{"id":406,"date":"2025-10-30T17:27:09","date_gmt":"2025-10-30T09:27:09","guid":{"rendered":"http:\/\/www.tgwttt.xyz\/?p=406"},"modified":"2025-11-24T16:35:46","modified_gmt":"2025-11-24T08:35:46","slug":"%e8%af%a6%e8%a7%a3tcp%e9%80%9a%e4%bf%a1","status":"publish","type":"post","link":"https:\/\/www.tgwttt.xyz\/?p=406","title":{"rendered":"\u8be6\u89e3tcp\u901a\u4fe1"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n
\n

TCP\u534f\u8bae<\/strong><\/p>\n\n\n\n

Tcp\u534f\u8bae\u5168\u79f0\u4e3a”\u4f20\u8f93\u63a7\u5236\u534f\u8bae\u2f08\u5982\u5176\u540d,\u8981\u5bf9\u6570\u636e\u7684\u4f20\u8f93\u8fdb\u2f8f\u2f00\u4e2a\u8be6\u7ec6\u7684\u63a7\u5236\u3002<\/p>\n<\/div>\n\n\n\n

TCP\u534f\u8bae\u6bb5\u683c\u5f0f<\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n


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

\u5b57\u6bb5\u540d\u79f0<\/th>\u957f\u5ea6\uff08\u4f4d\uff09<\/th>\u8bf4\u660e\u4e0e\u4f5c\u7528<\/th><\/tr><\/thead>
\u6e90\u7aef\u53e3\uff08Source Port\uff09<\/strong><\/td>16 \u4f4d<\/td>\u6807\u8bc6\u53d1\u9001\u65b9\u5e94\u7528\u7a0b\u5e8f\u7684\u7aef\u53e3\u53f7\uff0c\u7528\u4e8e\u533a\u5206\u4e3b\u673a\u4e0a\u4e0d\u540c\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/td><\/tr>
\u76ee\u7684\u7aef\u53e3\uff08Destination Port\uff09<\/strong><\/td>16 \u4f4d<\/td>\u6807\u8bc6\u63a5\u6536\u65b9\u5e94\u7528\u7a0b\u5e8f\u7684\u7aef\u53e3\u53f7\uff0c\u7528\u4e8e\u533a\u5206\u4e3b\u673a\u4e0a\u4e0d\u540c\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/td><\/tr>
\u5e8f\u53f7\uff08Sequence Number\uff09<\/strong><\/td>32 \u4f4d<\/td>\u6807\u8bc6\u672c\u62a5\u6587\u6bb5\u53d1\u9001\u7684\u6570\u636e\u7684\u7b2c\u4e00\u4e2a\u5b57\u8282\u7684\u5e8f\u53f7\uff0c\u7528\u4e8e\u5b9e\u73b0\u53ef\u9760\u4f20\u8f93\u548c\u6570\u636e\u987a\u5e8f\u91cd\u7ec4\u3002<\/td><\/tr>
\u786e\u8ba4\u53f7\uff08Acknowledgment Number\uff09<\/strong><\/td>32 \u4f4d<\/td>\u4ec5\u5f53 ACK \u6807\u5fd7\u4f4d\u4e3a 1 \u65f6\u6709\u6548\uff0c\u8868\u793a\u671f\u671b\u6536\u5230\u5bf9\u65b9\u4e0b\u4e00\u4e2a\u62a5\u6587\u6bb5\u7684\u7b2c\u4e00\u4e2a\u5b57\u8282\u5e8f\u53f7\uff0c\u7528\u4e8e\u786e\u8ba4\u5df2\u6b63\u786e\u63a5\u6536\u7684\u6570\u636e\u3002<\/td><\/tr>
\u6570\u636e\u504f\u79fb\uff08Header Length\uff09<\/strong><\/td>4 \u4f4d<\/td>\u8868\u793a TCP \u62a5\u6587\u6bb5\u9996\u90e8\u7684\u957f\u5ea6\uff0c\u4ee5 4 \u5b57\u8282\u4e3a\u5355\u4f4d\uff0c\u7528\u4e8e\u786e\u5b9a\u6570\u636e\u533a\u7684\u8d77\u59cb\u4f4d\u7f6e\u3002<\/td><\/tr>
\u4fdd\u7559\uff08Reserved\uff09<\/strong><\/td>6 \u4f4d<\/td>\u4fdd\u7559\u5b57\u6bb5\uff0c\u76ee\u524d\u5fc5\u987b\u4e3a 0\uff0c\u4f9b\u5c06\u6765\u4f7f\u7528\u3002<\/td><\/tr>
\u6807\u5fd7\u4f4d\uff08Flags\uff09<\/strong><\/td>6 \u4f4d<\/td>\u6bcf\u4e2a\u6807\u5fd7\u4f4d\u5360 1 \u4f4d\uff0c\u7528\u4e8e\u63a7\u5236 TCP \u7684\u8fde\u63a5\u72b6\u6001\u548c\u6570\u636e\u4f20\u8f93\uff1a
URG\uff1a\u7d27\u6025\u6307\u9488\u6709\u6548\u6807\u5fd7
ACK\uff1a\u786e\u8ba4\u53f7\u6709\u6548\u6807\u5fd7
PSH\uff1a\u63a8\u9001\u6807\u5fd7\uff0c\u63d0\u793a\u63a5\u6536\u65b9\u7acb\u5373\u5c06\u6570\u636e\u4ea4\u7ed9\u5e94\u7528\u5c42
RST\uff1a\u590d\u4f4d\u8fde\u63a5\u6807\u5fd7
SYN\uff1a\u540c\u6b65\u5e8f\u53f7\u6807\u5fd7\uff0c\u7528\u4e8e\u5efa\u7acb\u8fde\u63a5
FIN\uff1a\u7ed3\u675f\u8fde\u63a5\u6807\u5fd7<\/td><\/tr>
\u7a97\u53e3\uff08Window Size\uff09<\/strong><\/td>16 \u4f4d<\/td>\u8868\u793a\u63a5\u6536\u65b9\u5f53\u524d\u53ef\u63a5\u6536\u7684\u6570\u636e\u91cf\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u7528\u4e8e\u6d41\u91cf\u63a7\u5236\u3002<\/td><\/tr>
\u6821\u9a8c\u548c\uff08Checksum\uff09<\/strong><\/td>16 \u4f4d<\/td>\u7528\u4e8e\u68c0\u9a8c TCP \u62a5\u6587\u6bb5\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u662f\u5426\u51fa\u73b0\u5dee\u9519\uff0c\u5305\u62ec\u9996\u90e8\u548c\u6570\u636e\u90e8\u5206\u3002<\/td><\/tr>
\u7d27\u6025\u6307\u9488\uff08Urgent Pointer\uff09<\/strong><\/td>16 \u4f4d<\/td>\u4ec5\u5f53 URG \u6807\u5fd7\u4f4d\u4e3a 1 \u65f6\u6709\u6548\uff0c\u8868\u793a\u7d27\u6025\u6570\u636e\u7684\u672b\u5c3e\u5728\u62a5\u6587\u6bb5\u6570\u636e\u4e2d\u7684\u4f4d\u7f6e\u3002<\/td><\/tr>
\u4efb\u9009\u9879\uff08Options\uff09<\/strong><\/td>\u53ef\u53d8\u957f\u5ea6<\/td>\u7528\u4e8e\u63d0\u4f9b\u989d\u5916\u7684\u529f\u80fd\uff0c\u4f8b\u5982\u6700\u5927\u62a5\u6587\u6bb5\u957f\u5ea6\uff08MSS\uff09\u3001\u7a97\u53e3\u6269\u5927\u56e0\u5b50\u3001\u65f6\u95f4\u6233\u7b49\u3002<\/td><\/tr>
\u586b\u5145\uff08Padding\uff09<\/strong><\/td>\u53ef\u53d8\u957f\u5ea6<\/td>\u7528\u4e8e\u786e\u4fdd TCP \u9996\u90e8\u957f\u5ea6\u4e3a 4 \u5b57\u8282\u7684\u6574\u6570\u500d\uff0c\u4ee5\u4fbf\u6570\u636e\u504f\u79fb\u5b57\u6bb5\u6b63\u786e\u6307\u793a\u6570\u636e\u533a\u7684\u4f4d\u7f6e\u3002<\/td><\/tr>
\u6570\u636e\u533a\uff08Data\uff09<\/strong><\/td>\u53ef\u53d8\u957f\u5ea6<\/td>\u5b58\u653e\u5e94\u7528\u5c42\u4f20\u9012\u7ed9 TCP \u7684\u6570\u636e\uff0c\u4f8b\u5982 HTTP\u3001FTP \u7b49\u534f\u8bae\u7684\u6570\u636e\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u786e\u8ba4\u5e94\u7b54(ACK)\u673a\u5236<\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

TCP\u5c06\u6bcf\u4e2a\u5b57\u8282\u7684\u6570\u636e\u90fd\u8fdb\u2f8f\u4e86\u7f16\u53f7.\u5373\u4e3a\u5e8f\u5217\u53f7.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u6bcf\u2f00\u4e2aACK\u90fd\u5e26\u6709\u5bf9\u5e94\u7684\u786e\u8ba4\u5e8f\u5217\u53f7,\u610f\u601d\u662f\u544a\u8bc9\u53d1\u9001\u8005,\u6211\u5df2\u7ecf\u6536\u5230\u4e86\u54ea\u4e9b\u6570\u636e;\u4e0b\u2f00\u6b21\u4f60\u4ece\u54ea\u2fa5\u5f00\u59cb
\u53d1<\/p>\n\n\n\n

\u8d85\u65f6\u91cd\u4f20\u673a\u5236<\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\n


\u4e3b\u673aA\u53d1\u9001\u6570\u636e\u7ed9B\u4e4b\u540e,\u53ef\u80fd\u56e0\u4e3a\u2f79\u7edc\u62e5\u5835\u7b49\u539f\u56e0,\u6570\u636e\u2f46\u6cd5\u5230\u8fbe\u4e3b\u673aB;
\u5982\u679c\u4e3b\u673aA\u5728\u2f00\u4e2a\u7279\u5b9a\u65f6\u95f4\u95f4\u9694\u5185\u6ca1\u6709\u6536\u5230B\u53d1\u6765\u7684\u786e\u8ba4\u5e94\u7b54,\u5c31\u4f1a\u8fdb\u2f8f\u91cd\u53d1<\/p>\n\n\n\n

\n

\u4f46\u662f,\u4e3b\u673aA\u672a\u6536\u5230B\u53d1\u6765\u7684\u786e\u8ba4\u5e94\u7b54,\u4e5f\u53ef\u80fd\u662f\u56e0\u4e3aACK\u4e22\u5931\u4e86;<\/p>\n\n\n\n

\u56e0\u6b64\u4e3b\u673aB\u4f1a\u6536\u5230\u5f88\u591a\u91cd\u590d\u6570\u636e.\u90a3\u4e48TCP\u534f\u8bae\u9700\u8981\u80fd\u591f\u8bc6\u522b\u51fa\u90a3\u4e9b\u5305\u662f\u91cd\u590d\u7684\u5305,\u5e76\u4e14\u628a\u91cd\u590d\u7684\u4e22\u5f03\u6389.
\u8fd9\u65f6\u5019\u6211\u4eec\u53ef\u4ee5\u5229\u2f64\u524d\u2faf\u63d0\u5230\u7684\u5e8f\u5217\u53f7,\u5c31\u53ef\u4ee5\u5f88\u5bb9\u6613\u505a\u5230\u53bb\u91cd\u7684\u6548\u679c<\/p>\n<\/div>\n<\/div>\n\n\n\n

\u90a3\u4e48,\u5982\u679c\u8d85\u65f6\u7684\u65f6\u95f4\u5982\u4f55\u786e\u5b9a?
\u2022\u6700\u7406\u60f3\u7684\u60c5\u51b5\u4e0b,\u627e\u5230\u2f00\u4e2a\u6700\u2f29\u7684\u65f6\u95f4,\u4fdd\u8bc1”\u786e\u8ba4\u5e94\u7b54\u2f00\u5b9a\u80fd\u5728\u8fd9\u4e2a\u65f6\u95f4\u5185\u8fd4\u56de”.
\u2022\u4f46\u662f\u8fd9\u4e2a\u65f6\u95f4\u7684\u2ed3\u77ed,\u968f\u7740\u2f79\u7edc\u73af\u5883\u7684\u4e0d\u540c,\u662f\u6709\u5dee\u5f02\u7684.
\u2022\u5982\u679c\u8d85\u65f6\u65f6\u95f4\u8bbe\u7684\u592a\u2ed3,\u4f1a\u5f71\u54cd\u6574\u4f53\u7684\u91cd\u4f20\u6548\u7387;
\u2022\u5982\u679c\u8d85\u65f6\u65f6\u95f4\u8bbe\u7684\u592a\u77ed,\u6709\u53ef\u80fd\u4f1a\u9891\u7e41\u53d1\u9001\u91cd\u590d\u7684\u5305;<\/p>\n\n\n\n

TCP\u4e3a\u4e86\u4fdd\u8bc1\u2f46\u8bba\u5728\u4efb\u4f55\u73af\u5883\u4e0b\u90fd\u80fd\u2f50\u8f83\u2fbc\u6027\u80fd\u7684\u901a\u4fe1,\u56e0\u6b64\u4f1a\u52a8\u6001\u8ba1\u7b97\u8fd9\u4e2a\u6700\u2f24\u8d85\u65f6\u65f6\u95f4.
\u2022Linux\u4e2d(BSDUnix\u548cWindows\u4e5f\u662f\u5982\u6b64),\u8d85\u65f6\u4ee5500ms\u4e3a\u2f00\u4e2a\u5355\u4f4d\u8fdb\u2f8f\u63a7\u5236,\u6bcf\u6b21\u5224\u5b9a\u8d85\u65f6\u91cd\u53d1
\u7684\u8d85\u65f6\u65f6\u95f4\u90fd\u662f500ms\u7684\u6574\u6570\u500d.
\u2022\u5982\u679c\u91cd\u53d1\u2f00\u6b21\u4e4b\u540e,\u4ecd\u7136\u5f97\u4e0d\u5230\u5e94\u7b54,\u7b49\u5f852500ms\u540e\u518d\u8fdb\u2f8f\u91cd\u4f20. \u2022 \u5982\u679c\u4ecd\u7136\u5f97\u4e0d\u5230\u5e94\u7b54,\u7b49\u5f854<\/em>500ms\u8fdb\u2f8f\u4f20.\u4f9d\u6b21\u7c7b\u63a8,\u4ee5\u6307\u6570\u5f62\u5f0f\u9012\u589e.
\u2022\u7d2f\u8ba1\u5230\u2f00\u5b9a\u7684\u91cd\u4f20\u6b21\u6570,TCP\u8ba4\u4e3a\u2f79\u7edc\u6216\u8005\u5bf9\u7aef\u4e3b\u673a\u51fa\u73b0\u5f02\u5e38,\u5f3a\u5236\u5173\u95ed\u8fde\u63a5<\/p>\n\n\n\n

\u8fde\u63a5\u7ba1\u7406\u673a\u5236<\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u4e00\u3001TCP \u901a\u4fe1\u7684\u6838\u5fc3\u7279\u70b9<\/h3>\n\n\n\n
\n

\u9762\u5411\u8fde\u63a5\uff1a\u901a\u4fe1\u524d\u5fc5\u987b\u5efa\u7acb\u8fde\u63a5\uff08\u4e09\u6b21\u63e1\u624b\uff09<\/p>\n\n\n\n

\u53ef\u9760\u4f20\u8f93\uff1a\u901a\u8fc7\u786e\u8ba4\u5e94\u7b54\u3001\u5e8f\u53f7\u3001\u91cd\u4f20\u673a\u5236\u4fdd\u8bc1\u6570\u636e\u53ef\u9760<\/p>\n\n\n\n

\u53cc\u5411\u901a\u4fe1\uff1a\u5168\u53cc\u5de5\u901a\u4fe1\uff0c\u53cc\u65b9\u53ef\u540c\u65f6\u6536\u53d1\u6570\u636e<\/p>\n\n\n\n

\u8fde\u63a5\u7ec8\u6b62\u9700\u56db\u6b21\u6325\u624b<\/p>\n\n\n\n

\u5728\u4e09\u6b21\u63e1\u624b\u4e2d\u548c\u56db\u6b21\u6325\u624b\u4e2d\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u72b6\u6001\u53d8\u5316<\/strong><\/p>\n<\/div>\n\n\n\n

\u6b65\u9aa4<\/th>\u65b9\u5411<\/th>\u52a8\u4f5c<\/th>\u72b6\u6001\u53d8\u5316<\/th><\/tr><\/thead>
1<\/td>\u5ba2\u6237\u7aef \u2192 \u670d\u52a1\u5668<\/td>\u53d1\u9001 SYN\uff08\u540c\u6b65\u5e8f\u5217\u53f7\uff09<\/td>\u5ba2\u6237\u7aef\uff1aSYN_SENT<\/td><\/tr>
2<\/td>\u670d\u52a1\u5668 \u2192 \u5ba2\u6237\u7aef<\/td>\u56de\u590d SYN + ACK\uff08\u786e\u8ba4\uff09<\/td>\u670d\u52a1\u5668\uff1aSYN_RCVD<\/td><\/tr>
3<\/td>\u5ba2\u6237\u7aef \u2192 \u670d\u52a1\u5668<\/td>\u53d1\u9001 ACK\uff08\u786e\u8ba4\uff09<\/td>\u53cc\u65b9\uff1aESTABLISHED<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u6b65\u9aa4<\/th>\u65b9\u5411<\/th>\u52a8\u4f5c<\/th>\u72b6\u6001\u53d8\u5316<\/th><\/tr><\/thead>
1<\/td>\u5ba2\u6237\u7aef \u2192 \u670d\u52a1\u5668<\/td>\u53d1\u9001 FIN\uff08\u7ed3\u675f\u6807\u5fd7\uff09<\/td>\u5ba2\u6237\u7aef\uff1aFIN_WAIT_1<\/td><\/tr>
2<\/td>\u670d\u52a1\u5668 \u2192 \u5ba2\u6237\u7aef<\/td>\u56de\u590d ACK\uff08\u786e\u8ba4\uff09<\/td>\u670d\u52a1\u5668\uff1aCLOSE_WAIT\uff0c\u5ba2\u6237\u7aef\uff1aFIN_WAIT_2<\/td><\/tr>
3<\/td>\u670d\u52a1\u5668 \u2192 \u5ba2\u6237\u7aef<\/td>\u53d1\u9001 FIN\uff08\u6211\u4e5f\u8981\u5173\u95ed\uff09<\/td>\u670d\u52a1\u5668\uff1aLAST_ACK<\/td><\/tr>
4<\/td>\u5ba2\u6237\u7aef \u2192 \u670d\u52a1\u5668<\/td>\u56de\u590d ACK\uff08\u786e\u8ba4\uff09<\/td>\u5ba2\u6237\u7aef\uff1aTIME_WAIT\uff08\u7b49\u5f852MSL\uff09\uff0c\u670d\u52a1\u5668\uff1aCLOSED<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u4e0b\u9762\u662f\u603b\u7684tcp\u8f6c\u6362\u56fe\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\n

\u8f83\u7c97\u7684\u865a\u7ebf\u8868\u2f70\u670d\u52a1\u7aef\u7684\u72b6\u6001\u53d8\u5316\u60c5\u51b5;<\/p>\n\n\n\n

\u8f83\u7c97\u7684\u5b9e\u7ebf\u8868\u2f70\u5ba2\u2f3e\u7aef\u7684\u72b6\u6001\u53d8\u5316\u60c5\u51b5;
CLOSED\u662f\u2f00\u4e2a\u5047\u60f3\u7684\u8d77\u59cb\u70b9,\u4e0d\u662f\u771f\u5b9e\u72b6\u6001\uff1b<\/p>\n<\/div>\n\n\n\n

\u7406\u89e3TIME_WAIT\u72b6\u6001<\/strong><\/p>\n\n\n\n

TCP\u534f\u8bae\u89c4\u5b9a,\u4e3b\u52a8\u5173\u95ed\u8fde\u63a5\u7684\u2f00\u2f45\u8981\u5904\u4e8eTIME_WAIT\u72b6\u6001,\u7b49\u5f85\u4e24\u4e2aMSL(maximumsegment
lifetime)\u7684\u65f6\u95f4\u540e\u624d\u80fd\u56de\u5230CLOSED\u72b6\u6001<\/p>\n\n\n\n

\u6545\u6211\u4eec\u5f53\u65f6\u4f7f\u7528tcp\u7ed1\u5b9a\u7aef\u53e3\u65f6\u9700\u8981\u8fc7\u4e00\u4f1a\u624d\u80fd\u4f7f\u7528\u5c31\u662f\u8fd9\u4e2a\u539f\u56e0<\/p>\n\n\n\n

\u4f46\u662f\u503c\u5f97\u6211\u4eec\u6ce8\u610f\u7684\u662f\u670d\u52a1\u5668\u4e3b\u52a8\u5173\u95ed\u8fde\u63a5\u4f1a\u5bfc\u81f4 TIME_WAIT \u5806\u79ef\uff0c\u5360\u7528\u4e94\u5143\u7ec4\uff0c\u6700\u7ec8\u8017\u5c3d\u7aef\u53e3\u6216\u62d2\u7edd\u65b0\u8fde\u63a5\uff0c\u5c24\u5176\u5728\u9ad8\u5e76\u53d1\u77ed\u8fde\u63a5\u573a\u666f\u4e0b\u975e\u5e38\u5371\u9669\u3002<\/p>\n\n\n\n

\u6ed1\u52a8\u7a97\u2f1d<\/strong><\/p>\n\n\n\n

\u521a\u624d\u6211\u4eec\u8ba8\u8bba\u4e86\u786e\u8ba4\u5e94\u7b54\u7b56\u7565,\u5bf9\u6bcf\u2f00\u4e2a\u53d1\u9001\u7684\u6570\u636e\u6bb5,\u90fd\u8981\u7ed9\u2f00\u4e2aACK\u786e\u8ba4\u5e94\u7b54.\u6536\u5230ACK\u540e\u518d\u53d1\u9001\u4e0b
\u2f00\u4e2a\u6570\u636e\u6bb5.\u8fd9\u6837\u505a\u6709\u2f00\u4e2a\u2f50\u8f83\u2f24\u7684\u7f3a\u70b9,\u5c31\u662f\u6027\u80fd\u8f83\u5dee.\u5c24\u5176\u662f\u6570\u636e\u5f80\u8fd4\u7684\u65f6\u95f4\u8f83\u2ed3\u7684\u65f6\u5019<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u65e2\u7136\u8fd9\u6837\u2f00\u53d1\u2f00\u6536\u7684\u2f45\u5f0f\u6027\u80fd\u8f83\u4f4e,\u90a3\u4e48\u6211\u4eec\u2f00\u6b21\u53d1\u9001\u591a\u6761\u6570\u636e,\u5c31\u53ef\u4ee5\u2f24\u2f24\u7684\u63d0\u2fbc\u6027\u80fd(\u5176\u5b9e\u662f\u5c06\u591a\u4e2a
\u6bb5\u7684\u7b49\u5f85\u65f6\u95f4\u91cd\u53e0\u5728\u2f00\u8d77\u4e86)<\/p>\n\n\n\n

1.\u7a97\u2f1d\u2f24\u2f29\u6307\u7684\u662f\u2f46\u9700\u7b49\u5f85\u786e\u8ba4\u5e94\u7b54\u2f7d\u53ef\u4ee5\u7ee7\u7eed\u53d1\u9001\u6570\u636e\u7684\u6700\u2f24\u503c.\u4e0a\u56fe\u7684\u7a97\u2f1d\u2f24\u2f29\u5c31\u662f4000\u4e2a\u5b57
\u8282(\u56db\u4e2a\u6bb5).
2.\u53d1\u9001\u524d\u56db\u4e2a\u6bb5\u7684\u65f6\u5019,\u4e0d\u9700\u8981\u7b49\u5f85\u4efb\u4f55ACK,\u76f4\u63a5\u53d1\u9001;
3.\u6536\u5230\u7b2c\u2f00\u4e2aACK\u540e,\u6ed1\u52a8\u7a97\u2f1d\u5411\u540e\u79fb\u52a8,\u7ee7\u7eed\u53d1\u9001\u7b2c\u4e94\u4e2a\u6bb5\u7684\u6570\u636e;\u4f9d\u6b21\u7c7b\u63a8;
4.\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u4e3a\u4e86\u7ef4\u62a4\u8fd9\u4e2a\u6ed1\u52a8\u7a97\u2f1d,\u9700\u8981\u5f00\u8f9f\u53d1\u9001\u7f13\u51b2\u533a\u6765\u8bb0\u5f55\u5f53\u524d\u8fd8\u6709\u54ea\u4e9b\u6570\u636e\u6ca1\u6709\u5e94\u7b54;\u53ea\u6709\u786e\u8ba4\u5e94\u7b54\u8fc7\u7684\u6570\u636e,\u624d\u80fd\u4ece\u7f13\u51b2\u533a\u5220\u6389;
5.\u7a97\u2f1d\u8d8a\u2f24,\u5219\u2f79\u7edc\u7684\u541e\u5410\u7387\u5c31\u8d8a\u2fbc<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u90a3\u4e48\u5982\u679c\u51fa\u73b0\u4e86\u4e22\u5305,\u5982\u4f55\u8fdb\u2f8f\u91cd\u4f20?\u8fd9\u2fa5\u5206\u4e24\u79cd\u60c5\u51b5\u8ba8\u8bba.
\u60c5\u51b5\u2f00:<\/strong>\u6570\u636e\u5305\u5df2\u7ecf\u62b5\u8fbe,ACK\u88ab\u4e22\u4e86<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u8fd9\u79cd\u60c5\u51b5\u4e0b,\u90e8\u5206ACK\u4e22\u4e86\u5e76\u4e0d\u8981\u7d27,\u56e0\u4e3a\u53ef\u4ee5\u901a\u8fc7\u540e\u7eed\u7684ACK\u8fdb\u2f8f\u786e\u8ba4<\/p>\n\n\n\n

\u60c5\u51b5\u2f06:<\/strong>\u6570\u636e\u5305\u5c31\u76f4\u63a5\u4e22\u4e86<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

1\u3001\u5f53\u67d0\u2f00\u6bb5\u62a5\u2f42\u6bb5\u4e22\u5931\u4e4b\u540e,\u53d1\u9001\u7aef\u4f1a\u2f00\u76f4\u6536\u52302001\u8fd9\u6837\u7684ACK,\u5c31\u50cf\u662f\u5728\u63d0\u9192\u53d1\u9001\u7aef”\u6211\u60f3\u8981\u7684\u662f
2001″ \u2f00\u6837;<\/p>\n\n\n\n

2\u3001\u5982\u679c\u53d1\u9001\u7aef\u4e3b\u673a\u8fde\u7eed\u4e09\u6b21\u6536\u5230\u4e86\u540c\u6837\u2f00\u4e2a”2001″\u8fd9\u6837\u7684\u5e94\u7b54,\u5c31\u4f1a\u5c06\u5bf9\u5e94\u7684\u6570\u636e0001-3000\u91cd
\u65b0\u53d1\u9001;
3\u3001\u8fd9\u4e2a\u65f6\u5019\u63a5\u6536\u7aef\u6536\u5230\u4e862001\u4e4b\u540e,\u518d\u6b21\u8fd4\u56de\u7684ACK\u5c31\u662f7001\u4e86(\u56e0\u4e3a2001-7000)\u63a5\u6536\u7aef\u5176\u5b9e\u4e4b\u524d
\u5c31\u5df2\u7ecf\u6536\u5230\u4e86,\u88ab\u653e\u5230\u4e86\u63a5\u6536\u7aef\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u7684\u63a5\u6536\u7f13\u51b2\u533a\u4e2d;
\u8fd9\u79cd\u673a\u5236\u88ab\u79f0\u4e3a”\u2fbc\u901f\u91cd\u53d1\u63a7\u5236”(\u4e5f\u53eb”\u5feb\u91cd\u4f20”)<\/p>\n\n\n\n

\u6d41\u91cf\u63a7\u5236<\/strong><\/p>\n\n\n\n

\u63a5\u6536\u7aef\u5904\u7406\u6570\u636e\u7684\u901f\u5ea6\u662f\u6709\u9650\u7684.\u5982\u679c\u53d1\u9001\u7aef\u53d1\u7684\u592a\u5feb,\u5bfc\u81f4\u63a5\u6536\u7aef\u7684\u7f13\u51b2\u533a\u88ab\u6253\u6ee1,\u8fd9\u4e2a\u65f6\u5019\u5982\u679c\u53d1\u9001
\u7aef\u7ee7\u7eed\u53d1\u9001,\u5c31\u4f1a\u9020\u6210\u4e22\u5305,\u7ee7\u2f7d\u5f15\u8d77\u4e22\u5305\u91cd\u4f20\u7b49\u7b49\u2f00\u7cfb\u5217\u8fde\u9501\u53cd\u5e94.
\u56e0\u6b64TCP\u2f40\u6301\u6839\u636e\u63a5\u6536\u7aef\u7684\u5904\u7406\u80fd\u2f12,\u6765\u51b3\u5b9a\u53d1\u9001\u7aef\u7684\u53d1\u9001\u901f\u5ea6.\u8fd9\u4e2a\u673a\u5236\u5c31\u53eb\u505a\u6d41\u91cf\u63a7\u5236(Flow
Control)<\/p>\n\n\n\n

\n


1.\u63a5\u6536\u7aef\u5c06\u2f83\u2f30\u53ef\u4ee5\u63a5\u6536\u7684\u7f13\u51b2\u533a\u5269\u4f59\u7a7a\u95f4\u2f24\u2f29\u653e\u2f0aTCP\u2fb8\u90e8\u4e2d\u7684”\u7a97\u2f1d\u2f24\u2f29”\u5b57\u6bb5,\u901a\u8fc7ACK\u7aef\u901a
\u77e5\u53d1\u9001\u7aef;
2.\u7a97\u2f1d\u2f24\u2f29\u5b57\u6bb5\u8d8a\u2f24,\u8bf4\u660e\u2f79\u7edc\u7684\u541e\u5410\u91cf\u8d8a\u2fbc;
3.\u63a5\u6536\u7aef\u2f00\u65e6\u53d1\u73b0\u2f83\u2f30\u7684\u7f13\u51b2\u533a\u5feb\u6ee1\u4e86,\u5c31\u4f1a\u5c06\u7a97\u2f1d\u2f24\u2f29\u8bbe\u7f6e\u6210\u2f00\u4e2a\u66f4\u2f29\u7684\u503c\u901a\u77e5\u7ed9\u53d1\u9001\u7aef;
4.\u53d1\u9001\u7aef\u63a5\u53d7\u5230\u8fd9\u4e2a\u7a97\u2f1d\u4e4b\u540e,\u5c31\u4f1a\u51cf\u6162\u2f83\u2f30\u7684\u53d1\u9001\u901f\u5ea6;
5.\u5982\u679c\u63a5\u6536\u7aef\u7f13\u51b2\u533a\u6ee1\u4e86,\u5c31\u4f1a\u5c06\u7a97\u2f1d\u7f6e\u4e3a0;\u8fd9\u65f6\u53d1\u9001\u2f45\u4e0d\u518d\u53d1\u9001\u6570\u636e,\u4f46\u662f\u9700\u8981\u5b9a\u671f\u53d1\u9001\u2f00\u4e2a\u7a97\u2f1d
\u63a2\u6d4b\u6570\u636e\u6bb5,\u4f7f\u63a5\u6536\u7aef\u628a\u7a97\u2f1d\u2f24\u2f29\u544a\u8bc9\u53d1\u9001\u7aef<\/p>\n<\/div>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u63a5\u6536\u7aef\u5982\u4f55\u628a\u7a97\u2f1d\u2f24\u2f29\u544a\u8bc9\u53d1\u9001\u7aef\u5462?\u56de\u5fc6\u6211\u4eec\u7684TCP\u2fb8\u90e8\u4e2d,\u6709\u2f00\u4e2a16\u4f4d\u7a97\u2f1d\u5b57\u6bb5,\u5c31\u662f\u5b58\u653e\u4e86\u7a97\u2f1d\u2f24\u2f29;
\u90a3\u4e48\u95ee\u9898\u6765\u4e86,16\u4f4d\u6570\u5b57\u6700\u2f24\u8868\u2f7065535,\u90a3\u4e48TCP\u7a97\u2f1d\u6700\u2f24\u5c31\u662f65535\u5b57\u8282\u4e48?
\u5b9e\u9645\u4e0a,TCP\u2fb8\u90e840\u5b57\u8282\u9009\u9879\u4e2d\u8fd8\u5305\u542b\u4e86\u2f00\u4e2a\u7a97\u2f1d\u6269\u2f24\u56e0\u2f26M,\u5b9e\u9645\u7a97\u2f1d\u2f24\u2f29\u662f\u7a97\u2f1d\u5b57\u6bb5\u7684\u503c\u5de6\u79fbM\u4f4d<\/p>\n\n\n\n

\u62e5\u585e\u63a7\u5236<\/strong><\/p>\n\n\n\n

\u867d\u7136TCP\u6709\u4e86\u6ed1\u52a8\u7a97\u2f1d\u8fd9\u4e2a\u2f24\u6740\u5668,\u80fd\u591f\u2fbc\u6548\u53ef\u9760\u7684\u53d1\u9001\u2f24\u91cf\u7684\u6570\u636e.\u4f46\u662f\u5982\u679c\u5728\u521a\u5f00\u59cb\u9636\u6bb5\u5c31\u53d1\u9001\u2f24\u91cf
\u7684\u6570\u636e,\u4ecd\u7136\u53ef\u80fd\u5f15\u53d1\u95ee\u9898.
\u56e0\u4e3a\u2f79\u7edc\u4e0a\u6709\u5f88\u591a\u7684\u8ba1\u7b97\u673a,\u53ef\u80fd\u5f53\u524d\u7684\u2f79\u7edc\u72b6\u6001\u5c31\u5df2\u7ecf\u2f50\u8f83\u62e5\u5835.\u5728\u4e0d\u6e05\u695a\u5f53\u524d\u2f79\u7edc\u72b6\u6001\u4e0b,\u8d38\u7136\u53d1\u9001
\u2f24\u91cf\u7684\u6570\u636e,\u662f\u5f88\u6709\u53ef\u80fd\u5f15\u8d77\u96ea\u4e0a\u52a0\u971c\u7684.
TCP\u5f15\u2f0a\u6162\u542f\u52a8\u673a\u5236,\u5148\u53d1\u5c11\u91cf\u7684\u6570\u636e,\u63a2\u63a2\u8def,\u6478\u6e05\u5f53\u524d\u7684\u2f79\u7edc\u62e5\u5835\u72b6\u6001,\u518d\u51b3\u5b9a\u6309\u7167\u591a\u2f24\u7684\u901f\u5ea6\u4f20\u8f93
\u6570\u636e\uff1b<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u6b64\u5904\u5f15\u2f0a\u2f00\u4e2a\u6982\u5ff5\u79f0\u4e3a\u62e5\u585e\u7a97\u2f1d<\/em>
\u53d1\u9001\u5f00\u59cb\u7684\u65f6\u5019,\u5b9a\u4e49\u62e5\u585e\u7a97\u2f1d\u2f24\u2f29\u4e3a1;
\u6bcf\u6b21\u6536\u5230\u2f00\u4e2aACK\u5e94\u7b54,\u62e5\u585e\u7a97\u2f1d\u52a01;
\u6bcf\u6b21\u53d1\u9001\u6570\u636e\u5305\u7684\u65f6\u5019,\u5c06\u62e5\u585e\u7a97\u2f1d\u548c\u63a5\u6536\u7aef\u4e3b\u673a\u53cd\u9988\u7684\u7a97\u2f1d\u2f24\u2f29\u505a\u2f50\u8f83,\u53d6\u8f83\u2f29\u7684\u503c\u4f5c\u4e3a\u5b9e\u9645\u53d1\u9001\u7684\u7a97\u2f1d;
\u50cf\u4e0a\u2faf\u8fd9\u6837\u7684\u62e5\u585e\u7a97\u2f1d\u589e\u2ed3\u901f\u5ea6,\u662f\u6307\u6570\u7ea7\u522b\u7684.”\u6162\u542f\u52a8”\u53ea\u662f\u6307\u521d\u4f7f\u65f6\u6162,\u4f46\u662f\u589e\u2ed3\u901f\u5ea6\u2fae\u5e38\u5feb.
\u4e3a\u4e86\u4e0d\u589e\u2ed3\u7684\u90a3\u4e48\u5feb,\u56e0\u6b64\u4e0d\u80fd\u4f7f\u62e5\u585e\u7a97\u2f1d\u5355\u7eaf\u7684\u52a0\u500d.
\u6b64\u5904\u5f15\u2f0a\u2f00\u4e2a\u53eb\u505a\u6162\u542f\u52a8\u7684\u9608\u503c
\u5f53\u62e5\u585e\u7a97\u2f1d\u8d85\u8fc7\u8fd9\u4e2a\u9608\u503c\u7684\u65f6\u5019,\u4e0d\u518d\u6309\u7167\u6307\u6570\u2f45\u5f0f\u589e\u2ed3,\u2f7d\u662f\u6309\u7167\u7ebf\u6027\u2f45\u5f0f\u589e\u2ed3<\/p>\n\n\n\n

\u5ef6\u8fdf\u5e94\u7b54<\/strong><\/p>\n\n\n\n

\u5982\u679c\u63a5\u6536\u6570\u636e\u7684\u4e3b\u673a\u2f74\u523b\u8fd4\u56deACK\u5e94\u7b54,\u8fd9\u65f6\u5019\u8fd4\u56de\u7684\u7a97\u2f1d\u53ef\u80fd\u2f50\u8f83\u2f29.
\u5047\u8bbe\u63a5\u6536\u7aef\u7f13\u51b2\u533a\u4e3a1M.\u2f00\u6b21\u6536\u5230\u4e86500K\u7684\u6570\u636e;\u5982\u679c\u2f74\u523b\u5e94\u7b54,\u8fd4\u56de\u7684\u7a97\u2f1d\u5c31\u662f500K;
\u4f46\u5b9e\u9645\u4e0a\u53ef\u80fd\u5904\u7406\u7aef\u5904\u7406\u7684\u901f\u5ea6\u5f88\u5feb,10ms\u4e4b\u5185\u5c31\u628a500K\u6570\u636e\u4ece\u7f13\u51b2\u533a\u6d88\u8d39\u6389\u4e86;
\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b,\u63a5\u6536\u7aef\u5904\u7406\u8fd8\u8fdc\u6ca1\u6709\u8fbe\u5230\u2f83\u2f30\u7684\u6781\u9650,\u5373\u4f7f\u7a97\u2f1d\u518d\u653e\u2f24\u2f00\u4e9b,\u4e5f\u80fd\u5904\u7406\u8fc7\u6765;
\u5982\u679c\u63a5\u6536\u7aef\u7a0d\u5fae\u7b49\u2f00\u4f1a\u518d\u5e94\u7b54,\u2f50\u5982\u7b49\u5f85200ms\u518d\u5e94\u7b54,\u90a3\u4e48\u8fd9\u4e2a\u65f6\u5019\u8fd4\u56de\u7684\u7a97\u2f1d\u2f24\u2f29\u5c31\u662f1M;
\u6570\u91cf\u9650\u5236:\u6bcf\u9694N\u4e2a\u5305\u5c31\u5e94\u7b54\u2f00\u6b21;
\u65f6\u95f4\u9650\u5236:\u8d85\u8fc7\u6700\u2f24\u5ef6\u8fdf\u65f6\u95f4\u5c31\u5e94\u7b54\u2f00\u6b21;
\u2f00\u5b9a\u8981\u8bb0\u5f97,\u7a97\u2f1d\u8d8a\u2f24,\u2f79\u7edc\u541e\u5410\u91cf\u5c31\u8d8a\u2f24,\u4f20\u8f93\u6548\u7387\u5c31\u8d8a\u2fbc.\u6211\u4eec\u7684\u2f6c\u6807\u662f\u5728\u4fdd\u8bc1\u2f79\u7edc\u4e0d\u62e5\u585e\u7684\u60c5\u51b5\u4e0b
\u5c3d\u91cf\u63d0\u2fbc\u4f20\u8f93\u6548\u7387;
\u90a3\u4e48\u6240\u6709\u7684\u5305\u90fd\u53ef\u4ee5\u5ef6\u8fdf\u5e94\u7b54\u4e48?\u80af\u5b9a\u4e5f\u4e0d\u662f;
\u5177\u4f53\u7684\u6570\u91cf\u548c\u8d85\u65f6\u65f6\u95f4,\u4f9d\u64cd\u4f5c\u7cfb\u7edf\u4e0d\u540c\u4e5f\u6709\u5dee\u5f02;\u2f00\u822cN\u53d62,\u8d85\u65f6\u65f6\u95f4\u53d6200ms<\/p>\n\n\n\n

\u2faf\u5411\u5b57\u8282\u6d41<\/strong><\/p>\n\n\n\n

\u521b\u5efa\u2f00\u4e2aTCP\u7684socket,\u540c\u65f6\u5728\u5185\u6838\u4e2d\u521b\u5efa\u2f00\u4e2a\u53d1\u9001\u7f13\u51b2\u533a\u548c\u2f00\u4e2a\u63a5\u6536\u7f13\u51b2\u533a;
\u8c03\u2f64write\u65f6,\u6570\u636e\u4f1a\u5148\u5199\u2f0a\u53d1\u9001\u7f13\u51b2\u533a\u4e2d;
1.\u5982\u679c\u53d1\u9001\u7684\u5b57\u8282\u6570\u592a\u2ed3,\u4f1a\u88ab\u62c6\u5206\u6210\u591a\u4e2aTCP\u7684\u6570\u636e\u5305\u53d1\u51fa;
2.\u5982\u679c\u53d1\u9001\u7684\u5b57\u8282\u6570\u592a\u77ed,\u5c31\u4f1a\u5148\u5728\u7f13\u51b2\u533a\u2fa5\u7b49\u5f85,\u7b49\u5230\u7f13\u51b2\u533a\u2ed3\u5ea6\u5dee\u4e0d\u591a\u4e86,\u6216\u8005\u5176\u4ed6\u5408\u9002\u7684\u65f6\u673a\u53d1\u9001\u51fa\u53bb;
3.\u63a5\u6536\u6570\u636e\u7684\u65f6\u5019,\u6570\u636e\u4e5f\u662f\u4ece\u2f79\u5361\u9a71\u52a8\u7a0b\u5e8f\u5230\u8fbe\u5185\u6838\u7684\u63a5\u6536\u7f13\u51b2\u533a;\u7136\u540e\u5e94\u2f64\u7a0b\u5e8f\u53ef\u4ee5\u8c03\u2f64read\u4ece\u63a5\u6536\u7f13\u51b2\u533a\u62ff\u6570\u636e;<\/p>\n\n\n\n


\u53e6\u2f00\u2f45\u2faf,TCP\u7684\u2f00\u4e2a\u8fde\u63a5,\u65e2\u6709\u53d1\u9001\u7f13\u51b2\u533a,\u4e5f\u6709\u63a5\u6536\u7f13\u51b2\u533a,\u90a3\u4e48\u5bf9\u4e8e\u8fd9\u2f00\u4e2a\u8fde\u63a5,\u65e2\u53ef\u4ee5\u8bfb\u6570\u636e,\u4e5f\u53ef\u4ee5\u5199\u6570\u636e.\u8fd9\u4e2a\u6982\u5ff5\u53eb\u505a\u5168\u53cc\u2f2f
\u7531\u4e8e\u7f13\u51b2\u533a\u7684\u5b58\u5728,TCP\u7a0b\u5e8f\u7684\u8bfb\u548c\u5199\u4e0d\u9700\u8981\u2f00\u2f00\u5339\u914d,\u4f8b\u5982:
\u5199100\u4e2a\u5b57\u8282\u6570\u636e\u65f6,\u53ef\u4ee5\u8c03\u2f64\u2f00\u6b21write\u5199100\u4e2a\u5b57\u8282,\u4e5f\u53ef\u4ee5\u8c03\u2f64100\u6b21write,\u6bcf\u6b21\u5199\u2f00\u4e2a\u5b57\u8282;
\u8bfb100\u4e2a\u5b57\u8282\u6570\u636e\u65f6,\u4e5f\u5b8c\u5168\u4e0d\u9700\u8981\u8003\u8651\u5199\u7684\u65f6\u5019\u662f\u600e\u4e48\u5199\u7684,\u65e2\u53ef\u4ee5\u2f00\u6b21read100\u4e2a\u5b57\u8282,\u4e5f\u53ef\u4ee5
\u2f00\u6b21read\u2f00\u4e2a\u5b57\u8282,\u91cd\u590d100\u6b21<\/p>\n\n\n\n

TCP\/UDP\u5bf9\u2f50<\/strong><\/p>\n\n\n\n

\u6211\u4eec\u8bf4\u4e86TCP\u662f\u53ef\u9760\u8fde\u63a5,\u90a3\u4e48\u662f\u4e0d\u662fTCP\u2f00\u5b9a\u5c31\u4f18\u4e8eUDP\u5462?TCP\u548cUDP\u4e4b\u95f4\u7684\u4f18\u70b9\u548c\u7f3a\u70b9,\u4e0d\u80fd\u7b80\u5355,
\u7edd\u5bf9\u7684\u8fdb\u2f8f\u2f50\u8f83<\/p>\n\n\n\n

1.TCP\u2f64\u4e8e\u53ef\u9760\u4f20\u8f93\u7684\u60c5\u51b5,\u5e94\u2f64\u4e8e\u2f42\u4ef6\u4f20\u8f93,\u91cd\u8981\u72b6\u6001\u66f4\u65b0\u7b49\u573a\u666f;
2.UDP\u2f64\u4e8e\u5bf9\u2fbc\u901f\u4f20\u8f93\u548c\u5b9e\u65f6\u6027\u8981\u6c42\u8f83\u2fbc\u7684\u901a\u4fe1\u9886\u57df,\u4f8b\u5982,\u65e9\u671f\u7684QQ,\u89c6\u9891\u4f20\u8f93\u7b49.\u53e6\u5916UDP\u53ef\u4ee5
\u2f64\u4e8e\u2f34\u64ad;
\u5f52\u6839\u7ed3\u5e95,TCP\u548cUDP\u90fd\u662f\u7a0b\u5e8f\u5458\u7684\u2f2f\u5177,\u4ec0\u4e48\u65f6\u673a\u2f64,\u5177\u4f53\u600e\u4e48\u2f64,\u8fd8\u662f\u8981\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u573a\u666f\u53bb\u5224\u5b9a<\/p>\n\n\n\n

\u4eca\u5929\u7684\u66f4\u65b0\u5c31\u5230\u8fd9\u91cc\uff0c\u5982\u6709\u9519\u8bef\u6b22\u996e\u8bc4\u8bba\u533a\u6307\u51fa<\/p>\n","protected":false},"excerpt":{"rendered":"

TCP\u534f\u8bae Tcp\u534f\u8bae\u5168\u79f0\u4e3a”\u4f20\u8f93\u63a7\u5236\u534f\u8bae\u2f08\u5982\u5176\u540d,\u8981\u5bf9\u6570\u636e\u7684\u4f20\u8f93\u8fdb\u2f8f\u2f00\u4e2a\u8be6\u7ec6\u7684\u63a7\u5236\u3002 TCP\u534f\u8bae…<\/p>\n","protected":false},"author":1,"featured_media":407,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[7],"tags":[],"class_list":["post-406","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-7"],"_links":{"self":[{"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=\/wp\/v2\/posts\/406","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=406"}],"version-history":[{"count":4,"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=\/wp\/v2\/posts\/406\/revisions"}],"predecessor-version":[{"id":830,"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=\/wp\/v2\/posts\/406\/revisions\/830"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=\/wp\/v2\/media\/407"}],"wp:attachment":[{"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=406"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=406"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}