff0c\u64cd\u5fc3\u7cfb\u7edf\u53ef\u80fd\u4f1a\u76f4\u63a5\u51cf\u5c11\u4e86\u63a5\u6536\u7f13\u51b2\u533a\u5927\u5c0f\uff0c\u8fd9\u65f6\u5e94\u7528\u7a0b\u5e8f\u53c8\u65e0\u6cd5\u53ca\u65f6\u8bfb\u53d6\u7f13\u5b58\u6570\u636e\uff0c\u90a3\u4e48\u8fd9\u65f6\u5019\u5c31\u6709\u4e25\u91cd\u7684\u4e8b\u60c5\u53d1\u751f\u4e86\uff0c\u4f1a\u51fa\u73b0\u6570\u636e\u5305\u4e22\u5931\u7684\u73b0\u8c61\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1015\" height=\"1024\" src=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/23-1015x1024.png\" alt=\"\" class=\"wp-image-272\" srcset=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/23-1015x1024.png 1015w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/23-297x300.png 297w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/23-150x150.png 150w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/23-768x775.png 768w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/23-1523x1536.png 1523w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/23.png 1757w\" sizes=\"(max-width: 1015px) 100vw, 1015px\" \/><\/figure>\n\n\n\n<p>\u8bf4\u660e\u4e0b\u6bcf\u4e2a\u8fc7\u7a0b\uff1a<\/p>\n\n\n\n<ol><li>\u5ba2\u6237\u7aef\u53d1\u9001 140 \u5b57\u8282\u7684\u6570\u636e\uff0c\u4e8e\u662f\u53ef\u7528\u7a97\u53e3\u51cf\u5c11\u5230\u4e86 220\u3002<\/li><li><strong>\u670d\u52a1\u7aef\u56e0\u4e3a\u73b0\u5728\u975e\u5e38\u7684\u7e41\u5fd9\uff0c\u64cd\u4f5c\u7cfb\u7edf\u4e8e\u662f\u5c31\u628a\u63a5\u6536\u7f13\u5b58\u51cf\u5c11\u4e86 120 \u5b57\u8282\uff0c\u5f53\u6536\u5230 140 \u5b57\u8282\u6570\u636e\u540e\uff0c\u53c8\u56e0\u4e3a\u5e94\u7528\u7a0b\u5e8f\u6ca1\u6709\u8bfb\u53d6\u4efb\u4f55\u6570\u636e\uff0c\u6240\u4ee5 140 \u5b57\u8282\u7559\u5728\u4e86\u7f13\u51b2\u533a\u4e2d\uff0c\u4e8e\u662f\u63a5\u6536\u7a97\u53e3\u5927\u5c0f\u4ece 360 \u6536\u7f29\u6210\u4e86 100<\/strong>\uff0c\u6700\u540e\u53d1\u9001\u786e\u8ba4\u4fe1\u606f\u65f6\uff0c\u901a\u544a\u7a97\u53e3\u5927\u5c0f\u7ed9\u5bf9\u65b9\u3002<\/li><li>\u6b64\u65f6\u5ba2\u6237\u7aef\u56e0\u4e3a\u8fd8\u6ca1\u6709\u6536\u5230\u670d\u52a1\u7aef\u7684\u901a\u544a\u7a97\u53e3\u62a5\u6587\uff0c\u6240\u4ee5\u4e0d\u77e5\u9053\u6b64\u65f6\u63a5\u6536\u7a97\u53e3\u6536\u7f29\u6210\u4e86 100\uff0c\u5ba2\u6237\u7aef\u53ea\u4f1a\u770b\u81ea\u5df1\u7684\u53ef\u7528\u7a97\u53e3\u8fd8\u6709 220\uff0c\u6240\u4ee5\u5ba2\u6237\u7aef\u5c31\u53d1\u9001\u4e86 180 \u5b57\u8282\u6570\u636e\uff0c\u4e8e\u662f\u53ef\u7528\u7a97\u53e3\u51cf\u5c11\u5230 40\u3002<\/li><li>\u670d\u52a1\u7aef\u6536\u5230\u4e86 180 \u5b57\u8282\u6570\u636e\u65f6\uff0c<strong>\u53d1\u73b0\u6570\u636e\u5927\u5c0f\u8d85\u8fc7\u4e86\u63a5\u6536\u7a97\u53e3\u7684\u5927\u5c0f\uff0c\u4e8e\u662f\u5c31\u628a\u6570\u636e\u5305\u4e22\u5931\u4e86\u3002<\/strong><\/li><li>\u5ba2\u6237\u7aef\u6536\u5230\u7b2c 2 \u6b65\u65f6\uff0c\u670d\u52a1\u7aef\u53d1\u9001\u7684\u786e\u8ba4\u62a5\u6587\u548c\u901a\u544a\u7a97\u53e3\u62a5\u6587\uff0c\u5c1d\u8bd5\u51cf\u5c11\u53d1\u9001\u7a97\u53e3\u5230 100\uff0c\u628a\u7a97\u53e3\u7684\u53f3\u7aef\u5411\u5de6\u6536\u7f29\u4e86 80\uff0c\u6b64\u65f6\u53ef\u7528\u7a97\u53e3\u7684\u5927\u5c0f\u5c31\u4f1a\u51fa\u73b0\u8be1\u5f02\u7684\u8d1f\u503c\u3002<\/li><\/ol>\n\n\n\n<p>\u6240\u4ee5\uff0c\u5982\u679c\u53d1\u751f\u4e86\u5148\u51cf\u5c11\u7f13\u5b58\uff0c\u518d\u6536\u7f29\u7a97\u53e3\uff0c\u5c31\u4f1a\u51fa\u73b0\u4e22\u5305\u7684\u73b0\u8c61\u3002<\/p>\n\n\n\n<p><strong>\u4e3a\u4e86\u9632\u6b62\u8fd9\u79cd\u60c5\u51b5\u53d1\u751f\uff0cTCP \u89c4\u5b9a\u662f\u4e0d\u5141\u8bb8\u540c\u65f6\u51cf\u5c11\u7f13\u5b58\u53c8\u6536\u7f29\u7a97\u53e3\u7684\uff0c\u800c\u662f\u91c7\u7528\u5148\u6536\u7f29\u7a97\u53e3\uff0c\u8fc7\u6bb5\u65f6\u95f4\u518d\u51cf\u5c11\u7f13\u5b58\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u907f\u514d\u4e86\u4e22\u5305\u60c5\u51b5\u3002<\/strong><\/p>\n\n\n\n<h2>\u7a97\u53e3\u5173\u95ed<\/h2>\n\n\n\n<p>\u5728\u524d\u9762\u6211\u4eec\u90fd\u770b\u5230\u4e86\uff0cTCP \u901a\u8fc7\u8ba9\u63a5\u6536\u65b9\u6307\u660e\u5e0c\u671b\u4ece\u53d1\u9001\u65b9\u63a5\u6536\u7684\u6570\u636e\u5927\u5c0f\uff08\u7a97\u53e3\u5927\u5c0f\uff09\u6765\u8fdb\u884c\u6d41\u91cf\u63a7\u5236\u3002<\/p>\n\n\n\n<p><strong>\u5982\u679c\u7a97\u53e3\u5927\u5c0f\u4e3a 0 \u65f6\uff0c\u5c31\u4f1a\u963b\u6b62\u53d1\u9001\u65b9\u7ed9\u63a5\u6536\u65b9\u4f20\u9012\u6570\u636e\uff0c\u76f4\u5230\u7a97\u53e3\u53d8\u4e3a\u975e 0 \u4e3a\u6b62\uff0c\u8fd9\u5c31\u662f\u7a97\u53e3\u5173\u95ed\u3002<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>\u7a97\u53e3\u5173\u95ed\u6f5c\u5728\u7684\u5371\u9669<\/p><\/blockquote>\n\n\n\n<p>\u63a5\u6536\u65b9\u5411\u53d1\u9001\u65b9\u901a\u544a\u7a97\u53e3\u5927\u5c0f\u65f6\uff0c\u662f\u901a\u8fc7&nbsp;<code>ACK<\/code>&nbsp;\u62a5\u6587\u6765\u901a\u544a\u7684\u3002<\/p>\n\n\n\n<p>\u90a3\u4e48\uff0c\u5f53\u53d1\u751f\u7a97\u53e3\u5173\u95ed\u65f6\uff0c\u63a5\u6536\u65b9\u5904\u7406\u5b8c\u6570\u636e\u540e\uff0c\u4f1a\u5411\u53d1\u9001\u65b9\u901a\u544a\u4e00\u4e2a\u7a97\u53e3\u975e 0 \u7684 ACK \u62a5\u6587\uff0c\u5982\u679c\u8fd9\u4e2a\u901a\u544a\u7a97\u53e3\u7684 ACK \u62a5\u6587\u5728\u7f51\u7edc\u4e2d\u4e22\u5931\u4e86\uff0c\u90a3\u9ebb\u70e6\u5c31\u5927\u4e86\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"767\" src=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/24-1024x767.png\" alt=\"\" class=\"wp-image-273\" srcset=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/24-1024x767.png 1024w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/24-300x225.png 300w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/24-768x575.png 768w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/24.png 1104w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>\u7a97\u53e3\u5173\u95ed\u6f5c\u5728\u7684\u5371\u9669<\/figcaption><\/figure>\n\n\n\n<p>\u8fd9\u4f1a\u5bfc\u81f4\u53d1\u9001\u65b9\u4e00\u76f4\u7b49\u5f85\u63a5\u6536\u65b9\u7684\u975e 0 \u7a97\u53e3\u901a\u77e5\uff0c\u63a5\u6536\u65b9\u4e5f\u4e00\u76f4\u7b49\u5f85\u53d1\u9001\u65b9\u7684\u6570\u636e\uff0c\u5982\u4e0d\u91c7\u53d6\u63aa\u65bd\uff0c\u8fd9\u79cd\u76f8\u4e92\u7b49\u5f85\u7684\u8fc7\u7a0b\uff0c\u4f1a\u9020\u6210\u4e86\u6b7b\u9501\u7684\u73b0\u8c61\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>TCP \u662f\u5982\u4f55\u89e3\u51b3\u7a97\u53e3\u5173\u95ed\u65f6\uff0c\u6f5c\u5728\u7684\u6b7b\u9501\u73b0\u8c61\u5462\uff1f<\/p><\/blockquote>\n\n\n\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0cTCP \u4e3a\u6bcf\u4e2a\u8fde\u63a5\u8bbe\u6709\u4e00\u4e2a\u6301\u7eed\u5b9a\u65f6\u5668\uff0c<strong>\u53ea\u8981 TCP \u8fde\u63a5\u4e00\u65b9\u6536\u5230\u5bf9\u65b9\u7684\u96f6\u7a97\u53e3\u901a\u77e5\uff0c\u5c31\u542f\u52a8\u6301\u7eed\u8ba1\u65f6\u5668\u3002<\/strong><\/p>\n\n\n\n<p>\u5982\u679c\u6301\u7eed\u8ba1\u65f6\u5668\u8d85\u65f6\uff0c\u5c31\u4f1a\u53d1\u9001<strong>\u7a97\u53e3\u63a2\u6d4b ( Window probe ) \u62a5\u6587<\/strong>\uff0c\u800c\u5bf9\u65b9\u5728\u786e\u8ba4\u8fd9\u4e2a\u63a2\u6d4b\u62a5\u6587\u65f6\uff0c\u7ed9\u51fa\u81ea\u5df1\u73b0\u5728\u7684\u63a5\u6536\u7a97\u53e3\u5927\u5c0f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"767\" src=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/25-1024x767.png\" alt=\"\" class=\"wp-image-274\" srcset=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/25-1024x767.png 1024w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/25-300x225.png 300w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/25-768x575.png 768w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/25.png 1184w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>\u7a97\u53e3\u63a2\u6d4b<\/figcaption><\/figure>\n\n\n\n<ul><li>\u5982\u679c\u63a5\u6536\u7a97\u53e3\u4ecd\u7136\u4e3a 0\uff0c\u90a3\u4e48\u6536\u5230\u8fd9\u4e2a\u62a5\u6587\u7684\u4e00\u65b9\u5c31\u4f1a\u91cd\u65b0\u542f\u52a8\u6301\u7eed\u8ba1\u65f6\u5668\uff1b<\/li><li>\u5982\u679c\u63a5\u6536\u7a97\u53e3\u4e0d\u662f 0\uff0c\u90a3\u4e48\u6b7b\u9501\u7684\u5c40\u9762\u5c31\u53ef\u4ee5\u88ab\u6253\u7834\u4e86\u3002<\/li><\/ul>\n\n\n\n<p>\u7a97\u53e3\u63a2\u6d4b\u7684\u6b21\u6570\u4e00\u822c\u4e3a 3 \u6b21\uff0c\u6bcf\u6b21\u5927\u7ea6 30-60 \u79d2\uff08\u4e0d\u540c\u7684\u5b9e\u73b0\u53ef\u80fd\u4f1a\u4e0d\u4e00\u6837\uff09\u3002\u5982\u679c 3 \u6b21\u8fc7\u540e\u63a5\u6536\u7a97\u53e3\u8fd8\u662f 0 \u7684\u8bdd\uff0c\u6709\u7684 TCP \u5b9e\u73b0\u5c31\u4f1a\u53d1&nbsp;<code>RST<\/code>&nbsp;\u62a5\u6587\u6765\u4e2d\u65ad\u8fde\u63a5\u3002<\/p>\n\n\n\n<h2>\u7cca\u6d82\u7a97\u53e3\u7efc\u5408\u75c7<\/h2>\n\n\n\n<p>\u5982\u679c\u63a5\u6536\u65b9\u592a\u5fd9\u4e86\uff0c\u6765\u4e0d\u53ca\u53d6\u8d70\u63a5\u6536\u7a97\u53e3\u91cc\u7684\u6570\u636e\uff0c\u90a3\u4e48\u5c31\u4f1a\u5bfc\u81f4\u53d1\u9001\u65b9\u7684\u53d1\u9001\u7a97\u53e3\u8d8a\u6765\u8d8a\u5c0f\u3002<\/p>\n\n\n\n<p>\u5230\u6700\u540e\uff0c<strong>\u5982\u679c\u63a5\u6536\u65b9\u817e\u51fa\u51e0\u4e2a\u5b57\u8282\u5e76\u544a\u8bc9\u53d1\u9001\u65b9\u73b0\u5728\u6709\u51e0\u4e2a\u5b57\u8282\u7684\u7a97\u53e3\uff0c\u800c\u53d1\u9001\u65b9\u4f1a\u4e49\u65e0\u53cd\u987e\u5730\u53d1\u9001\u8fd9\u51e0\u4e2a\u5b57\u8282\uff0c\u8fd9\u5c31\u662f\u7cca\u6d82\u7a97\u53e3\u7efc\u5408\u75c7<\/strong>\u3002<\/p>\n\n\n\n<p>\u8981\u77e5\u9053\uff0c\u6211\u4eec\u7684&nbsp;<code>TCP + IP<\/code>&nbsp;\u5934\u6709&nbsp;<code>40<\/code>&nbsp;\u4e2a\u5b57\u8282\uff0c\u4e3a\u4e86\u4f20\u8f93\u90a3\u51e0\u4e2a\u5b57\u8282\u7684\u6570\u636e\uff0c\u8981\u8fbe\u4e0a\u8fd9\u4e48\u5927\u7684\u5f00\u9500\uff0c\u8fd9\u592a\u4e0d\u7ecf\u6d4e\u4e86\u3002<\/p>\n\n\n\n<p>\u5c31\u597d\u50cf\u4e00\u4e2a\u53ef\u4ee5\u627f\u8f7d 50 \u4eba\u7684\u5927\u5df4\u8f66\uff0c\u6bcf\u6b21\u6765\u4e86\u4e00\u4e24\u4e2a\u4eba\uff0c\u5c31\u76f4\u63a5\u53d1\u8f66\u3002\u9664\u975e\u5bb6\u91cc\u6709\u77ff\u7684\u5927\u5df4\u53f8\u673a\uff0c\u624d\u6562\u8fd9\u6837\u73a9\uff0c\u4e0d\u7136\u8fdf\u65e9\u7834\u4ea7\u3002\u8981\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u4e5f\u4e0d\u96be\uff0c\u5927\u5df4\u53f8\u673a\u7b49\u4e58\u5ba2\u6570\u91cf\u8d85\u8fc7\u4e86 25 \u4e2a\uff0c\u624d\u8ba4\u5b9a\u53ef\u4ee5\u53d1\u8f66\u3002<\/p>\n\n\n\n<p>\u73b0\u4e3e\u4e2a\u7cca\u6d82\u7a97\u53e3\u7efc\u5408\u75c7\u7684\u6817\u5b50\uff0c\u8003\u8651\u4ee5\u4e0b\u573a\u666f\uff1a<\/p>\n\n\n\n<p>\u63a5\u6536\u65b9\u7684\u7a97\u53e3\u5927\u5c0f\u662f 360 \u5b57\u8282\uff0c\u4f46\u63a5\u6536\u65b9\u7531\u4e8e\u67d0\u4e9b\u539f\u56e0\u9677\u5165\u56f0\u5883\uff0c\u5047\u8bbe\u63a5\u6536\u65b9\u7684\u5e94\u7528\u5c42\u8bfb\u53d6\u7684\u80fd\u529b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul><li>\u63a5\u6536\u65b9\u6bcf\u63a5\u6536 3 \u4e2a\u5b57\u8282\uff0c\u5e94\u7528\u7a0b\u5e8f\u5c31\u53ea\u80fd\u4ece\u7f13\u51b2\u533a\u4e2d\u8bfb\u53d6 1 \u4e2a\u5b57\u8282\u7684\u6570\u636e\uff1b<\/li><li>\u5728\u4e0b\u4e00\u4e2a\u53d1\u9001\u65b9\u7684 TCP \u6bb5\u5230\u8fbe\u4e4b\u524d\uff0c\u5e94\u7528\u7a0b\u5e8f\u8fd8\u4ece\u7f13\u51b2\u533a\u4e2d\u8bfb\u53d6\u4e86 40 \u4e2a\u989d\u5916\u7684\u5b57\u8282\uff1b<\/li><\/ul>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"996\" src=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/26-1024x996.png\" alt=\"\" class=\"wp-image-275\" srcset=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/26-1024x996.png 1024w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/26-300x292.png 300w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/26-768x747.png 768w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/26-1536x1493.png 1536w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/26.png 1653w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>\u7cca\u6d82\u7a97\u53e3\u7efc\u5408\u75c7<\/figcaption><\/figure>\n\n\n\n<p>\u6bcf\u4e2a\u8fc7\u7a0b\u7684\u7a97\u53e3\u5927\u5c0f\u7684\u53d8\u5316\uff0c\u5728\u56fe\u4e2d\u90fd\u63cf\u8ff0\u7684\u5f88\u6e05\u695a\u4e86\uff0c\u53ef\u4ee5\u53d1\u73b0\u7a97\u53e3\u4e0d\u65ad\u51cf\u5c11\u4e86\uff0c\u5e76\u4e14\u53d1\u9001\u7684\u6570\u636e\u90fd\u662f\u6bd4\u8f83\u5c0f\u7684\u4e86\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\uff0c\u7cca\u6d82\u7a97\u53e3\u7efc\u5408\u75c7\u7684\u73b0\u8c61\u662f\u53ef\u4ee5\u53d1\u751f\u5728\u53d1\u9001\u65b9\u548c\u63a5\u6536\u65b9\uff1a<\/p>\n\n\n\n<ul><li>\u63a5\u6536\u65b9\u53ef\u4ee5\u901a\u544a\u4e00\u4e2a\u5c0f\u7684\u7a97\u53e3<\/li><li>\u800c\u53d1\u9001\u65b9\u53ef\u4ee5\u53d1\u9001\u5c0f\u6570\u636e<\/li><\/ul>\n\n\n\n<p>\u4e8e\u662f\uff0c\u8981\u89e3\u51b3\u7cca\u6d82\u7a97\u53e3\u7efc\u5408\u75c7\uff0c\u5c31\u89e3\u51b3\u4e0a\u9762\u4e24\u4e2a\u95ee\u9898\u5c31\u53ef\u4ee5\u4e86<\/p>\n\n\n\n<ul><li>\u8ba9\u63a5\u6536\u65b9\u4e0d\u901a\u544a\u5c0f\u7a97\u53e3\u7ed9\u53d1\u9001\u65b9<\/li><li>\u8ba9\u53d1\u9001\u65b9\u907f\u514d\u53d1\u9001\u5c0f\u6570\u636e<\/li><\/ul>\n\n\n\n<p><\/p>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>\u600e\u4e48\u8ba9\u63a5\u6536\u65b9\u4e0d\u901a\u544a\u5c0f\u7a97\u53e3\u5462\uff1f<\/p><\/blockquote>\n\n\n\n<p>\u63a5\u6536\u65b9\u901a\u5e38\u7684\u7b56\u7565\u5982\u4e0b:<\/p>\n\n\n\n<p>\u5f53\u300c\u7a97\u53e3\u5927\u5c0f\u300d\u5c0f\u4e8e min( MSS\uff0c\u7f13\u5b58\u7a7a\u95f4\/2 ) \uff0c\u4e5f\u5c31\u662f\u5c0f\u4e8e MSS \u4e0e 1\/2 \u7f13\u5b58\u5927\u5c0f\u4e2d\u7684\u6700\u5c0f\u503c\u65f6\uff0c\u5c31\u4f1a\u5411\u53d1\u9001\u65b9\u901a\u544a\u7a97\u53e3\u4e3a&nbsp;<code>0<\/code>\uff0c\u4e5f\u5c31\u963b\u6b62\u4e86\u53d1\u9001\u65b9\u518d\u53d1\u6570\u636e\u8fc7\u6765\u3002<\/p>\n\n\n\n<p>\u7b49\u5230\u63a5\u6536\u65b9\u5904\u7406\u4e86\u4e00\u4e9b\u6570\u636e\u540e\uff0c\u7a97\u53e3\u5927\u5c0f &gt;= MSS\uff0c\u6216\u8005\u63a5\u6536\u65b9\u7f13\u5b58\u7a7a\u95f4\u6709\u4e00\u534a\u53ef\u4ee5\u4f7f\u7528\uff0c\u5c31\u53ef\u4ee5\u628a\u7a97\u53e3\u6253\u5f00\u8ba9\u53d1\u9001\u65b9\u53d1\u9001\u6570\u636e\u8fc7\u6765\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>\u600e\u4e48\u8ba9\u53d1\u9001\u65b9\u907f\u514d\u53d1\u9001\u5c0f\u6570\u636e\u5462\uff1f<\/p><\/blockquote>\n\n\n\n<p>\u53d1\u9001\u65b9\u901a\u5e38\u7684\u7b56\u7565:<\/p>\n\n\n\n<p>\u4f7f\u7528 Nagle \u7b97\u6cd5\uff0c\u8be5\u7b97\u6cd5\u7684\u601d\u8def\u662f\u5ef6\u65f6\u5904\u7406\uff0c\u5b83\u6ee1\u8db3\u4ee5\u4e0b\u4e24\u4e2a\u6761\u4ef6\u4e2d\u7684\u4e00\u6761\u624d\u53ef\u4ee5\u53d1\u9001\u6570\u636e\uff1a<\/p>\n\n\n\n<ul><li>\u8981\u7b49\u5230\u7a97\u53e3\u5927\u5c0f &gt;=&nbsp;<code>MSS<\/code>&nbsp;\u6216\u662f \u6570\u636e\u5927\u5c0f &gt;=&nbsp;<code>MSS<\/code><\/li><li>\u6536\u5230\u4e4b\u524d\u53d1\u9001\u6570\u636e\u7684&nbsp;<code>ack<\/code>&nbsp;\u56de\u5305<\/li><\/ul>\n\n\n\n<p>\u53ea\u8981\u6ca1\u6ee1\u8db3\u4e0a\u9762\u6761\u4ef6\u4e2d\u7684\u4e00\u6761\uff0c\u53d1\u9001\u65b9\u4e00\u76f4\u5728\u56e4\u79ef\u6570\u636e\uff0c\u76f4\u5230\u6ee1\u8db3\u4e0a\u9762\u7684\u53d1\u9001\u6761\u4ef6\u3002<\/p>\n\n\n\n<p>\u53e6\u5916\uff0cNagle \u7b97\u6cd5\u9ed8\u8ba4\u662f\u6253\u5f00\u7684\uff0c\u5982\u679c\u5bf9\u4e8e\u4e00\u4e9b\u9700\u8981\u5c0f\u6570\u636e\u5305\u4ea4\u4e92\u7684\u573a\u666f\u7684\u7a0b\u5e8f\uff0c\u6bd4\u5982\uff0ctelnet \u6216 ssh \u8fd9\u6837\u7684\u4ea4\u4e92\u6027\u6bd4\u8f83\u5f3a\u7684\u7a0b\u5e8f\uff0c\u5219\u9700\u8981\u5173\u95ed Nagle \u7b97\u6cd5\u3002<\/p>\n\n\n\n<p>\u53ef\u4ee5\u5728 Socket \u8bbe\u7f6e&nbsp;<code>TCP_NODELAY<\/code>&nbsp;\u9009\u9879\u6765\u5173\u95ed\u8fd9\u4e2a\u7b97\u6cd5\uff08\u5173\u95ed Nagle \u7b97\u6cd5\u6ca1\u6709\u5168\u5c40\u53c2\u6570\uff0c\u9700\u8981\u6839\u636e\u6bcf\u4e2a\u5e94\u7528\u81ea\u5df1\u7684\u7279\u70b9\u6765\u5173\u95ed\uff09<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>setsockopt(sock_fd,\u00a0IPPROTO_TCP,\u00a0TCP_NODELAY,\u00a0(char\u00a0*)&amp;value,\u00a0sizeof(int));\r<\/code><\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8f6c\u8f7d\u4e8e\uff1ahttps:\/\/www.cnblogs.com\/xiaolincoding\/p\/12732052.ht [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[],"_links":{"self":[{"href":"http:\/\/blog.kijk.top\/index.php?rest_route=\/wp\/v2\/posts\/269"}],"collection":[{"href":"http:\/\/blog.kijk.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.kijk.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.kijk.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.kijk.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=269"}],"version-history":[{"count":1,"href":"http:\/\/blog.kijk.top\/index.php?rest_route=\/wp\/v2\/posts\/269\/revisions"}],"predecessor-version":[{"id":276,"href":"http:\/\/blog.kijk.top\/index.php?rest_route=\/wp\/v2\/posts\/269\/revisions\/276"}],"wp:attachment":[{"href":"http:\/\/blog.kijk.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.kijk.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=269"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.kijk.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}