{"id":697,"date":"2019-09-01T16:26:44","date_gmt":"2019-09-01T16:26:44","guid":{"rendered":"https:\/\/www.jayjaydream.com\/?p=697"},"modified":"2019-09-01T16:26:44","modified_gmt":"2019-09-01T16:26:44","slug":"%e8%bd%af%e8%80%83%e7%bd%91%e7%bb%9c%e7%ae%a1%e7%90%86%e5%91%98%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b03%e4%b9%8b%e7%ac%ac%e4%b8%89%e7%ab%a0%e7%bd%91%e7%bb%9c%e4%bd%93%e7%b3%bb%e7%bb%93%e6%9e%84","status":"publish","type":"post","link":"https:\/\/www.jayjaydream.com\/?p=697","title":{"rendered":"\u8f6f\u8003\u7f51\u7edc\u7ba1\u7406\u5458\u5b66\u4e60\u7b14\u8bb03\u4e4b\u7b2c\u4e09\u7ae0\u7f51\u7edc\u4f53\u7cfb\u7ed3\u6784"},"content":{"rendered":"<p>\u7b2c\u4e09\u7ae0\u3001\u7f51\u7edc\u4f53\u7cfb\u7ed3\u6784<\/p>\n<p><strong>1\u3001\u7f51\u7edc\u6027\u80fd\u2014\u65f6\u5ef6\u7684\u8ba1\u7b97<\/strong><br \/>\n\u3010\u8003\u6cd5\u5206\u6790\u3011<\/p>\n<p>\u672c\u8003\u70b9\u7684\u4e00\u822c\u8003\u6cd5\u662f\u8ba9\u6c42\u4e00\u4e2a\u6570\u636e\u5e27\u4eceA\u7ad9\u70b9\u53d1\u51fa\u5230B\u7ad9\u70b9\u63a5\u6536\u6240\u7528\u5230\u7684\u603b\u65f6\u95f4<\/p>\n<p>\u3010\u8981\u70b9\u5206\u6790\u3011<\/p>\n<p>1\u3001 T\u603b=T\u53d1\u9001\u65f6\u5ef6+T\u4f20\u64ad\u65f6\u5ef6<\/p>\n<p>2\u3001 T\u53d1\u9001\u65f6\u5ef6=\u6570\u636e\u5e27\u957f\u5ea6\/\u6570\u636e\u901f\u7387\uff0c\u662f\u6307\u6570\u636e\u5e27\u4ece\u7b2c\u4e00\u4e2abit\u53d1\u51fa\u5230\u6700\u540e\u4e00\u4e2abit\u53d1\u51fa\u6240\u7528\u7684\u65f6\u95f4<\/p>\n<p>3\u3001 T\u4f20\u64ad\u65f6\u5ef6=\u94fe\u8def\u957f\u5ea6\/\u6570\u636e\u5e27\u5728\u94fe\u8def\u4e0a\u7684\u4f20\u64ad\u901f\u7387\uff0c\u662f\u6307\u6570\u636e\u5e27\u5728\u94fe\u8def\u4e0a\u7684\u4f20\u64ad\u65f6\u95f4<\/p>\n<p>4\u3001 \u6570\u636e\u5e27\u5728\u7535\u8def\u4e0a\u7684\u4f20\u64ad\u901f\u7387\u662f\u5149\u901f\u7684\u4e09\u5206\u4e4b\u4e8c\u5373$2*10^8$\u7c73\/\u79d2\uff0c\u8fd9\u4e2a\u6761\u4ef6\u6709\u65f6\u5019\u9898\u76ee\u4e2d\u4e0d\u4f1a\u544a\u77e5\uff0c\u9700\u8981\u7262\u8bb0<\/p>\n<p>\u3010\u5907\u8003\u70b9\u62e8\u3011<\/p>\n<p>\u5957\u7528\u516c\u5f0f\u8fd0\u7b97<\/p>\n<p><strong>2\u3001OSI\u6a21\u578b\u548cTCP\/IP\u6a21\u578b<\/strong><\/p>\n<p>\u3010\u8003\u6cd5\u5206\u6790\u3011<\/p>\n<p>\u672c\u8003\u70b9\u7684\u8003\u6cd5\u6d89\u53caOSI\u4e03\u5c42\u6a21\u578b\u5404\u4e2a\u5c42\u6b21\u7684\u4f5c\u7528\u4e0e\u5bf9\u5e94\u7684\u534f\u8bae\uff0c\u53ca\u5404\u534f\u8bae\u4e4b\u95f4\u7684\u5c01\u88c5\u5173\u7cfb<\/p>\n<p>\u3010\u8981\u70b9\u5206\u6790\u3011<\/p>\n<p>\u5c42\u6b21 \u540d\u79f0 \u4e3b\u8981\u529f\u80fd \u4e3b\u8981\u8bbe\u5907\u53ca\u534f\u8bae<\/p>\n<p>7\u5e94\u7528\u5c42<\/p>\n<p>\u5b9e\u73b0\u5177\u4f53\u7684\u5e94\u7528\u529f\u80fd<\/p>\n<p>POP3\u3001FTP\u3001HTTP\u3001Telnet\u3001SMTP\u3001DHCP\u3001TFTP\u3001SNMP\u3001DNS<\/p>\n<p>6\u8868\u793a\u5c42<\/p>\n<p>\u6570\u636e\u7684\u683c\u5f0f\u4e0e\u8868\u8fbe\u3001\u52a0\u5bc6\u3001\u538b\u7f29<\/p>\n<p>5\u4f1a\u8bdd\u5c42<\/p>\n<p>\u5efa\u7acb\u3001\u7ba1\u7406\u548c\u7ec8\u6b62\u4f1a\u8bdd<\/p>\n<p>4\u4f20\u8f93\u5c42<\/p>\n<p>\u7aef\u5230\u7aef\u7684\u8fde\u63a5<\/p>\n<p>TCP\u3001UDP<\/p>\n<p>3\u7f51\u7edc\u5c42<\/p>\n<p>\u5206\u7ec4\u4f20\u8f93\u548c\u8def\u7531\u9009\u62e9<\/p>\n<p>\u4e09\u5c42\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668 ARP\u3001RARP\u3001IP\u3001ICMP\u3001IGMP<\/p>\n<p>2\u6570\u636e\u94fe\u8def\u5c42<\/p>\n<p>\u4f20\u9001\u4ee5\u5e27\u4e3a\u5355\u4f4d\u7684\u4fe1\u606f<\/p>\n<p>\u7f51\u6865\u3001\u4ea4\u6362\u673a\uff08\u591a\u7aef\u53e3\u7f51\u6865\uff09\u3001\u7f51\u5361\u3001PPTP\u3001L2TP\u3001SLIP\u3001PPP<\/p>\n<p>1\u7269\u7406\u5c42<\/p>\n<p>\u4e8c\u8fdb\u5236\u4f20\u8f93<\/p>\n<p>\u4e2d\u7ee7\u5668\u3001\u96c6\u7ebf\u5668\uff08\u591a\u7aef\u53e3\u4e2d\u7ee7\u5668\uff09<\/p>\n<p>\u3010\u5907\u8003\u70b9\u62e8\u3011<\/p>\n<p>\u8bb0\u5fc6\u4e0a\u8ff0\u8868\u683c<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b2c\u4e09\u7ae0\u3001\u7f51\u7edc\u4f53\u7cfb\u7ed3\u6784 1\u3001\u7f51\u7edc\u6027\u80fd\u2014\u65f6\u5ef6\u7684\u8ba1\u7b97 \u3010\u8003\u6cd5\u5206\u6790\u3011 \u672c\u8003\u70b9\u7684\u4e00\u822c\u8003\u6cd5\u662f &hellip; <a href=\"https:\/\/www.jayjaydream.com\/?p=697\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[55],"tags":[54],"class_list":["post-697","post","type-post","status-publish","format-standard","hentry","category-55","tag-54"],"_links":{"self":[{"href":"https:\/\/www.jayjaydream.com\/index.php?rest_route=\/wp\/v2\/posts\/697","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jayjaydream.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jayjaydream.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jayjaydream.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jayjaydream.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=697"}],"version-history":[{"count":1,"href":"https:\/\/www.jayjaydream.com\/index.php?rest_route=\/wp\/v2\/posts\/697\/revisions"}],"predecessor-version":[{"id":698,"href":"https:\/\/www.jayjaydream.com\/index.php?rest_route=\/wp\/v2\/posts\/697\/revisions\/698"}],"wp:attachment":[{"href":"https:\/\/www.jayjaydream.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=697"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jayjaydream.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=697"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jayjaydream.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=697"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}