{"id":149168,"date":"2019-07-06T09:19:52","date_gmt":"2019-07-06T01:19:52","guid":{"rendered":"https:\/\/gulass.cn\/?p=149168"},"modified":"2019-06-25T15:21:09","modified_gmt":"2019-06-25T07:21:09","slug":"udp-socket","status":"publish","type":"post","link":"https:\/\/gulass.cn\/udp-socket.html","title":{"rendered":"\u6df1\u5165\u7684\u7406\u89e3UDP\u7f16\u7a0b"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td style=\"padding: 5px 12px; width: 25px; font-size: 22px; text-align: center; background: #E8E8E8; line-height: 30px; color: #999;\">\u5bfc\u8bfb<\/td>\n<td style=\"padding: 10px 10px 12px; line-height: 20px;\"><strong>UDP\u662fUser Datagram Protocol(\u7528\u6237\u6570\u636e\u62a5\u534f\u8bae)\u7684\u7f29\u5199\uff0c\u5b83\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u534f\u8bae\uff0c\u7b80\u5355\u5230UDP\u89c4\u8303RFC0768\u53ea\u6709\u533a\u533a3\u9875\u3002<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-149169 size-full\" src=\"https:\/\/gulass.cn\/wp-content\/uploads\/2019\/06\/1-33.jpg\" alt=\"\" width=\"600\" height=\"400\" srcset=\"https:\/\/gulass.cn\/wp-content\/uploads\/2019\/06\/1-33.jpg 600w, https:\/\/gulass.cn\/wp-content\/uploads\/2019\/06\/1-33-300x200.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<div   id="7zif2anh9s"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>\u4ec0\u4e48\u662fUDP?<\/strong><\/div>\n<p>UDP\u662fUser Datagram 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20px;\"><strong>\u6d88\u606f\u8fb9\u754c<\/strong><\/div>\n<p>\u5e94\u7528\u7a0b\u5e8f\u6bcf\u8bf7\u6c42\u4e00\u6b21UDP\u8f93\u51fa\u5c06\u4ea7\u751f\u4e00\u4e2aUDP\u6570\u636e\u62a5\uff0c\u4ece\u800c\u53d1\u9001\u4e00\u4e2aIP\u6570\u636e\u62a5\uff0c\u800c\u63a5\u6536\u7aef\u6bcf\u8bf7\u6c42\u4e00\u6b21UDP\u63a5\u6536\u90fd\u5c06\u63a5\u6536\u4e00\u4e2a\u5b8c\u6574\u7684UDP\u62a5(\u5982\u679c\u6709)\uff0c\u8fd9\u8ddf\u9762\u5411\u6570\u636e\u6d41\u7684TCP\u4e0d\u4e00\u6837\u3002<\/p>\n<p>\u5047\u8bbe\u4e3b\u673aA\u7ed9\u4e3b\u673aB\u53d1\u90012\u6b21\u6570\u636e\uff0c\u7b2c\u4e00\u6b214\u5b57\u8282\u201cabcd\u201d\uff0c\u7b2c\u4e8c\u6b213\u5b57\u8282\u201cxyz\u201d\uff0c\u800c\u4e3b\u673aB\u63a5\u65362\u6b21\uff0c\u5206\u522b\u8fd4\u56de\u201cabcd\u201d\u3001\u201cxyz\u201d\u4e24\u4e2a\u6d88\u606f\uff0c\u4e5f\u53ef\u4ee5\u8fd4\u56de\u201cxyz\u201d\uff0c\u201cabcd\u201d\u4e24\u4e2a\u6d88\u606f(\u987a\u5e8f\u4e0d\u91cd\u8981)\uff0c\u90a3\u4e48\u8fd9\u5c31\u662f\u4fdd\u7559\u6d88\u606f\u8fb9\u754c\u3002<\/p>\n<p>UDP\u662f\u4fdd\u7559\u6d88\u606f\u8fb9\u754c\u7684\u4f20\u8f93\u5c42\u534f\u8bae\uff0c\u5229\u7528UDP\u901a\u4fe1\u7684\u5e94\u7528\u7a0b\u5e8f\u6bcf\u6b21\u53d1\u9001\u64cd\u4f5c\u4f1a\u4ea7\u751f\u4e00\u4e2aIP\u6570\u636e\u62a5(\u4e0d\u8003\u8651\u5206\u7247)\uff0c\u8fd9\u5c31\u7ea6\u675f\u6bcf\u6b21\u53d1\u9001\u7684\u6570\u636e\u91cf\u4e0d\u80fd\u5927\u4e8eMTU(\u6700\u5927\u4f20\u8f93\u5355\u5143)\uff0c\u63a5\u6536\u7aef\u6bcf\u6b21\u63a5\u6536\u90fd\u4f1a\u8fd4\u56de\u4e00\u4e2a\u4e2aUDP\u6570\u636e\u62a5\u7684\u5b8c\u6574\u8d1f\u8f7d\uff0c\u4e0d\u4f1a\u51fa\u73b0\u8fd4\u56de\u534a\u4e2a\u6570\u636e\u62a5\u8d1f\u8f7d\u7684\u60c5\u51b5\u3002<\/p>\n<p>\u800cTCP\u662f\u4e0d\u4fdd\u7559\u6d88\u606f\u8fb9\u754c\u7684\u6d41\u534f\u8bae\uff0c\u53d1\u9001\u7aef\u8c03\u7528\u53d1\u9001\u7684\u6b21\u6570\u548c\u6bcf\u6b21\u53d1\u9001\u7684\u6570\u636e\u91cf\uff0c\u8ddf\u63a5\u6536\u7aef\u8c03\u7528\u63a5\u6536\u7684\u6b21\u6570\u548c\u6bcf\u6b21\u63a5\u6536\u7684\u6570\u636e\u91cf\uff0c\u6ca1\u6709\u4efb\u4f55\u5bf9\u5e94\u5173\u7cfb\uff0c\u6240\u4ee5\u4f7f\u7528TCP\u7684\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u53bb\u5904\u7406\u6d88\u606f\u8fb9\u754c\u3002<\/p>\n<div 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