{"id":257,"date":"2022-05-31T14:22:42","date_gmt":"2022-05-31T06:22:42","guid":{"rendered":"http:\/\/blog.kijk.top\/?p=257"},"modified":"2022-05-31T14:23:28","modified_gmt":"2022-05-31T06:23:28","slug":"tcp-%e6%bb%91%e5%8a%a8%e7%aa%97%e5%8f%a3","status":"publish","type":"post","link":"http:\/\/blog.kijk.top\/?p=257","title":{"rendered":"TCP \u6ed1\u52a8\u7a97\u53e3"},"content":{"rendered":"\n<p>\u8f6c\u8f7d\u4e8e\uff1ahttps:\/\/www.cnblogs.com\/xiaolincoding\/p\/12732052.html<\/p>\n\n\n\n<p>\u539f\u4f5c\u8005\u5199\u5f97\u5f88\u8be6\u7ec6\uff0c\u53d7\u76ca\u532a\u6d45\uff0c\u5728\u6b64\u7531\u8877\u611f\u8c22\uff01<\/p>\n\n\n\n<p><\/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<blockquote class=\"wp-block-quote\"><p>\u5f15\u5165\u7a97\u53e3\u6982\u5ff5\u7684\u539f\u56e0<\/p><\/blockquote>\n\n\n\n<p>\u6211\u4eec\u90fd\u77e5\u9053 TCP \u662f\u6bcf\u53d1\u9001\u4e00\u4e2a\u6570\u636e\uff0c\u90fd\u8981\u8fdb\u884c\u4e00\u6b21\u786e\u8ba4\u5e94\u7b54\u3002\u5f53\u4e0a\u4e00\u4e2a\u6570\u636e\u5305\u6536\u5230\u4e86\u5e94\u7b54\u4e86\uff0c \u518d\u53d1\u9001\u4e0b\u4e00\u4e2a\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e2a\u6a21\u5f0f\u5c31\u6709\u70b9\u50cf\u6211\u548c\u4f60\u9762\u5bf9\u9762\u804a\u5929\uff0c\u4f60\u4e00\u53e5\u6211\u4e00\u53e5\u3002\u4f46\u8fd9\u79cd\u65b9\u5f0f\u7684\u7f3a\u70b9\u662f\u6548\u7387\u6bd4\u8f83\u4f4e\u7684\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u4f60\u8bf4\u5b8c\u4e00\u53e5\u8bdd\uff0c\u6211\u5728\u5904\u7406\u5176\u4ed6\u4e8b\u60c5\uff0c\u6ca1\u6709\u53ca\u65f6\u56de\u590d\u4f60\uff0c\u90a3\u4f60\u4e0d\u662f\u8981\u5e72\u7b49\u7740\u6211\u505a\u5b8c\u5176\u4ed6\u4e8b\u60c5\u540e\uff0c\u6211\u56de\u590d\u4f60\uff0c\u4f60\u624d\u80fd\u8bf4\u4e0b\u4e00\u53e5\u8bdd\uff0c\u5f88\u663e\u7136\u8fd9\u4e0d\u73b0\u5b9e\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"498\" height=\"617\" src=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/14.png\" alt=\"\" class=\"wp-image-258\" srcset=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/14.png 498w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/14-242x300.png 242w\" sizes=\"(max-width: 498px) 100vw, 498px\" \/><figcaption>\u6309\u6570\u636e\u5305\u8fdb\u884c\u786e\u8ba4\u5e94\u7b54<\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>\u6240\u4ee5\uff0c\u8fd9\u6837\u7684\u4f20\u8f93\u65b9\u5f0f\u6709\u4e00\u4e2a\u7f3a\u70b9\uff1a\u6570\u636e\u5305\u7684<strong>\u5f80\u8fd4\u65f6\u95f4\u8d8a\u957f\uff0c\u901a\u4fe1\u7684\u6548\u7387\u5c31\u8d8a\u4f4e<\/strong>\u3002<\/p>\n\n\n\n<p>\u4e3a\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0cTCP \u5f15\u5165\u4e86<strong>\u7a97\u53e3<\/strong>\u8fd9\u4e2a\u6982\u5ff5\u3002\u5373\u4f7f\u5728\u5f80\u8fd4\u65f6\u95f4\u8f83\u957f\u7684\u60c5\u51b5\u4e0b\uff0c\u5b83\u4e5f\u4e0d\u4f1a\u964d\u4f4e\u7f51\u7edc\u901a\u4fe1\u7684\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u90a3\u4e48\u6709\u4e86\u7a97\u53e3\uff0c\u5c31\u53ef\u4ee5\u6307\u5b9a\u7a97\u53e3\u5927\u5c0f\uff0c\u7a97\u53e3\u5927\u5c0f\u5c31\u662f\u6307<strong>\u65e0\u9700\u7b49\u5f85\u786e\u8ba4\u5e94\u7b54\uff0c\u800c\u53ef\u4ee5\u7ee7\u7eed\u53d1\u9001\u6570\u636e\u7684\u6700\u5927\u503c<\/strong>\u3002<\/p>\n\n\n\n<p>\u7a97\u53e3\u7684\u5b9e\u73b0\u5b9e\u9645\u4e0a\u662f\u64cd\u4f5c\u7cfb\u7edf\u5f00\u8f9f\u7684\u4e00\u4e2a\u7f13\u5b58\u7a7a\u95f4\uff0c\u53d1\u9001\u65b9\u4e3b\u673a\u5728\u7b49\u5230\u786e\u8ba4\u5e94\u7b54\u8fd4\u56de\u4e4b\u524d\uff0c\u5fc5\u987b\u5728\u7f13\u51b2\u533a\u4e2d\u4fdd\u7559\u5df2\u53d1\u9001\u7684\u6570\u636e\u3002\u5982\u679c\u6309\u671f\u6536\u5230\u786e\u8ba4\u5e94\u7b54\uff0c\u6b64\u65f6\u6570\u636e\u5c31\u53ef\u4ee5\u4ece\u7f13\u5b58\u533a\u6e05\u9664\u3002<\/p>\n\n\n\n<p>\u5047\u8bbe\u7a97\u53e3\u5927\u5c0f\u4e3a&nbsp;<code>3<\/code>&nbsp;\u4e2a TCP \u6bb5\uff0c\u90a3\u4e48\u53d1\u9001\u65b9\u5c31\u53ef\u4ee5\u300c\u8fde\u7eed\u53d1\u9001\u300d&nbsp;<code>3<\/code>&nbsp;\u4e2a TCP \u6bb5\uff0c\u5e76\u4e14\u4e2d\u9014\u82e5\u6709 ACK \u4e22\u5931\uff0c\u53ef\u4ee5\u901a\u8fc7\u300c\u4e0b\u4e00\u4e2a\u786e\u8ba4\u5e94\u7b54\u8fdb\u884c\u786e\u8ba4\u300d\u3002\u5982\u4e0b\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"857\" height=\"602\" src=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/15.png\" alt=\"\" class=\"wp-image-259\" srcset=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/15.png 857w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/15-300x211.png 300w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/15-768x539.png 768w\" sizes=\"(max-width: 857px) 100vw, 857px\" \/><figcaption>\u7528\u6ed1\u52a8\u7a97\u53e3\u65b9\u5f0f\u5e76\u884c\u5904\u7406<\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>\u56fe\u4e2d\u7684 ACK 600 \u786e\u8ba4\u5e94\u7b54\u62a5\u6587\u4e22\u5931\uff0c\u4e5f\u6ca1\u5173\u7cfb\uff0c\u56e0\u4e3a\u53ef\u4ee5\u901a\u8fc7\u4e0b\u4e00\u4e2a\u786e\u8ba4\u5e94\u7b54\u8fdb\u884c\u786e\u8ba4\uff0c\u53ea\u8981\u53d1\u9001\u65b9\u6536\u5230\u4e86 ACK 700 \u786e\u8ba4\u5e94\u7b54\uff0c\u5c31\u610f\u5473\u7740 700 \u4e4b\u524d\u7684\u6240\u6709\u6570\u636e\u300c\u63a5\u6536\u65b9\u300d\u90fd\u6536\u5230\u4e86\u3002\u8fd9\u4e2a\u6a21\u5f0f\u5c31\u53eb<strong>\u7d2f\u8ba1\u786e\u8ba4<\/strong>\u6216\u8005<strong>\u7d2f\u8ba1\u5e94\u7b54<\/strong>\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>\u7a97\u53e3\u5927\u5c0f\u7531\u54ea\u4e00\u65b9\u51b3\u5b9a\uff1f<\/p><\/blockquote>\n\n\n\n<p>TCP \u5934\u91cc\u6709\u4e00\u4e2a\u5b57\u6bb5\u53eb&nbsp;<code>Window<\/code>\uff0c\u4e5f\u5c31\u662f\u7a97\u53e3\u5927\u5c0f\u3002<\/p>\n\n\n\n<p><strong>\u8fd9\u4e2a\u5b57\u6bb5\u662f\u63a5\u6536\u7aef\u544a\u8bc9\u53d1\u9001\u7aef\u81ea\u5df1\u8fd8\u6709\u591a\u5c11\u7f13\u51b2\u533a\u53ef\u4ee5\u63a5\u6536\u6570\u636e\u3002\u4e8e\u662f\u53d1\u9001\u7aef\u5c31\u53ef\u4ee5\u6839\u636e\u8fd9\u4e2a\u63a5\u6536\u7aef\u7684\u5904\u7406\u80fd\u529b\u6765\u53d1\u9001\u6570\u636e\uff0c\u800c\u4e0d\u4f1a\u5bfc\u81f4\u63a5\u6536\u7aef\u5904\u7406\u4e0d\u8fc7\u6765\u3002<\/strong><\/p>\n\n\n\n<p>\u6240\u4ee5\uff0c\u901a\u5e38\u7a97\u53e3\u7684\u5927\u5c0f\u662f\u7531\u63a5\u6536\u65b9\u7684\u7a97\u53e3\u5927\u5c0f\u6765\u51b3\u5b9a\u7684\u3002<\/p>\n\n\n\n<p>\u53d1\u9001\u65b9\u53d1\u9001\u7684\u6570\u636e\u5927\u5c0f\u4e0d\u80fd\u8d85\u8fc7\u63a5\u6536\u65b9\u7684\u7a97\u53e3\u5927\u5c0f\uff0c\u5426\u5219\u63a5\u6536\u65b9\u5c31\u65e0\u6cd5\u6b63\u5e38\u63a5\u6536\u5230\u6570\u636e\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>\u53d1\u9001\u65b9\u7684\u6ed1\u52a8\u7a97\u53e3<\/p><\/blockquote>\n\n\n\n<p>\u6211\u4eec\u5148\u6765\u770b\u770b\u53d1\u9001\u65b9\u7684\u7a97\u53e3\uff0c\u4e0b\u56fe\u5c31\u662f\u53d1\u9001\u65b9\u7f13\u5b58\u7684\u6570\u636e\uff0c\u6839\u636e\u5904\u7406\u7684\u60c5\u51b5\u5206\u6210\u56db\u4e2a\u90e8\u5206\uff0c\u5176\u4e2d\u6df1\u84dd\u8272\u65b9\u6846\u662f\u53d1\u9001\u7a97\u53e3\uff0c\u7d2b\u8272\u65b9\u6846\u662f\u53ef\u7528\u7a97\u53e3\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"346\" src=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/16-1024x346.png\" alt=\"\" class=\"wp-image-260\" srcset=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/16-1024x346.png 1024w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/16-300x101.png 300w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/16-768x260.png 768w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/16.png 1428w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ul><li>#1 \u662f\u5df2\u53d1\u9001\u5e76\u6536\u5230 ACK\u786e\u8ba4\u7684\u6570\u636e\uff1a1~31 \u5b57\u8282<\/li><li>#2 \u662f\u5df2\u53d1\u9001\u4f46\u672a\u6536\u5230 ACK\u786e\u8ba4\u7684\u6570\u636e\uff1a32~45 \u5b57\u8282<\/li><li>#3 \u662f\u672a\u53d1\u9001\u4f46\u603b\u5927\u5c0f\u5728\u63a5\u6536\u65b9\u5904\u7406\u8303\u56f4\u5185\uff08\u63a5\u6536\u65b9\u8fd8\u6709\u7a7a\u95f4\uff09\uff1a46~51\u5b57\u8282<\/li><li>#4 \u662f\u672a\u53d1\u9001\u4f46\u603b\u5927\u5c0f\u8d85\u8fc7\u63a5\u6536\u65b9\u5904\u7406\u8303\u56f4\uff08\u63a5\u6536\u65b9\u6ca1\u6709\u7a7a\u95f4\uff09\uff1a52\u5b57\u8282\u4ee5\u540e<\/li><\/ul>\n\n\n\n<p>\u5728\u4e0b\u56fe\uff0c\u5f53\u53d1\u9001\u65b9\u628a\u6570\u636e\u300c\u5168\u90e8\u300d\u90fd\u4e00\u4e0b\u53d1\u9001\u51fa\u53bb\u540e\uff0c\u53ef\u7528\u7a97\u53e3\u7684\u5927\u5c0f\u5c31\u4e3a 0 \u4e86\uff0c\u8868\u660e\u53ef\u7528\u7a97\u53e3\u8017\u5c3d\uff0c\u5728\u6ca1\u6536\u5230 ACK \u786e\u8ba4\u4e4b\u524d\u662f\u65e0\u6cd5\u7ee7\u7eed\u53d1\u9001\u6570\u636e\u4e86\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"282\" src=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/17-1024x282.png\" alt=\"\" class=\"wp-image-261\" srcset=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/17-1024x282.png 1024w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/17-300x83.png 300w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/17-768x211.png 768w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/17.png 1428w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>\u53ef\u7528\u7a97\u53e3\u8017\u5c3d<\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>\u5728\u4e0b\u56fe\uff0c\u5f53\u6536\u5230\u4e4b\u524d\u53d1\u9001\u7684\u6570\u636e&nbsp;<code>32~36<\/code>&nbsp;\u5b57\u8282\u7684 ACK \u786e\u8ba4\u5e94\u7b54\u540e\uff0c\u5982\u679c\u53d1\u9001\u7a97\u53e3\u7684\u5927\u5c0f\u6ca1\u6709\u53d8\u5316\uff0c\u5219<strong>\u6ed1\u52a8\u7a97\u53e3\u5f80\u53f3\u8fb9\u79fb\u52a8 5 \u4e2a\u5b57\u8282\uff0c\u56e0\u4e3a\u6709 5 \u4e2a\u5b57\u8282\u7684\u6570\u636e\u88ab\u5e94\u7b54\u786e\u8ba4<\/strong>\uff0c\u63a5\u4e0b\u6765&nbsp;<code>52~56<\/code>&nbsp;\u5b57\u8282\u53c8\u53d8\u6210\u4e86\u53ef\u7528\u7a97\u53e3\uff0c\u90a3\u4e48\u540e\u7eed\u4e5f\u5c31\u53ef\u4ee5\u53d1\u9001&nbsp;<code>52~56<\/code>&nbsp;\u8fd9 5 \u4e2a\u5b57\u8282\u7684\u6570\u636e\u4e86\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"260\" src=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/18-1024x260.png\" alt=\"\" class=\"wp-image-262\" srcset=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/18-1024x260.png 1024w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/18-300x76.png 300w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/18-768x195.png 768w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/18-1536x390.png 1536w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/18.png 1608w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>32 ~ 36 \u5b57\u8282\u5df2\u786e\u8ba4<\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>\u7a0b\u5e8f\u662f\u5982\u4f55\u8868\u793a\u53d1\u9001\u65b9\u7684\u56db\u4e2a\u90e8\u5206\u7684\u5462\uff1f<\/p><\/blockquote>\n\n\n\n<p>TCP \u6ed1\u52a8\u7a97\u53e3\u65b9\u6848\u4f7f\u7528\u4e09\u4e2a\u6307\u9488\u6765\u8ddf\u8e2a\u5728\u56db\u4e2a\u4f20\u8f93\u7c7b\u522b\u4e2d\u7684\u6bcf\u4e00\u4e2a\u7c7b\u522b\u4e2d\u7684\u5b57\u8282\u3002\u5176\u4e2d\u4e24\u4e2a\u6307\u9488\u662f\u7edd\u5bf9\u6307\u9488\uff08\u6307\u7279\u5b9a\u7684\u5e8f\u5217\u53f7\uff09\uff0c\u4e00\u4e2a\u662f\u76f8\u5bf9\u6307\u9488\uff08\u9700\u8981\u505a\u504f\u79fb\uff09\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"368\" src=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/19-1024x368.png\" alt=\"\" class=\"wp-image-263\" srcset=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/19-1024x368.png 1024w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/19-300x108.png 300w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/19-768x276.png 768w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/19.png 1428w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>SND.WND\u3001SND.UNA\u3001SND.NXT<\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<ul><li><code>SND.WND<\/code>\uff1a\u8868\u793a\u53d1\u9001\u7a97\u53e3\u7684\u5927\u5c0f\uff08\u5927\u5c0f\u662f\u7531\u63a5\u6536\u65b9\u6307\u5b9a\u7684\uff09\uff1b<\/li><li><code>SND.UNA<\/code>\uff1a\u662f\u4e00\u4e2a\u7edd\u5bf9\u6307\u9488\uff0c\u5b83\u6307\u5411\u7684\u662f\u5df2\u53d1\u9001\u4f46\u672a\u6536\u5230\u786e\u8ba4\u7684\u7b2c\u4e00\u4e2a\u5b57\u8282\u7684\u5e8f\u5217\u53f7\uff0c\u4e5f\u5c31\u662f #2 \u7684\u7b2c\u4e00\u4e2a\u5b57\u8282\u3002<\/li><li><code>SND.NXT<\/code>\uff1a\u4e5f\u662f\u4e00\u4e2a\u7edd\u5bf9\u6307\u9488\uff0c\u5b83\u6307\u5411\u672a\u53d1\u9001\u4f46\u53ef\u53d1\u9001\u8303\u56f4\u7684\u7b2c\u4e00\u4e2a\u5b57\u8282\u7684\u5e8f\u5217\u53f7\uff0c\u4e5f\u5c31\u662f #3 \u7684\u7b2c\u4e00\u4e2a\u5b57\u8282\u3002<\/li><li>\u6307\u5411 #4 \u7684\u7b2c\u4e00\u4e2a\u5b57\u8282\u662f\u4e2a\u76f8\u5bf9\u6307\u9488\uff0c\u5b83\u9700\u8981&nbsp;<code>SND.UNA<\/code>&nbsp;\u6307\u9488\u52a0\u4e0a&nbsp;<code>SND.WND<\/code>&nbsp;\u5927\u5c0f\u7684\u504f\u79fb\u91cf\uff0c\u5c31\u53ef\u4ee5\u6307\u5411 #4 \u7684\u7b2c\u4e00\u4e2a\u5b57\u8282\u4e86\u3002<\/li><\/ul>\n\n\n\n<p>\u90a3\u4e48\u53ef\u7528\u7a97\u53e3\u5927\u5c0f\u7684\u8ba1\u7b97\u5c31\u53ef\u4ee5\u662f\uff1a<\/p>\n\n\n\n<p><strong>\u53ef\u7528\u7a97\u53e3\u5927 = SND.WND -\uff08SND.NXT &#8211; SND.UNA\uff09<\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>\u63a5\u6536\u65b9\u7684\u6ed1\u52a8\u7a97\u53e3<\/p><\/blockquote>\n\n\n\n<p>\u63a5\u4e0b\u6765\u6211\u4eec\u770b\u770b\u63a5\u6536\u65b9\u7684\u7a97\u53e3\uff0c\u63a5\u6536\u7a97\u53e3\u76f8\u5bf9\u7b80\u5355\u4e00\u4e9b\uff0c\u6839\u636e\u5904\u7406\u7684\u60c5\u51b5\u5212\u5206\u6210\u4e09\u4e2a\u90e8\u5206\uff1a<\/p>\n\n\n\n<ul><li>#1 + #2 \u662f\u5df2\u6210\u529f\u63a5\u6536\u5e76\u786e\u8ba4\u7684\u6570\u636e\uff08\u7b49\u5f85\u5e94\u7528\u8fdb\u7a0b\u8bfb\u53d6\uff09\uff1b<\/li><li>#3 \u662f\u672a\u6536\u5230\u6570\u636e\u4f46\u53ef\u4ee5\u63a5\u6536\u7684\u6570\u636e\uff1b<\/li><li>#4 \u672a\u6536\u5230\u6570\u636e\u5e76\u4e0d\u53ef\u4ee5\u63a5\u6536\u7684\u6570\u636e\uff1b<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"356\" src=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/20-1024x356.png\" alt=\"\" class=\"wp-image-264\" srcset=\"http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/20-1024x356.png 1024w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/20-300x104.png 300w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/20-768x267.png 768w, http:\/\/blog.kijk.top\/wp-content\/uploads\/2022\/05\/20.png 1428w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>\u63a5\u6536\u7a97\u53e3<\/figcaption><\/figure>\n\n\n\n<p>\u5176\u4e2d\u4e09\u4e2a\u63a5\u6536\u90e8\u5206\uff0c\u4f7f\u7528\u4e24\u4e2a\u6307\u9488\u8fdb\u884c\u5212\u5206:<\/p>\n\n\n\n<ul><li><code>RCV.WND<\/code>\uff1a\u8868\u793a\u63a5\u6536\u7a97\u53e3\u7684\u5927\u5c0f\uff0c\u5b83\u4f1a\u901a\u544a\u7ed9\u53d1\u9001\u65b9\u3002<\/li><li><code>RCV.NXT<\/code>\uff1a\u662f\u4e00\u4e2a\u6307\u9488\uff0c\u5b83\u6307\u5411\u671f\u671b\u4ece\u53d1\u9001\u65b9\u53d1\u9001\u6765\u7684\u4e0b\u4e00\u4e2a\u6570\u636e\u5b57\u8282\u7684\u5e8f\u5217\u53f7\uff0c\u4e5f\u5c31\u662f #3 \u7684\u7b2c\u4e00\u4e2a\u5b57\u8282\u3002<\/li><li>\u6307\u5411 #4 \u7684\u7b2c\u4e00\u4e2a\u5b57\u8282\u662f\u4e2a\u76f8\u5bf9\u6307\u9488\uff0c\u5b83\u9700\u8981&nbsp;<code>RCV.NXT<\/code>&nbsp;\u6307\u9488\u52a0\u4e0a&nbsp;<code>RCV.WND<\/code>&nbsp;\u5927\u5c0f\u7684\u504f\u79fb\u91cf\uff0c\u5c31\u53ef\u4ee5\u6307\u5411 #4 \u7684\u7b2c\u4e00\u4e2a\u5b57\u8282\u4e86\u3002<\/li><\/ul>\n\n\n\n<p><\/p>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>\u63a5\u6536\u7a97\u53e3\u548c\u53d1\u9001\u7a97\u53e3\u7684\u5927\u5c0f\u662f\u76f8\u7b49\u7684\u5417\uff1f<\/p><\/blockquote>\n\n\n\n<p>\u5e76\u4e0d\u662f\u5b8c\u5168\u76f8\u7b49\uff0c\u63a5\u6536\u7a97\u53e3\u7684\u5927\u5c0f\u662f<strong>\u7ea6\u7b49\u4e8e<\/strong>\u53d1\u9001\u7a97\u53e3\u7684\u5927\u5c0f\u7684\u3002<\/p>\n\n\n\n<p>\u56e0\u4e3a\u6ed1\u52a8\u7a97\u53e3\u5e76\u4e0d\u662f\u4e00\u6210\u4e0d\u53d8\u7684\u3002\u6bd4\u5982\uff0c\u5f53\u63a5\u6536\u65b9\u7684\u5e94\u7528\u8fdb\u7a0b\u8bfb\u53d6\u6570\u636e\u7684\u901f\u5ea6\u975e\u5e38\u5feb\u7684\u8bdd\uff0c\u8fd9\u6837\u7684\u8bdd\u63a5\u6536\u7a97\u53e3\u53ef\u4ee5\u5f88\u5feb\u7684\u5c31\u7a7a\u7f3a\u51fa\u6765\u3002\u90a3\u4e48\u65b0\u7684\u63a5\u6536\u7a97\u53e3\u5927\u5c0f\uff0c\u662f\u901a\u8fc7 TCP \u62a5\u6587\u4e2d\u7684 Windows \u5b57\u6bb5\u6765\u544a\u8bc9\u53d1\u9001\u65b9\u3002\u90a3\u4e48\u8fd9\u4e2a\u4f20\u8f93\u8fc7\u7a0b\u662f\u5b58\u5728\u65f6\u5ef6\u7684\uff0c\u6240\u4ee5\u63a5\u6536\u7a97\u53e3\u548c\u53d1\u9001\u7a97\u53e3\u662f\u7ea6\u7b49\u4e8e\u7684\u5173\u7cfb\u3002<\/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\/257"}],"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=257"}],"version-history":[{"count":2,"href":"http:\/\/blog.kijk.top\/index.php?rest_route=\/wp\/v2\/posts\/257\/revisions"}],"predecessor-version":[{"id":268,"href":"http:\/\/blog.kijk.top\/index.php?rest_route=\/wp\/v2\/posts\/257\/revisions\/268"}],"wp:attachment":[{"href":"http:\/\/blog.kijk.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=257"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.kijk.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=257"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.kijk.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=257"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}