{"id":473,"date":"2015-11-17T13:53:15","date_gmt":"2015-11-17T13:53:15","guid":{"rendered":"2050e03ca119580f74cca14cc6e97462"},"modified":"2015-11-17T13:53:15","modified_gmt":"2015-11-17T13:53:15","slug":"","status":"publish","type":"post","link":"https:\/\/www.xiaobo.li\/notes\/archives\/473","title":{"rendered":"[\u8f6c]Android\u5fae\u4fe1\u667a\u80fd\u5fc3\u8df3\u65b9\u6848"},"content":{"rendered":"

\u6765\u6e90\uff1ahttp:\/\/mp.weixin.qq.com\/s?__biz=MzAwNDY1ODY2OQ==&mid=207243549&idx=1&sn=4ebe4beb8123f1b5ab58810ac8bc5994&scene=0#rd<\/p>\n

 <\/p>\n

\u524d\u8a00\uff1a\u5728<\/span>13<\/span>\u5e74<\/span>11<\/span>\u6708\u4e2d\u65ec\u65f6\uff0c\u56e0\u4e3a\u57fa\u7840\u7ec4\u4ef6\u7ec4\u4eba\u624b\u7d27\u5f20\uff0c<\/span>Leo<\/span>\u5b89\u6392\u6211\u548c\u6625\u54e5\u53bb\u5e7f\u5dde\u8f6e\u5c97\u652f\u63f4\u3002\u521a\u5230\u5e7f\u5dde\u7684\u65f6\u5019\uff0c<\/span>Ray<\/span>\u8ba9\u6211\u548c\u6625\u54e5\u5bf9<\/span>Line<\/span>\u548c<\/span>WhatsApp<\/span>\u7684\u5fc3\u8df3\u673a\u5236\u8fdb\u884c\u5206\u6790\u3002\u6211\u548c\u6625\u54e5\u6293\u5305\u6d4b\u8bd5\u4e86\u5dee\u4e0d\u591a\u4e24\u4e2a\u591a\u793c\u62dc\uff0c\u5728\u6211\u4eec\u57fa\u672c\u4e0a\u6478\u6e05\u4e86<\/span>Line<\/span>\u548c<\/span>WhatsApp<\/span>\u7684\u5fc3\u8df3\u673a\u5236\u540e\uff0c<\/span>Ray<\/span>\u624d\u544a\u8bc9\u6211\u4eec\u771f\u6b63\u7684\u4efb\u52a1\u2014\u2014\u5bf9\u5fae\u4fe1\u7684\u56fa\u5b9a<\/span>\u5fc3\u8df3\u8fdb\u884c\u4f18\u5316\uff0c\u5e76\u544a\u8bc9\u6211\u4eec\u8fd9\u4e0d\u662f\u4e00\u4ef6\u5bb9\u6613\u7684\u4e8b\u60c5\u3002\u4e8e\u662f\u6211\u548c\u6625\u54e5\u5f00\u59cb\u6784\u601d\u7b2c\u4e00\u4e2a\u65b9\u6848\uff0c\u6211\u4eec\u5f00\u59cb\u60f3\u7528\u7edf\u8ba1\u7684\u65b9\u6cd5\u6765\u89e3\u51b3\u95ee\u9898\uff0c\u5f53\u6211\u4eec\u62ff\u7740\u7b2c\u4e00\u4e2a\u65b9\u6848\u548c<\/span>Ray<\/span>\u8ba8\u8bba\u65f6\uff0c\u53d1\u73b0\u4e0d\u80fd\u4f18\u96c5\u5e94\u5bf9<\/span>Ray<\/span>\u7684\u6240\u6709\u63d0\u95ee\uff1a<\/span>1<\/span>\u3001\u6d4b\u8bd5\u73af\u5883\u7684\u51c6\u786e\u6027\uff0c\u5931\u8d25\u5230\u5e95\u662f\u56e0\u4e3a\u7f51\u7edc\u7684\u7279\u6027\u5bfc\u81f4\u8fd8\u662f\u56e0\u4e3a\u7528\u6237\u5f53\u524d\u7684\u73af\u5883\u53d8\u5316\u5bfc\u81f4\u7684\u6682\u65f6\u5931\u8d25\u3002<\/span>2<\/span>\u3001\u4e34\u754c\u503c\u754c\u5b9a\uff0c\u5982\u679c\u65b9\u6848\u9009\u4e2d\u7684\u5fc3\u8df3\u503c\u662f\u4e34\u754c\u503c\uff0c\u6211\u4eec\u8be5\u600e\u4e48\u529e\u3002<\/span>Ray\u548c\u7ec4\u4ef6\u7ec4\u540c\u4e8b\u5728\u7f51\u7edc\u65b9\u9762\u6709\u6781\u5176\u4e30\u5bcc\u7684\u7ecf\u9a8c<\/span>\uff0c\u867d\u7136\u4ed6\u6ca1\u6709\u7ed9\u6211\u4eec\u6307\u51fa\u660e\u786e\u7684\u65b9\u5411\uff0c\u4f46\u63d0\u51fa\u7684\u95ee\u9898\u5e2e\u52a9\u6211\u4eec\u66f4\u5feb\u7684\u8865\u9f50\u9700\u8981\u9762\u5bf9\u7684\u6838\u5fc3\u95ee\u9898\u3002\u8fd9\u4e24\u4e2a\u95ee\u9898\u8ba9\u6211\u548c\u6625\u54e5\u610f\u8bc6\u5230\u5982\u679c\u80fd\u5f88\u597d\u7684\u89e3\u51b3\uff0c\u5c31\u53ef\u4ee5\u7ed9\u51fa\u4e00\u4e2a\u6bd4\u8f83\u597d\u7684\u5fc3\u8df3\u65b9\u6848\u3002\u7b2c\u4e00\u4e2a\u95ee\u9898\u6211\u548c\u6625\u54e5\u5f00\u59cb\u5c31\u610f\u8bc6\u5230\uff0c\u7b2c\u4e8c\u4e2a\u95ee\u9898\u6211\u4eec\u786e\u5b9e\u5728\u4e00\u5f00\u59cb\u65f6\u758f\u5ffd\u4e86\u3002\u4f46\u76f4\u63a5\u89e3\u51b3\u8fd9\u4e24\u4e2a\u95ee\u9898\u786e\u5b9e\u4e0d\u5bb9\u6613\uff0c\u8fd9\u7740\u5b9e\u8ba9\u6211\u548c\u6625\u54e5\u8ff7\u832b\u4e86\u51e0\u5929\uff0c\u6709\u4e24\u4e09\u5929\u5728\u7eba\u56ed\u6211\u90fd\u6ca1\u600e\u4e48\u7761\u7740\uff0c\u56e0\u4e3a\u60f3\u4e0d\u5230\u66f4\u597d\u7684\u65b9\u6cd5\u3002\u76f4\u5230\u6709\u4e00\u5929\u601d\u8def\u53d1\u751f\u4e86\u4e00\u4e9b\u8f6c\u53d8\uff0c\u65e2\u7136\u6700\u4f18\u89e3\u6bd4\u8f83\u590d\u6742\uff0c\u4e3a\u4ec0\u4e48\u4e0d\u7ed5\u8fc7\u53bb\uff0c\u4f7f\u7528\u6709\u635f\u670d\u52a1\u7406\u5ff5\u627e\u6b21\u4f18\u89e3\u5462\u3002\u8ba9\u590d\u6742\u7684\u4e8b\u60c5\u7b80\u5355\u5316\uff0c\u597d\u4e86\uff0c<\/span>\u60f3\u5230\u8fd9\u91cc\u7a81\u7136\u6709\u4e00\u79cd\u62e8\u5f00\u4e91\u96fe\u7684\u611f\u89c9\u3002<\/span><\/p>\n

\u601d\u8def\u5bf9\u4e86\uff0c\u65b9\u6848\u5c31\u53ef\u4ee5\u505a\u5230\u7b80\u5355\u5e76\u4e14\u53ef\u9760\uff0c\u5927\u5bb6\u53ef\u4ee5\u770b\u5230\u6700\u7ec8\u7684\u65b9\u6848\u662f\u6bd4\u8f83\u7b80\u5355\u7684\uff0c\u5e76\u4e14\u6548\u679c\u8fd8\u633a\u597d\u7684\u3002\u5728\u65b9\u6848\u63cf\u8ff0\u4e4b\u524d\u5927\u6982\u8bb2\u4e00\u4e0b\u51cf\u4f4e\u95ee\u9898\u590d\u6742\u5ea6\u7684\u65b9\u6cd5\uff1a<\/span><\/p>\n

a<\/strong>\uff09\u5ef6\u8fdf\u5fc3\u8df3\u6d4b\u8bd5\u6cd5\uff1a<\/span><\/strong>\u8fd9\u662f\u6d4b\u8bd5\u7ed3\u679c\u51c6\u786e\u7684\u524d\u63d0\u4fdd\u969c\uff0c\u6211\u4eec\u8ba4\u4e3a\u957f\u8fde\u63a5\u5efa\u7acb\u540e\u8fde\u7eed\u4e09\u6b21\u6210\u529f\u7684\u77ed\u5fc3\u8df3\u5c31\u53ef\u4ee5\u5f88\u5927\u7a0b\u5ea6\u7684\u4fdd\u8bc1\u4e0b\u4e00\u6b21\u5fc3\u8df3\u73af\u5883\u662f\u6b63\u5e38\u7684\u3002<\/span><\/p>\n

b<\/strong>\uff09\u6210\u529f\u4e00\u6b21\u8ba4\u5b9a\uff0c\u5931\u8d25\u8fde\u7eed\u7d2f\u79ef\u8ba4\u5b9a<\/span><\/strong>\uff1a\u6210\u529f\u662f\u7edd\u5bf9\u7684\uff0c\u8fde\u7eed\u5931\u8d25\u591a\u6b21\u624d\u53ef\u80fd\u662f\u5931\u8d25\u3002<\/span><\/p>\n

c<\/strong>\uff09\u4e34\u754c\u503c\u907f\u514d\uff1a<\/span><\/strong>\u6211\u4eec\u4f7f\u7528\u6bd4\u8ba1\u7b97\u51fa\u7684\u5fc3\u8df3\u7a0d\u5fae\u5c0f\u4e00\u70b9\u7684\u503c\u505a\u4e3a\u7a33\u5b9a\u5fc3\u8df3\u907f\u514d\u4e34\u754c\u503c\u3002<\/span><\/p>\n

d<\/strong>\uff09\u52a8\u6001\u8c03\u6574\uff1a<\/span><\/strong>\u5373\u4f7f\u5728\u4e00\u6b21\u5b8c\u6574\u7684\u667a\u80fd\u5fc3\u8df3\u8ba1\u7b97\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u6ca1\u6709\u627e\u5230\u6700\u597d\u7684\u503c\uff0c\u6211\u4eec\u8fd8\u6709\u673a\u4f1a\u6765\u8fdb\u884c\u6821\u6b63\u3002<\/span><\/p>\n

\u5f53\u6211\u548c\u6625\u54e5\u60f3\u51fa\u7b2c\u4e8c\u4e2a\u7b80\u5355\u6613\u884c\u7684\u65b9\u6848\u540e\uff0c\u6211\u4eec\u5fc3\u91cc\u5c31\u5f88\u6709\u5e95\u4e86\uff0c\u53bb\u627e<\/span>Ray\u8ba8\u8bba\uff0c<\/span>Ray\u542c\u5b8c\u540e\u4e00\u6b21\u901a\u8fc7\uff0c\u7136\u540e<\/span>Ray\u7ea6\u4e86<\/span>Harvey\uff0c\u7ed9<\/span>Harvey\u8bb2\u5b8c\u540e\uff0c<\/span>Harvey\u8bf4\u542c\u8d77\u6765\u53ef\u4ee5\uff0c\u53ef\u4ee5\u8bd5\u8bd5\u3002<\/span><\/p>\n

\u7136\u540e\u5c31\u5f00\u59cb\u52a8\u624b\uff0c\u5206\u6790\u7ade\u54c1\u52a0\u786e\u5b9a\u65b9\u6848\u82b1\u4e86\u5dee\u4e0d\u591a\u4e24\u4e2a\u6708\u3002\u5199\u5fc3\u8df3\u7684\u4e3b\u8981\u4ee3\u7801\uff0c\u53ea\u82b1\u4e86\u4e00\u5929\u65f6\u95f4\uff0c\u6211\u8bb0\u5f97\u90a3\u5929\u662f\u5e74\u4f1a\u540e\u7684\u4e00\u5929\u3002\u56de\u8fc7\u5934\u6765\u518d\u770b\u8fd9\u4e2a\u65b9\u6848\u82b1\u8d39\u7684\u65f6\u95f4\u8fd8\u662f\u503c\u5f97\u7684\uff0c\u540e\u6765\u7070\u5ea6\u7684\u7edf\u8ba1\u6570\u636e\u663e\u793a\uff0c<\/span>70%\u7528\u6237\u90fd\u53ef\u4ee5\u8fbe\u5230\u6211\u4eec\u7684\u5fc3\u8df3\u4e0a\u9650\u3002<\/span><\/p>\n

\u641e\u5b8c\u667a\u80fd\u5fc3\u8df3\u540e\u4e00\u6bb5\u65f6\u95f4\u5728\u5e7f\u5dde\u6ca1\u4e8b\u5e72\uff0c\u6211\u5c31\u8ddf<\/span>Ray\u5546\u91cf\uff0c<\/span>Ray\u8ba9\u6211\u53bb\u6d4b\u8bd5\u4e0b<\/span>WebView\u7684\u6027\u80fd\u74f6\u9888\u3002\u7136\u540e\u6211\u8ddf\u5468\u65af\u57fa\u4e00\u8d77\u6765\u505a\u8fd9\u4ef6\u4e8b\uff0c\u641e\u5b8c\u4e86\u5b89\u5353\u5ba2\u6237\u7aef<\/span>WebView\u6027\u80fd\u74f6\u9888\u6d4b\u8bd5\u540e\uff0c\u56e0\u4e3a\u6000\u5b55\u7684\u8001\u5a46\u4e00\u4e2a\u4eba\u5728\u6df1\u5733\uff0c\u9886\u5bfc\u5c31\u5b89\u6392\u6211\u5148\u56de\u6df1\u5733\u4e86\u3002\u6625\u54e5\u575a\u5b88\u7740\u628a<\/span>GCM\u90e8\u5206\u5b8c\u6210\u540e\u624d\u56de\u6df1\u5733\u3002<\/span><\/p>\n

\u7b49\u6211\u4eec\u7684\u5fc3\u8df3\u7248\u672c\u6b63\u5f0f\u53d1\u5e03\u540e\uff0c\u4e00\u5e74\u524d\u6211\u5728\u516c\u53f8<\/span>km\u4e0a\u5206\u4eab\u4e86\u667a\u80fd\u5fc3\u8df3\u65b9\u6848\uff0c\u5438\u5f15\u4e0d\u5c11\u505a<\/span>push\u7684\u540c\u4e8b\u52a0\u5165\u4e86\u8ba8\u8bba\uff0c\u611f\u89c9\u8fd9\u65b9\u9762\u7684\u4ea4\u6d41\u8fd8\u662f\u5f88\u6709\u5fc5\u8981\u7684\u3002<\/span><\/p>\n

\u597d\u4e86\uff0c\u5e9f\u8bdd\u4e86\u5f88\u591a\uff0c\u4e0b\u9762\u5206\u4eab\u4e00\u4e0b\u5fae\u4fe1\u7684\u667a\u80fd\u5fc3\u8df3\u65b9\u6848\u7ec6\u8282\u3002\u7531\u4e8e\u5b57\u6570\u6bd4\u8f83\u591a\uff0c\u5efa\u8bae\u5927\u5bb6\u4f7f\u7528<\/span>PC\u7248\u5fae\u4fe1\u67e5\u770b\u3002<\/span><\/p>\n

1.<\/span><\/strong>\u4e3b\u8981\u76ee\u6807<\/strong><\/span><\/p>\n

\u672c\u65b9\u6848\u7684\u4e3b\u8981\u76ee\u6807\u662f\uff0c\u5728\u5c3d\u91cf\u4e0d\u5f71\u54cd\u7528\u6237\u6536\u6d88\u606f\u53ca\u65f6\u6027\u7684\u524d\u63d0\u4e0b\uff0c\u6839\u636e\u7f51\u7edc\u7c7b\u578b\u81ea\u9002\u5e94\u7684\u627e\u51fa\u4fdd\u6d3b\u4fe1\u4ee4<\/span>TCP\u8fde\u63a5\u7684\u5c3d\u53ef\u80fd\u5927\u7684\u5fc3\u8df3\u95f4\u9694\uff0c\u4ece\u800c\u8fbe\u5230\u51cf\u5c11\u5b89\u5353\u5fae\u4fe1\u56e0\u5fc3\u8df3\u5f15\u8d77\u7684\u7a7a\u4e2d\u4fe1\u9053\u8d44\u6e90\u6d88\u8017\uff0c\u51cf\u5c11\u5fc3\u8df3<\/span>Server\u7684\u8d1f\u8f7d\uff0c\u4ee5\u53ca\u51cf\u5c11\u90e8\u5206\u56e0\u5fc3\u8df3\u5f15\u8d77\u7684\u8017\u7535\u3002<\/span><\/p>\n

\u4e3b\u8981\u65b9\u6cd5\u662f\u53c2\u8003<\/span>WhatsApp\u548c<\/span>Line\u4e2d\u6709\u4ef7\u503c\u7684\u505a\u6cd5\uff0c\u7ed3\u5408\u5f71\u54cd<\/span>TCP\u8fde\u63a5\u5bff\u547d\u7684\u56e0\u7d20\uff0c\u5b9e\u73b0<\/span>Android\u5fae\u4fe1\u540e\u53f0\u81ea\u9002\u5e94\u5fc3\u8df3\u7b97\u6cd5\uff0c\u540c\u65f6\u4f7f\u7528<\/span>GCM\u4f5c\u4e3a\u8f85\u52a9\u901a\u9053\u589e\u52a0\u65b0\u6d88\u606f\u901a\u77e5\u7684\u53ef\u9760\u6027\u3002<\/span><\/p>\n

2. WhatsApp\u3001<\/span>Line\u3001\u5fae\u4fe1\u7684<\/span>Push\u7b56\u7565\u5206\u6790<\/span><\/span><\/h1>\n

2.1 WhatsApp<\/span><\/h2>\n

\u5728\u4e0d\u652f\u6301<\/span>GCM\u7684\u8bbe\u5907\u4e0a\uff0c\u91c7\u7528\u548c\u5fae\u4fe1\u7c7b\u4f3c\u7684\u957f\u8fde\u63a5<\/span>+\u5fc3\u8df3\u7b56\u7565\uff0c<\/span>WIFI\u548c\u624b\u673a\u7f51\u7edc\u4e0b\u7684\u5fc3\u8df3\u95f4\u9694\u90fd\u4e3a<\/span>4\u5206<\/span>45\u79d2\uff0c\u5fc3\u8df3<\/span>5\u6b21\u540e\uff0c\u4e3b\u52a8\u65ad\u5f00\u8fde\u63a5\u518d\u91cd\u8fde\u3002<\/span><\/p>\n

\u5728\u652f\u6301<\/span>GCM\u7684\u8bbe\u5907\u4e0a\uff0c\u4e3b\u8981\u9760<\/span>GCM\u6765\u6fc0\u6d3b<\/span>WhatsApp\uff0c<\/span>WhatsApp\u542f\u52a8\u540e\uff0c\u4f1a\u5efa\u7acb\u4e00\u4e2a\u4e0e\u670d\u52a1\u5668\u7684\u957f\u8fde\u63a5\uff0c\u76f4\u63a5\u901a\u8fc7\u6b64\u957f\u8fde\u63a5\u53d1\u9001<\/span>Push\u6d88\u606f\uff0c\u8fd9\u4e2a\u957f\u8fde\u63a5<\/span>10\u5206\u949f\u65e0\u6d88\u606f\u5c31\u4f1a\u4e3b\u52a8\u65ad\u6389\uff0c\u4e14\u8fd9\u5341\u5206\u949f\u5185\u4e0d\u505a\u5fc3\u8df3\uff0c\u65ad\u6389\u540e<\/span>WhatsApp\u5ba2\u6237\u7aef\u548c\u5b83\u7684\u670d\u52a1\u5668\u4e0d\u518d\u6709\u8fde\u63a5\u3002\u5f53\u6709\u6d88\u606f\u65f6\u5019\uff0c\u670d\u52a1\u5668\u53d1\u73b0\u6ca1\u6709\u957f\u8fde\u63a5\u4f1a\u53d1\u9001<\/span>GCM\u6d88\u606f\uff0c\u624b\u673a\u6536\u5230<\/span>GCM\u6d88\u606f\u540e\uff0c\u4f1a\u91cd\u65b0\u5efa\u7acb\u957f\u8fde\u63a5\u6765\u6536\u53d6\u6d88\u606f\uff0c<\/span>10\u5206\u949f\u65e0\u6d88\u606f\u4f1a\u518d\u65ad\u5f00\uff0c\u5982\u6b64\u5faa\u73af\u3002<\/span><\/p>\n

2.2 Line<\/span><\/h2>\n

\u4ece\u6d4b\u8bd5\u4e2d\u53d1\u73b0<\/span>Line\u5728\u56fd\u5185\u3001\u53f0\u6e7e\u3001\u7f8e\u56fd\u4f7f\u7528\u4e86\u4e0d\u540c\u7684\u7b56\u7565\u3002<\/span><\/p>\n

1<\/strong>\u3001\u7f8e\u56fd\uff08\u4f7f\u7528<\/span>GCM<\/strong>\uff09\uff1a<\/span><\/strong><\/p>\n

\u542f\u52a8\u65f6\uff0c\u4f1a\u4fdd\u6301<\/span>7\u5206\u949f\u5fc3\u8df3\uff08<\/span>CDMA2000\u7f51\u7edc\uff09\u7ef4\u6301\u957f\u8fde\u63a5\u534a\u5c0f\u65f6\uff0c\u4e4b\u540e\u4e3b\u52a8\u65ad\u5f00\u957f\u8fde\u63a5\u3002\u5f53\u6709\u6d88\u606f\u65f6\uff0c\u670d\u52a1\u5668\u4f1a\u53d1\u9001<\/span>GCM\u6d88\u606f\uff0c<\/span>Line\u5ba2\u6237\u7aef\u63a5\u6536\u5230<\/span>GCM\u6d88\u606f\u540e\uff0c\u91cd\u65b0\u5efa\u7acb\u957f\u8fde\u63a5\uff0c\u5e76\u518d\u6b21\u7528\u5fc3\u8df3\u7ef4\u6301\u534a\u4e2a\u5c0f\u65f6\u3002<\/span><\/p>\n

2<\/strong>\u3001\u56fd\u5185\uff08\u4e0d\u4f7f\u7528<\/span>GCM<\/strong>\uff09\uff1a<\/span><\/strong><\/p>\n

\u5728\u56fd\u5185\uff0c\u540c\u6837\u5e10\u53f7\u5728\u76f8\u540c\u7f51\u7edc\uff0c\u4e0d\u540c\u7684\u624b\u673a\u4e0a\u6d4b\u51fa\u4e86\u4e24\u79cd\u7b56\u7565\uff1a<\/span><\/p>\n

\u957f\u8fde\u63a5<\/span>+<\/strong>\u5fc3\u8df3\u7b56\u7565<\/span><\/strong>\uff08\u5728<\/span>Galaxy S3\u4e0a\u4f7f\u7528\uff09\uff0c\u5fc3\u8df3\u95f4\u9694<\/span>WIFI\u4e0b\u662f<\/span>3\u5206<\/span>20\u79d2\uff0c\u624b\u673a\u7f51\u7edc\u662f<\/span>7\u5206\u949f\u3002<\/span><\/p>\n

\u8f6e\u8be2\u7b56\u7565<\/span><\/strong>\uff08\u5728\u7ea2\u7c73\u548c<\/span>Nexus S\u4e0a\u4f7f\u7528\uff09\uff0c\u5982\u56fe<\/span>2-1\u6240\u793a\u3002\u4e0e\u5fc3\u8df3\u7b56\u7565\u7684\u4e3b\u8981\u533a\u522b\u7528\u7ea2\u8272\u6807\u51fa\uff0c\u5ba2\u6237\u7aef\u5728\u957f\u8fde\u63a5\u5efa\u7acb\u540e\u4e5f\u4f1a\u5b9a\u65f6\u53d1\u9001\u8bf7\u6c42\uff0c<\/span>Server\u4f1a\u56de\u590d\u5e76\u4e14\u540c\u65f6\u5173\u95ed\u957f\u8fde\u63a5\u3002\u5ba2\u6237\u7aef\u7b49\u5f85\u8f6e\u8be2\u95f4\u9694<\/span>T1\u540e\u518d\u6b21\u5efa\u7acb<\/span>TCP\u8fde\u63a5\u3002<\/span>Line\u4f1a\u6839\u636e\u624b\u673a\u7684\u6d3b\u8dc3\u72b6\u6001\u52a8\u6001\u8c03\u6574<\/span>T1\uff0c\u8c03\u6574\u8303\u56f4\u662f\u4ece\u6700\u5c0f<\/span>1\u5206\u5230\u6700\u5927\u5230<\/span>2\u5c0f\u65f6\u534a\u3002\u800c\u957f\u8fde\u63a5\u5b58\u6d3b\u65f6\u95f4<\/span>T2\u6bd4\u8f83\u56fa\u5b9a\uff0c\u5728<\/span>WIFI\u4e0b<\/span>4\u5206\u949f\uff0c\u624b\u673a\u7f51\u7edc<\/span>7\u5206\u949f\u3002\u5982\u679c\u5728<\/span>T2\u65f6\u6536\u5230\u65b0\u6d88\u606f\u4f1a\u5ef6\u957f<\/span>T2\u7684\u65f6\u95f4\u3002<\/span><\/p>\n

\"\u70b9\u51fb\u67e5\u770b\u539f\u56fe\"<\/a>\n <\/p>\n

\u56fe<\/span>2-1 Line\u5728\u56fd\u5185\u7684\u8f6e\u8be2\u7b56\u7565<\/span><\/p>\n

3<\/strong>\u3001\u53f0\u6e7e\uff08\u4e0d\u4f7f\u7528<\/span>GCM<\/strong>\uff09\uff1a<\/span><\/strong><\/p>\n

\u4ece<\/span>IBG\u540c\u4e8b<\/span>win\u548c<\/span>guang\u63d0\u4f9b\u7684\u6d4b\u8bd5\u6570\u636e\u4e2d\u770b\u5230\uff0c\u53f0\u6e7e\u4f7f\u7528\u7684\u7b56\u7565\u8ddf\u56fd\u5185\u7684\u8f6e\u8be2\u7b56\u7565\u7c7b\u4f3c\u3002<\/span><\/p>\n

2.3 \u5fae\u4fe1<\/span><\/span><\/h2>\n

\u5fae\u4fe1\u6ca1\u6709\u4f7f\u7528<\/span>GCM\uff0c\u81ea\u5df1\u7ef4\u62a4<\/span>TCP\u957f\u8fde\u63a5\uff0c\u4f7f\u7528\u56fa\u5b9a\u5fc3\u8df3\u3002<\/span><\/p>\n

2.4\u5fc3\u8df3\u5178\u578b\u503c<\/span><\/span><\/h2>\n\n\n\n\n\n
\n<\/td>\n\n

WhatsApp<\/strong><\/p>\n<\/td>\n

\n

Line<\/strong><\/p>\n<\/td>\n

\n

GCM<\/strong><\/p>\n<\/td>\n<\/tr>\n

\n

WIFI<\/strong><\/p>\n<\/td>\n

\n

4\u5206<\/span>45\u79d2<\/span><\/p>\n<\/td>\n

\n

3\u5206<\/span>20\u79d2<\/span><\/p>\n<\/td>\n

\n

15\u5206\u949f<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

\u624b\u673a\u7f51\u7edc<\/span><\/strong><\/p>\n<\/td>\n

\n

4\u5206<\/span>45\u79d2<\/span><\/p>\n<\/td>\n

\n

7\u5206\u949f<\/span><\/p>\n<\/td>\n

\n

28\u5206\u949f<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2.5Line\u3001<\/span>WhatsApp\u3001\u5fae\u4fe1<\/span>Push\u7b56\u7565\u7684\u4f18\u70b9<\/span><\/span><\/h2>\n

a<\/strong>\uff09\u5fae\u4fe1\uff1a<\/span><\/strong>\u5f53\u524d<\/span>\u5fc3\u8df3\u95f4\u9694\u6bd4\u7ade\u54c1\u77ed\uff0c\u6240\u4ee5\u5fae\u4fe1\u5728\u65b0\u6d88\u606f\u63d0\u9192\u4e0a\u4f1a\u6700\u53ca\u65f6\u3002<\/span><\/p>\n

b<\/strong>\uff09\u4f7f\u7528<\/span>GCM<\/strong>\uff1a<\/span><\/strong>Line\u548c<\/span>WhatsApp\u4f7f\u7528<\/span>GCM\u7b56\u7565\u7684\u6700\u5927\u4f18\u70b9\u5c31\u662f\u7701\u7535\uff0c\u4ee5\u53ca\u51cf\u8f7b\u7cfb\u7edf\u8d1f\u8377\uff08\u51cf\u5c11\u540e\u53f0\u5e94\u7528\u6570\u76ee\uff09\u3002<\/span><\/p>\n

c<\/strong>\uff09<\/span>Line<\/strong>\uff1a<\/span><\/strong>Line\u7684\u8f6e\u8be2\u7b56\u7565\uff0c\u4f18\u70b9\u662f\u5f53<\/span>Line\u5904\u4e8e\u6d3b\u8dc3\u72b6\u6001\u65f6\uff0c\u53ca\u65f6\u6536\u6d88\u606f\u3002\u5f53<\/span>Line\u5904\u4e8e\u4e0d\u6d3b\u8dc3\u72b6\u6001\u65f6\uff0c\u7701\u7535\u3002<\/span><\/p>\n

2.6Line\u3001<\/span>WhatsApp\u5fae\u4fe1<\/span>Push\u7b56\u7565\u7684\u4e0d\u8db3<\/span><\/span><\/h2>\n

a\uff09\u5fae\u4fe1\u5f53\u524d\u5fc3\u8df3\u9891\u7387\u76f8\u5bf9\u7ade\u54c1\u8f83\u5927\uff0c\u5728\u8017\u7535\u3001\u8017\u6d41\u91cf\uff0c\u5360\u7528\u4fe1\u4ee4\u901a\u9053\u7b49\u65b9\u9762\u6709\u6240\u5f71\u54cd\u3002<\/span><\/p>\n

b\uff09<\/span>Line\u7684\u8f6e\u8be2\u7b56\u7565\uff0c\u5bfc\u81f4\u7684\u95ee\u9898\u662f\u6d88\u606f\u53ef\u80fd\u4f1a\u5ef6\u8fdf\u63a5\u6536\uff0c\u6d4b\u8bd5\u53d1\u73b0\u6700\u5927\u5ef6\u8fdf\u95f4\u9694\u5230<\/span>2.5\u5c0f\u65f6\u3002<\/span><\/p>\n

c\uff09<\/span>WhatsApp\u548c<\/span>Line\u4f7f\u7528<\/span>Push\u62c9\u8d77\u4e00\u4e2a\u5b9a\u65f6\u957f\u8fde\u63a5\u7b56\u7565\uff0c\u7f3a\u70b9\u662f\u8981\u4f9d\u8d56<\/span>Google\u7684<\/span>Push\u670d\u52a1\uff0c\u5982\u679c<\/span>Google\u7684<\/span>Push\u670d\u52a1\u4e0d\u7a33\u5b9a\uff0c\u6d88\u606f\u4e5f\u4f1a\u5ef6\u8fdf\u63a5\u6536\u3002<\/span><\/p>\n

d\uff09\u5728\u56fd\u5185\u7684\u79fb\u52a8\u548c\u8054\u901a<\/span>2G\u7f51\u7edc\u4e0b\uff0c\u7531\u4e8e\u8fd0\u8425\u5546\u7684\u7b56\u7565\uff0c<\/span>GCM\u957f\u8fde\u63a5\u9891\u7e41\u65ad\u8fde\uff0c<\/span>WhatsApp\u7684<\/span>Push\u6d88\u606f\u5f88\u4e0d\u53ca\u65f6\uff0c\u4f53\u9a8c\u975e\u5e38\u5dee\u3002<\/span><\/p>\n

3. GCM\u7814\u7a76<\/span><\/span><\/strong><\/h1>\n

3.1 GCM\u7279\u70b9<\/span><\/span><\/h2>\n

a\uff09<\/span>Android2.2\u4ee5\u4e0b\u7684\u624b\u673a\u4e0d\u652f\u6301<\/span>GCM\uff0c<\/span>2.2\u5230<\/span>3.0\u9700\u8981\u5b89\u88c5<\/span>Google Store\u5e76\u8bbe\u7f6e<\/span>Google\u5e10\u53f7\uff0c<\/span>4.04\u53ca\u4ee5\u4e0a\u7248\u672c\u4e0d\u9700\u8981\u8bbe\u7f6e\u5e10\u53f7\u4e5f\u80fd\u652f\u6301\u3002<\/span><\/p>\n

b\uff09<\/span>GCM\u53ea\u4f20\u9012\u6570\u636e\uff08\u53ef\u4ee5\u4f20\u9012\u5c0f\u4e8e<\/span>4kb\u7684\u6570\u636e\uff09\uff0c\u5bf9\u8fd9\u4e9b\u6570\u636e\u7684\u5904\u7406\u53ef\u4ee5\u5168\u90e8\u7531\u5f00\u53d1\u8005\u63a7\u5236\u3002<\/span><\/p>\n

c\uff09<\/span>Android\u5e94\u7528\u4e0d\u9700\u8981\u8fd0\u884c\u5c31\u53ef\u4ee5\u63a5\u6536\u6d88\u606f<\/span>(\u901a\u8fc7<\/span>Android\u5e7f\u64ad<\/span>)\u3002<\/span><\/p>\n

d\uff09<\/span>GCM\u4e0d\u4fdd\u8bc1\u53d1\u9001\u7684\u6d88\u606f\u7684\u987a\u5e8f\uff0c\u4e5f\u4e0d\u4fdd\u8bc1\u6d88\u606f\u4e00\u5b9a\u80fd\u591f\u63a8\u9001\u5230\u624b\u673a\u3002<\/span><\/p>\n

3.2 GCM\u5fc3\u8df3\u7b56\u7565\u4ee5\u53ca\u5b58\u5728\u7684\u95ee\u9898<\/span><\/span><\/h2>\n

a\uff09<\/span>\u7528\u5fc3\u8df3\u4fdd\u6d3b\u957f\u8fde\u63a5\uff0c\u5fc3\u8df3\u95f4\u9694\u4e3a<\/span>WIFI\u4e0b<\/span>15\u5206\u949f\uff0c\u6570\u636e\u7f51\u7edc\u4e0b<\/span>28\u5206\u949f\u3002<\/span><\/p>\n

b\uff09<\/span>Google\u53ef\u4ee5\u6539\u53d8\u6240\u6709<\/span>Android\u8bbe\u5907\u7684\u5fc3\u8df3\u95f4\u9694\u503c\uff08\u76ee\u524d\u8fd8\u672a\u6539\u53d8\u8fc7\uff09\u3002<\/span><\/p>\n

c\uff09<\/span>GCM\u7531\u4e8e\u5fc3\u8df3\u95f4\u9694\u56fa\u5b9a\uff0c\u5e76\u4e14\u8f83\u957f\uff0c\u6240\u4ee5\u5728<\/span>NAT aging-time\u8bbe\u7f6e\u8f83\u5c0f\u7684\u7f51\u7edc\uff08\u5982\u8054\u901a<\/span>2G\uff0c\u6216\u6709\u4e9b<\/span>WIFI\u73af\u5883\u4e0b\uff09\u4f1a\u5bfc\u81f4<\/span>TCP\u957f\u8fde\u63a5\u5728\u4e0b\u4e00\u6b21\u5fc3\u8df3\u524d\u88ab\u7f51\u5173\u91ca\u653e\u3002\u9020\u6210<\/span>Push\u5ef6\u8fdf\u63a5\u6536\u3002<\/span><\/p>\n

3.3 GCM\u7684\u53ef\u7528\u6027\u53ca\u7a33\u5b9a\u6027<\/span><\/span><\/h2>\n

\u76ee\u524d\u6d4b\u8bd5\u53d1\u73b0<\/span>GCM\u5728\u56fd\u5185\u53ef\u7528\u6027\u4e0d\u9ad8\uff0c\u539f\u56e0\u6709\uff1a<\/span><\/p>\n

a\uff09 <\/span>Android\u5f88\u591a\u88ab\u624b\u673a\u5382\u5546\u5b9a\u5236\u5316\uff0c\u5382\u5546\u53ef\u80fd\u4f1a\u53bb\u6389<\/span>GCM\u670d\u52a1\u3002<\/span><\/p>\n

b\uff09 <\/span>Android2.2\u5230<\/span>3.0\u4e4b\u95f4\u9700\u8981<\/span>\u5b89\u88c5<\/span>Google Store\u5e76<\/span>\u8bbe\u7f6e<\/span>Google\u5e10\u53f7\u3002<\/span><\/p>\n

c\uff09\u7531\u4e8e\u56fd\u5185<\/span>2G\u548c\u79fb\u52a8<\/span>3G\u7684<\/span>NAT\u8d85\u65f6\u65f6\u95f4\u90fd\u5c0f\u4e8e<\/span>GCM\u5fc3\u8df3\u65f6\u95f4<\/span>(28\u5206\u949f<\/span>)\uff0c<\/span>TCP\u957f\u8fde\u63a5<\/span>\u5fc5\u7136\u65e0\u6cd5\u4fdd\u6d3b\uff0c\u6bcf\u6b21\u90fd\u8981\u7b49<\/span>28\u5206\u949f\u5fc3\u8df3\u5931\u8d25\u91cd\u8fde\u540e\u624d\u80fd\u6536\u5230<\/span>Push\u3002<\/span><\/p>\n

d\uff09\u67d0\u4e9b\u8fd0\u8425\u5546\u53ef\u80fd\u9650\u5236\u4e86<\/span>5228\u7aef\u53e3\uff0c<\/span>\u79fb\u52a8<\/span>3G\/2G\u4e0b\uff0c\u53d1\u73b0\u51e0\u4e4e\u65e0\u6cd5\u8fde\u63a5\u4e0a<\/span>GCM\u670d\u52a1\u5668\uff0c\u4e5f\u5c31\u65e0\u6cd5\u83b7\u5f97<\/span>GCM\u901a\u77e5\uff0c<\/span>WhatsApp\u653e\u540e\u53f0<\/span>10\u5206\u949f\u540e\uff0c\u7ecf\u5e38\u5f88\u957f\u65f6\u95f4\u90fd\u6536\u4e0d\u5230<\/span>Push\u6d88\u606f\u3002<\/span><\/p>\n

\u5728\u7f8e\u56fd<\/span>3G\u7f51\u7edc\u4e0b\u6293\u5305\u7684<\/span>24\u5c0f\u65f6\uff0c<\/span>GCM\u7684\u8fde\u63a5\u6781\u5176\u7a33\u5b9a\uff0c<\/span>24\u5c0f\u65f6\u5185<\/span>GCM\u957f\u8fde\u63a5\u672a\u66fe\u65ad\u8fc7\uff0c\u5728\u53f0\u6e7e<\/span>3G\u7f51\u7edc\u4e0b\u6293\u5305<\/span>14\u4e2a\u5c0f\u65f6\uff0c<\/span>GCM\u8fde\u63a5\u4e5f\u53ea\u65ad\u8fc7\u4e00\u6b21\u3002<\/span>WhatsApp\u7528\u6237\u5728\u6b64\u7c7b\u5730\u533a\u7f51\u7edc\u4e0b\u5ba2\u6237\u7aef\u53ef\u4ee5\u83b7\u5f97\u5f88\u53ca\u65f6\u7684<\/span>Push\u901a\u77e5\u3002<\/span><\/p>\n

\u5728\u4e2d\u56fd\u7535\u4fe1<\/span>3G\u4e0b\u6293\u5305\uff0c\u5927\u90e8\u5206\u65f6\u95f4<\/span>GCM\u8fde\u63a5\u90fd\u6bd4\u8f83\u7a33\u5b9a\uff0c\u53ea\u4f1a\u56e0\u4e3a\u5076\u5c14\u7684<\/span>DHCP\u9020\u6210\u65ad\u8fde\u73b0\u8c61\uff0c\u7531\u4e8e\u9891\u7387\u5f88\u4f4e<\/span>(\u5e73\u5747\u6570\u5c0f\u65f6\u624d\u53d1\u751f\u4e00\u6b21<\/span>)\uff0c\u5bf9<\/span>Push\u4f53\u9a8c\u7684\u5f71\u54cd\u4e0d\u5927\u3002<\/span><\/p>\n

3.4 GCM Server\u7c7b\u578b<\/span><\/span><\/h2>\n

GCM\u63d0\u4f9b\u4e24\u79cd<\/span>Server\u6a21\u578b\uff1a<\/span><\/p>\n

a<\/strong>\uff09<\/span><\/strong>HTTP Server : <\/strong>\u4f7f\u7528\u540c\u6b65\u63a5\u53e3\u53d1\u9001<\/span>HTTP\u8bf7\u6c42\uff0c\u4e00\u6b21\u8bf7\u6c42\u53ef\u4ee5\u53d1\u7ed9\u6700\u591a<\/span>1000\u4e2a\u8bbe\u5907\u3002<\/span><\/p>\n

b<\/strong>\uff09<\/span><\/strong>XMPP Server :<\/strong>\u4f7f\u7528\u5f02\u6b65\u63a5\u53e3\u53d1\u9001\u8bf7\u6c42\uff0c\u53ea\u652f\u6301\u5bf9\u5355\u4e2a\u8bbe\u5907\uff08\u6216\u540c\u4e00\u4e2a\u7528\u6237\u7684\u591a\u4e2a\u5173\u8054\u8bbe\u5907\u53d1\u9001\uff09\uff0c\u53d1\u9001\u8bf7\u6c42\u5e76\u53d1\u6570\u987b\u5c0f\u4e8e<\/span>1000\uff0c\u652f\u6301\u8bbe\u5907\u5230\u4e91\u7aef<\/span>Server\u53d1\u9001\u6570\u636e\u3002\u9700\u8981<\/span>Google\u5c06\u6211\u4eec\u7684\u53d1\u9001<\/span>Server\u52a0\u5165\u767d\u540d\u5355\u3002<\/span><\/p>\n

4.\u5fae\u4fe1\u53ef\u80fd\u7684\u6539\u8fdb\u70b9\u63a2\u8ba8<\/span><\/span><\/h1>\n

\u5fae\u4fe1<\/span>Push\u7684\u4f18\u5316\u4e3b\u8981\u6709\u51e0\u4e2a\u4f18\u5316\u70b9\uff1a<\/span><\/p>\n

a\uff09 <\/span>\u516c\u5171<\/span>Push\u901a\u9053<\/span><\/p>\n

b\uff09 <\/span>\u4f7f\u7528<\/span>GCM Push\u4f5c\u4e3a<\/span>\u8f85\u52a9\u901a\u9053<\/span><\/p>\n

c\uff09\u81ea\u9002\u5e94\u5fc3\u8df3\u95f4\u9694\u4f18\u5316<\/span><\/p>\n

4.1 \u516c\u5171<\/span>Push\u901a\u9053<\/span><\/span><\/h2>\n

\u7531\u4e8e<\/span>GCM\u5728\u56fd\u5185\u7684\u53ef\u9760\u6027\u5f88\u4f4e\uff0c\u73b0\u5728\u56fd\u5185<\/span>Android\u4e0a\u7684<\/span>Push\u57fa\u672c\u4e0a\u662f\u5404\u81ea\u4e3a\u653f\uff0c\u5f88\u591a\u8f6f\u4ef6\u90fd\u81ea\u5df1\u5b9e\u73b0<\/span>Push\u3002\u5bfc\u81f4\u624b\u673a\u88ab\u7ecf\u5e38\u6027\u7684\u5524\u9192\uff0c\u8017\u7535\u8017\u6d41\u91cf\u4e25\u91cd\u3002<\/span><\/p>\n

\u5e02\u9762\u4e0a\u5df2\u7ecf\u6709\u5f88\u591a\u7b2c\u4e09\u65b9\u7684\u516c\u5171\u63a8\u9001\u670d\u52a1\uff0c\u5927\u5bb6\u53ef\u4ee5\u9009\u62e9\u4e00\u4e2a\u9002\u5408\u81ea\u5df1\u5e94\u7528\u7684\u63a8\u9001\u670d\u52a1\u3002\u817e\u8baf\u4e5f\u6709\u4fe1\u9e3d\u548c\u7ef4\u7eb3\u65af\u7ec4\u4ef6\uff0c\u5927\u5bb6\u5728\u9009\u62e9\u65b9\u6848\u7684\u65f6\u5019\u53ef\u4ee5\u5bf9\u6bd4\u4e0b\u3002<\/span><\/p>\n

\u6700\u7ec8\u56e0\u4e3a\u6211\u4eec\u56fd\u5185\u5916\u4f7f\u7528\u4e00\u5957\u65b9\u6848\uff0c\u5e76\u4e14\u662f\u8f85\u52a9\u516c\u9053\uff0c\u6240\u4ee5\u6211\u4eec\u9009\u62e9\u4f7f\u7528<\/span>GCM\u3002<\/span><\/p>\n

4.2 \u4f7f\u7528<\/span>GCM Push\u4f5c\u4e3a\u8f85\u52a9\u901a\u9053<\/span><\/span><\/h2>\n

\u5f53\u524d\u4f7f\u7528<\/span>GCM\u7684\u6210\u672c\u4e0d\u5927\uff0c\u53ef\u4ee5\u4f7f\u7528<\/span>GCM\u4f5c\u4e3a\u8f85\u52a9\u901a\u9053\u6765\u589e\u52a0\u65b0\u6d88\u606f\u7684\u53ca\u65f6\u6027\u3002<\/span><\/p>\n

\u4f7f\u7528<\/span>GCM\u4f5c\u4e3a\u8f85\u52a9\u901a\u9053\uff0c\u5728\u652f\u6301<\/span>GCM\u7684\u8bbe\u5907\u4e0a\u5fae\u4fe1\u4e0a\u4f20\u81ea\u5df1\u7684\u6ce8\u518c<\/span>GCM ID\u7ed9\u5fae\u4fe1<\/span>Server\u3002<\/span><\/p>\n

\u5fae\u4fe1<\/span>Server\u5728\u53d1\u73b0\u957f\u8fde\u63a5\u5931\u6548\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528<\/span>GCM \u4f5c\u4e3a\u8f85\u52a9\u901a\u9053\u901a\u77e5\u5ba2\u6237\u7aef\u6709\u65b0\u6d88\u606f\uff0c\u5ba2\u6237\u7aef\u6536\u5230<\/span>push\u901a\u77e5\u540e\u505a\u4e00\u6b21<\/span>sync\u3002<\/span><\/p>\n

\u53ea\u5229\u7528<\/span>GCM\u6765\u6fc0\u6d3b\u5fae\u4fe1\uff0c\u4e0d\u4f20\u9012\u6d88\u606f\u7684\u5177\u4f53\u6570\u636e\uff0c\u8981\u63a7\u5236\u7ed9\u540c\u4e00\u8bbe\u5907\u53d1\u9001<\/span>GCM\u901a\u77e5\u7684\u65f6\u95f4\u95f4\u9694<\/span>(\u5982\u4e94\u5206\u949f<\/span>)\u3002<\/span><\/p>\n

4.3 \u81ea\u9002\u5e94\u5fc3\u8df3\u95f4\u9694\u4f18\u5316<\/span><\/h2>\n

4.3.1<\/strong>\u5f71\u54cd<\/span><\/strong>TCP<\/strong>\u8fde\u63a5\u5bff\u547d\u7684\u56e0\u7d20<\/span><\/strong><\/span><\/p>\n

\u5728<\/span>Android\u4e0b\uff0c\u4e0d\u7ba1\u662f<\/span>GCM\uff0c\u8fd8\u662f\u5fae\u4fe1\uff0c\u90fd\u662f\u901a\u8fc7<\/span>TCP\u957f\u8fde\u63a5\u6765\u8fdb\u884c<\/span>Push\u6d88\u606f\u7684\uff0c<\/span>TCP\u957f\u8fde\u63a5\u5b58\u6d3b\uff0c\u6d88\u606f<\/span>Push\u5c31\u53ca\u65f6\uff0c\u6240\u4ee5\u8981\u5bf9\u5f71\u54cd<\/span>TCP\u8fde\u63a5\u5bff\u547d\u7684\u56e0\u7d20\u8fdb\u884c\u7814\u7a76\u3002<\/span><\/p>\n

1<\/span><\/strong>\u3001<\/span><\/strong>NAT<\/span><\/strong>\u8d85\u65f6<\/span><\/strong><\/p>\n

\u5927\u90e8\u5206\u79fb\u52a8\u65e0\u7ebf\u7f51\u7edc\u8fd0\u8425\u5546\u90fd\u5728\u94fe\u8def\u4e00\u6bb5\u65f6\u95f4\u6ca1\u6709\u6570\u636e\u901a\u8baf\u65f6\uff0c\u4f1a\u6dd8\u6c70<\/span> NAT \u8868\u4e2d\u7684\u5bf9\u5e94\u9879\uff0c\u9020\u6210\u94fe\u8def\u4e2d\u65ad\uff08<\/span>NAT<\/em>\u8d85\u65f6\u7684\u66f4\u591a\u63cf\u8ff0\u89c1\u9644\u5f55<\/span>6.1<\/em>\uff09\u3002<\/span>NAT\u8d85\u65f6\u662f\u5f71\u54cd<\/span>TCP\u8fde\u63a5\u5bff\u547d\u7684\u4e00\u4e2a\u91cd\u8981\u56e0\u7d20<\/span>(\u5c24\u5176\u662f\u56fd\u5185<\/span>)\uff0c\u6240\u4ee5\u5ba2\u6237\u7aef\u81ea\u52a8\u6d4b\u7b97<\/span>NAT\u8d85\u65f6\u65f6\u95f4\uff0c\u6765\u52a8\u6001\u8c03\u6574\u5fc3\u8df3\u95f4\u9694\uff0c\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u4f18\u5316\u70b9\u3002<\/span><\/p>\n

2<\/span><\/strong>\u3001<\/span><\/strong>DHCP<\/span><\/strong>\u7684\u79df\u671f\uff08<\/span><\/strong>lease time<\/span><\/strong>\uff09<\/span><\/strong><\/p>\n

\u76ee\u524d\u6d4b\u8bd5\u53d1\u73b0\u5b89\u5353\u7cfb\u7edf\u5bf9<\/span>DHCP\u7684\u5904\u7406\u6709<\/span>Bug\uff0c<\/span>DHCP\u79df\u671f\u5230\u4e86\u4e0d\u4f1a\u4e3b\u52a8\u7eed\u7ea6\u5e76\u4e14\u4f1a\u7ee7\u7eed\u4f7f\u7528\u8fc7\u671f<\/span>IP\uff0c\u8fd9\u4e2a\u95ee\u9898\u4f1a\u9020\u6210<\/span>TCP\u957f\u8fde\u63a5\u5076\u7136\u7684\u65ad\u8fde\u3002\uff08\u79df\u671f\u95ee\u9898\u7684\u5177\u4f53\u63cf\u8ff0\u89c1\u9644\u5f55<\/em><\/span>6.2<\/em>\uff09\u3002<\/span> <\/p>\n

3<\/span><\/strong>\u3001\u7f51\u7edc\u72b6\u6001\u53d8\u5316<\/span><\/strong><\/p>\n

\u624b\u673a\u7f51\u7edc\u548c<\/span>WIFI\u7f51\u7edc\u5207\u6362\u3001\u7f51\u7edc\u65ad\u5f00\u548c\u8fde\u4e0a\u7b49\u60c5\u51b5\u6709\u7f51\u7edc\u72b6\u6001\u7684\u53d8\u5316\uff0c\u4e5f\u4f1a\u4f7f\u957f\u8fde\u63a5\u53d8\u4e3a\u65e0\u6548\u8fde\u63a5\uff0c\u9700\u8981\u76d1\u542c\u54cd\u5e94\u7684\u7f51\u7edc\u72b6\u6001\u53d8\u5316\u4e8b\u4ef6\uff0c\u91cd\u65b0\u5efa\u7acb<\/span>Push\u957f\u8fde\u63a5\u3002<\/span><\/p>\n

4.3.2 <\/strong>\u5fc3\u8df3\u8303\u56f4\u9009\u62e9<\/span><\/strong><\/span><\/p>\n

1\u3001\u524d\u540e\u53f0\u533a\u5206\u5904\u7406<\/strong>\uff1a<\/span><\/p>\n

\u4e3a\u4e86\u4fdd\u8bc1\u5fae\u4fe1\u6536\u6d88\u606f\u53ca\u65f6\u6027\u7684\u4f53\u9a8c\uff0c\u5f53\u5fae\u4fe1\u5904\u4e8e\u524d\u53f0\u6d3b\u8dc3\u72b6\u6001\u65f6\uff0c\u4f7f\u7528\u56fa\u5b9a\u5fc3\u8df3\u3002<\/span><\/p>\n

\u5fae\u4fe1\u8fdb\u5165\u540e\u53f0\uff08\u6216\u8005\u524d\u53f0\u5173\u5c4f\uff09\u65f6\uff0c\u5148\u7528\u51e0\u6b21\u6700\u5c0f\u5fc3\u8df3\u7ef4\u6301\u957f\u94fe\u63a5\u3002\u7136\u540e\u8fdb\u5165\u540e\u53f0\u81ea\u9002\u5e94\u5fc3\u8df3\u8ba1\u7b97\u3002\u8fd9\u6837\u505a\u7684\u76ee\u7684\u662f\u5c3d\u91cf\u9009\u62e9\u7528\u6237\u4e0d\u6d3b\u8dc3\u7684\u65f6\u95f4\u6bb5\uff0c\u6765\u51cf\u5c11\u5fc3\u8df3\u8ba1\u7b97\u53ef\u80fd\u4ea7\u751f\u7684\u6d88\u606f\u4e0d\u53ca\u65f6\u6536\u53d6\u5f71\u54cd\u3002<\/span><\/p>\n

2\u3001\u540e\u53f0\u81ea\u9002\u5e94\u5fc3\u8df3\u9009\u62e9\u533a\u95f4<\/strong>\uff1a<\/span><\/p>\n

\u53ef\u6839\u636e\u81ea\u8eab\u4ea7\u54c1\u7684\u7279\u70b9\u9009\u62e9\u5408\u9002\u7684\u5fc3\u8df3\u8303\u56f4\u3002<\/span><\/p>\n

4.3.3 <\/strong>\u72b6\u6001\u8f6c\u6362\u56fe<\/span><\/strong><\/span><\/p>\n

\"\u70b9\u51fb\u67e5\u770b\u539f\u56fe\"<\/a><\/p>\n

4.3.4<\/strong>\u81ea\u9002\u5e94\u5fc3\u8df3\u7b97\u6cd5\u63cf\u8ff0<\/span><\/strong><\/span><\/p>\n

1\u3001\u6309\u7f51\u7edc\u7c7b\u578b\u533a\u5206\u8ba1\u7b97\uff1a<\/strong><\/span><\/p>\n

\u56e0\u4e3a\u6bcf\u4e2a\u7f51\u7edc\u7684<\/span>NAT\u65f6\u95f4\u53ef\u80fd\u4e0d\u4e00\u81f4\u3002\u6240\u4ee5\u9700\u8981\u533a\u5206\u8ba1\u7b97\uff0c\u6570\u636e\u7f51\u7edc\u6309<\/span>subType\u505a\u5173\u952e\u5b57\uff0c<\/span>WIFI\u6309<\/span>WIFI\u540d\u505a\u5173\u952e\u5b57\u3002<\/span><\/p>\n

\u5bf9\u7a33\u5b9a\u7684\u7f51\u7edc\uff0c\u56e0\u4e3a<\/span>NAT\u8001\u5316\u65f6\u95f4\u7684\u5b58\u5728\uff0c\u5728\u81ea\u9002\u5e94\u8ba1\u7b97\u6001\u7684\u65f6\u5019\uff0c\u6682\u8bbe\u8ba1\u4ee5\u4e0b\u6b65\u9aa4\u5728\u5f53\u524d\u5fc3\u8df3\u533a\u95f4\u903c\u8fd1\u51fa\u6700\u5927\u53ef\u7528\u7684\u5fc3\u8df3\u3002<\/span><\/p>\n

a\uff09 <\/span><\/strong>\u53d8\u91cf\u8bf4\u660e\uff1a<\/span><\/strong><\/p>\n

[MinHeart\uff0c<\/span>MaxHeart]\u2014\u2014\u5fc3\u8df3\u53ef\u9009\u533a\u95f4\u3002<\/span><\/p>\n

successHeart\u2014\u2014\u5f53\u524d\u6210\u529f\u5fc3\u8df3\uff0c\u521d\u59cb\u4e3a<\/span>MinHeart<\/p>\n

curHeart\u2014\u2014\u5f53\u524d\u5fc3\u8df3\u521d\u59cb\u503c\u4e3a<\/span>successHeart<\/p>\n

heartStep\u2014\u2014\u5fc3\u8df3\u589e\u52a0\u6b65\u957f<\/span> <\/p>\n

successStep\u2014\u2014\u7a33\u5b9a\u671f\u540e\u7684\u63a2\u6d4b\u6b65\u957f<\/span><\/p>\n

b\uff09 <\/span><\/strong>\u6700\u5927\u503c\u63a2\u6d4b\u6b65\u9aa4\uff1a<\/span><\/strong><\/p>\n

\"\u70b9\u51fb\u67e5\u770b\u539f\u56fe\"<\/a><\/p>\n

\u56fe<\/span>4-1 \u81ea\u9002\u5e94\u5fc3\u8df3\u8ba1\u7b97\u6d41\u7a0b<\/span><\/p>\n

\u81ea\u9002\u5e94\u5fc3\u8df3\u8ba1\u7b97\u6d41\u7a0b\u5982\u56fe<\/span>4-1\u6240\u793a\uff0c\u7ecf\u8fc7\u8be5\u6d41\u7a0b\uff0c\u4f1a\u627e\u5230\u5fc5\u7136\u4f7f\u5fc3\u8df3\u5931\u8d25\u7684<\/span>curHeart\uff08\u6216\u8005<\/span>MaxHeart\uff09\uff0c\u4e3a\u4e86\u4fdd\u9669\u8d77\u89c1\uff0c\u6211\u4eec\u9009\u62e9\u6bd4\u524d\u4e00\u4e2a\u6210\u529f\u503c\u7a0d\u5fae\u5c0f\u4e00\u70b9\u7684\u503c\u4f5c\u4e3a\u540e\u53f0\u7a33\u5b9a\u671f\u7684\u5fc3\u8df3\u95f4\u9694\u3002<\/span><\/p>\n

\u5f71\u54cd\u624b\u673a\u7f51\u7edc\u6d4b\u8bd5\u7684\u56e0\u7d20\u592a\u591a\uff0c\u4e3a\u4e86\u5c3d\u91cf\u4fdd\u8bc1\u6d4b\u8bd5\u7ed3\u679c\u7684\u53ef\u9760\u6027\uff0c\u6211\u4eec\u4f7f\u7528\u5ef6\u8fdf\u5fc3\u8df3\u6d4b\u8bd5\u6cd5\u3002\u5728\u6211\u4eec\u91cd\u65b0\u5efa\u7acb<\/span>TCP\u8fde\u63a5\u540e\uff0c\u5148\u4f7f\u7528<\/span> \u77ed\u5fc3\u8df3\u8fde\u7eed\u6210\u529f\u4e09\u6b21\uff0c\u6211\u4eec\u624d\u8ba4\u4e3a\u7f51\u7edc\u76f8\u5bf9\u7a33\u5b9a\uff0c\u53ef\u4ee5\u4f7f\u7528<\/span>curHeart\u8fdb\u884c\u4e00\u6b21\u5fc3\u8df3\u6d4b\u8bd5\u3002\u56fe<\/span>4-2\u663e\u793a\u4e86\u4e00\u6b21\u6709\u6548\u5fc3\u8df3\u6d4b\u8bd5\u8fc7\u7a0b\u3002\u56fe<\/span>4-3\u663e\u793a\u4e86\u5728\u6ca1\u6709\u8fbe\u5230\u7a33\u5b9a\u7f51\u7edc\u73af\u5883\u65f6\uff0c\u6211\u4eec\u4f1a\u4e00\u76f4\u4f7f\u7528\u56fa\u5b9a\u77ed\u5fc3\u8df3\u76f4\u5230\u6ee1\u8db3\u4e09\u6b21\u8fde\u7eed\u77ed\u5fc3\u8df3\u6210\u529f\u3002<\/span><\/p>\n

\u4f7f\u7528\u5ef6\u8fdf\u5fc3\u8df3\u6d4b\u8bd5\u7684\u597d\u5904\u662f\uff0c\u53ef\u4ee5\u5254\u9664\u5076\u7136\u5931\u8d25\uff0c\u548c\u7f51\u7edc\u53d8\u5316\u8f83\u5927\u7684\u60c5\u51b5\uff08\u5982\u5730\u94c1\uff09\uff0c\u4f7f\u6d4b\u8bd5\u7ed3\u679c\u76f8\u5bf9\u53ef\u9760\uff08\u4e94\u6b21\u5ef6\u8fdf\u6d4b\u8bd5\u786e\u5b9a\u7ed3\u8bba\uff09\u3002\u540c\u65f6\u5728\u7f51\u7edc\u6ce2\u52a8\u8f83\u5927\u7684\u60c5\u51b5\uff0c\u4f7f\u7528\u77ed\u5fc3\u8df3\uff0c\u4fdd\u8bc1\u6536\u53d6\u6d88\u606f\u76f8\u5bf9\u53ca\u65f6\u3002<\/span><\/p>\n

c\uff09 <\/span><\/strong>\u8fd0\u884c\u65f6\u7684\u52a8\u6001\u8c03\u6574\u7b56\u7565<\/span>(<\/strong>\u5df2\u7ecf\u6309\u6d4b\u7b97\u5fc3\u8df3\u7a33\u5b9a\u503c\u540e<\/span>)<\/strong><\/p>\n

NAT<\/strong>\u8d85\u65f6\u503c\u7b97\u51fa\u6765\u540e\uff0c\u5728\u7ef4\u6301\u5fc3\u8df3\u7684\u8fc7\u7a0b\u4e2d\u7684\u7b56\u7565<\/span><\/strong><\/p>\n

\u00fc <\/span><\/span>\u65e0\u7f51\u7edc\u3001\u7f51\u7edc\u65f6\u597d\u65f6\u574f\u3001\u5076\u7136\u5931\u8d25\u3001<\/span>NAT<\/strong>\u8d85\u65f6\u53d8\u5c0f\uff1a<\/span><\/strong>\u5728\u540e\u53f0\u7a33\u5b9a\u671f\u53d1\u751f\u5fc3\u8df3\u53d1\u751f\u5931\u8d25\u540e\uff0c\u6211\u4eec\u4f7f\u7528\u5ef6\u8fdf\u5fc3\u8df3\u6d4b\u8bd5\u6cd5\u6d4b\u8bd5\u4e94\u6b21\u3002\u5982\u679c\u6709\u4e00\u6b21\u6210\u529f\uff0c\u5219\u4fdd\u6301\u5f53\u524d\u5fc3\u8df3\u503c\u4e0d\u53d8\uff1b\u5982\u679c\u4e94\u6b21\u6d4b\u8bd5\u5168\u5931\u8d25\uff0c\u91cd\u65b0\u8ba1\u7b97\u5408\u7406\u5fc3\u8df3\u503c\u3002\u8be5\u8fc7\u7a0b\u5982\u56fe<\/span>4-4\u6240\u793a\uff0c\u6709\u4e00\u70b9\u9700\u8981\u6ce8\u610f\uff0c\u6bcf\u4e2a\u65b0\u5efa\u7684\u957f\u8fde\u63a5\u9700\u8981\u5148\u7528\u77ed\u5fc3\u8df3\u6210\u529f\u7ef4\u6301<\/span>3\u6b21\u540e\u624d\u7528<\/span>successHeart\u8fdb\u884c\u5fc3\u8df3\u3002<\/span><\/p>\n

\"\u70b9\u51fb\u67e5\u770b\u539f\u56fe\"<\/a>
\n <\/span><\/p>\n

\u56fe<\/span>4-2 \u540e\u53f0\u7a33\u5b9a\u6001\u52a8\u6001\u8c03\u6574\u5fc3\u8df3\u7b56\u7565<\/span><\/p>\n

\u00fc <\/span><\/span>NAT<\/strong>\u8d85\u65f6\u53d8\u5927\uff1a<\/span><\/strong>\u4ee5\u5468\u4e3a\u5468\u671f\uff0c\u6bcf\u5468\u4e09\u5c06\u540e\u53f0\u7a33\u5b9a\u6001\u8c03\u81f3\u81ea\u9002\u5e94\u8ba1\u7b97\u6001\uff0c\u4f7f\u7528\u5fc3\u8df3\u5ef6\u8fdf\u6cd5\u5f80\u540e\u63a2\u6d4b\u5fc3\u8df3\u95f4\u9694\u3002<\/span><\/p>\n

\u00fc <\/span><\/span>successHeart<\/strong>\u662f<\/span>NAT<\/strong>\u8d85\u65f6\u4e34\u754c\u503c\uff1a<\/span><\/strong>\u56e0\u4e3a\u6211\u4eec\u73b0\u5728\u9009\u62e9\u7684\u662f\u4e00\u4e2a\u6bd4<\/span>successHeart\u7a0d\u5c0f\u7684\u503c\u4f5c\u4e3a\u7a33\u5b9a\u503c\uff0c\u6240\u4ee5\u5728\u8ba1\u7b97\u8fc7\u7a0b\u4e2d\u53ef\u4ee5\u907f\u5f00\u4e34\u754c\u503c\u3002\u5f53\u8fd0\u8425\u5546\u5728\u6211\u4eec\u540e\u53f0\u7a33\u5b9a\u671f\u5c06<\/span>NAT\u8d85\u65f6\u8c03\u6574\u4e3a\u6211\u4eec\u5f53\u524d\u8ba1\u7b97\u503c\uff0c\u90a3\u4e48\u7531\u4e8e\u6211\u4eec\u6bcf\u5468\u4f1a\u53bb\u5411\u4e0b\u63a2\u7d22\uff0c\u6240\u4ee5\u4e0b\u4e00\u5468\u63a2\u6d4b\u65f6\u4e5f\u53ef\u4ee5\u53ca\u65f6\u8c03\u6574\u6b63\u786e\u3002<\/span><\/p>\n

4.3.5 <\/strong>\u5197\u4f59<\/span><\/strong>Sync<\/strong>\u548c\u5fc3\u8df3<\/span><\/strong><\/span><\/p>\n

\u5728\u7528\u6237\u7684\u4e00\u4e9b\u4e3b\u52a8\u64cd\u4f5c\u4ee5\u53ca\u8054\u7f51\u72b6\u6001\u6539\u53d8\u65f6\uff0c\u589e\u52a0\u5197\u4f59<\/span>Sync\u548c\u5fc3\u8df3\uff0c\u786e\u4fdd\u53ca\u65f6\u6536\u5230\u6d88\u606f\u3002<\/span><\/p>\n

1\u3001\u5f53\u7528\u6237\u70b9\u4eae\u5c4f\u5e55\u7684\u65f6\u5019\uff0c\u505a\u4e00\u6b21\u5fc3\u8df3\u3002<\/span><\/p>\n

2\u3001\u5f53\u5fae\u4fe1\u5207\u6362\u5230\u524d\u53f0\u65f6\uff0c\u505a\u4e00\u6b21<\/span>Sync\u3002<\/span><\/p>\n

3\u3001\u8054\u7f51\u65f6\u91cd\u5efa\u4fe1\u4ee4<\/span>TCP\uff0c\u505a\u4e00\u6b21<\/span>Sync<\/p>\n

5. \u53ef\u80fd\u5b58\u5728\u7684\u98ce\u9669\u53ca\u9884\u9632\u63aa\u65bd<\/span><\/span><\/strong><\/h1>\n

5.1 DHCP\u79df\u671f\u56e0\u7d20<\/span><\/span><\/h2>\n

1\u3001\u95ee\u9898\uff1a<\/strong>\u6839\u636e\u76ee\u524d\u7684\u6d4b\u8bd5\u7ed3\u679c\u663e\u793a\uff0c\u5b89\u5353\u4e0d\u7eed\u7ea6\u5230\u671f\u7684<\/span>IP Bug\uff0c\u4f1a\u5bfc\u81f4<\/span>TCP\u8fde\u63a5\u5728\u4e0d\u786e\u5b9a\u7684\u65f6\u95f4\u70b9\u5931\u6548\uff0c\u4ece\u800c\u4f1a\u5bfc\u81f4\u4e00\u6b21\u5fc3\u8df3\u5931\u8d25\u3002<\/span><\/p>\n

2\u3001\u9884\u9632\uff1a<\/strong>\u7edf\u8ba1\u540e\u53f0\u7a33\u5b9a\u671f\u7684\u5fc3\u8df3\u6210\u529f\u7387\uff0c\u4e0a\u62a5\u7ed9\u540e\u53f0\u3002\u540e\u53f0\u53ef\u4ee5\u6309\u5730\u533a\u5206\u7f51\u7edc\u76d1\u63a7\u8fd9\u4e2a\u6307\u6807\u7684\u6ce2\u52a8\uff0c\u5e76\u4e14\u540e\u53f0\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u6ce2\u52a8\uff0c\u52a8\u6001\u8c03\u6574\u67d0\u533a\u57df\u7279\u5b9a\u7f51\u7edc\u4e0b\u53ef\u9009\u7684\u5fc3\u8df3\u533a\u95f4\u3002<\/span><\/p>\n

5.2 \u5176\u4ed6\u5f71\u54cd<\/span>TCP\u5bff\u547d\u7684\u56e0\u7d20<\/span><\/span><\/h2>\n

\u662f\u5426\u6709\u9057\u6f0f\u7684\u56e0\u7d20\uff1f\u6b22\u8fce\u5404\u4f4d\u8054\u7cfb\u6211\u53cd\u9988\u3002<\/span><\/p>\n

6 \u9644\u5f55<\/span><\/span><\/strong><\/h1>\n

6.1 \u9644\u5f55<\/span>A\u2014\u2014<\/span>NAT\u8d85\u65f6\u4ecb\u7ecd<\/span><\/span><\/h2>\n

\u56e0\u4e3a<\/span> IP v4 \u7684<\/span> IP \u91cf\u6709\u9650\uff0c\u8fd0\u8425\u5546\u5206\u914d\u7ed9\u624b\u673a\u7ec8\u7aef\u7684<\/span> IP \u662f\u8fd0\u8425\u5546\u5185\u7f51\u7684<\/span> IP\uff0c\u624b\u673a\u8981\u8fde\u63a5<\/span> Internet\uff0c\u5c31\u9700\u8981\u901a\u8fc7\u8fd0\u8425\u5546\u7684\u7f51\u5173\u505a\u4e00\u4e2a\u7f51\u7edc\u5730\u5740\u8f6c\u6362<\/span>(Network Address Translation\uff0c<\/span>NAT)\u3002\u7b80\u5355\u7684\u8bf4\u8fd0\u8425\u5546\u7684\u7f51\u5173\u9700\u8981\u7ef4\u62a4\u4e00\u4e2a\u5916\u7f51<\/span> IP\u3001\u7aef\u53e3\u5230\u5185\u7f51<\/span> IP\u3001\u7aef\u53e3\u7684\u5bf9\u5e94\u5173\u7cfb\uff0c\u4ee5\u786e\u4fdd\u5185\u7f51\u7684\u624b\u673a\u53ef\u4ee5\u8ddf<\/span> Internet \u7684\u670d\u52a1\u5668\u901a\u8baf\u3002<\/span><\/p>\n

\"\u70b9\u51fb\u67e5\u770b\u539f\u56fe\"<\/a>
\n<\/span><\/p>\n

NAT \u529f\u80fd\u7531\u56fe\u4e2d\u7684<\/span> GGSN \u6a21\u5757\u5b9e\u73b0<\/span><\/p>\n

\u5927\u90e8\u5206\u79fb\u52a8\u65e0\u7ebf\u7f51\u7edc\u8fd0\u8425\u5546\u90fd\u5728\u94fe\u8def\u4e00\u6bb5\u65f6\u95f4\u6ca1\u6709\u6570\u636e\u901a\u8baf\u65f6\uff0c\u4f1a\u6dd8\u6c70<\/span> NAT \u8868\u4e2d\u7684\u5bf9\u5e94\u9879\uff0c\u9020\u6210\u94fe\u8def\u4e2d\u65ad\u3002\u4e0b\u8868\u5217\u51fa\u4e00\u4e9b\u5df2\u6d4b\u8bd5\u8fc7\u7684\u7f51\u7edc\u7684<\/span>NAT\u8d85\u65f6\u65f6\u95f4<\/span>(\u66f4\u591a\u6570\u636e\u7531\u4e8e\u6d4b\u8bd5\u6761\u4ef6\u6240\u9650\u6ca1\u6709\u6d4b\u5230<\/span>)\uff1a<\/span><\/p>\n\n\n\n\n\n\n\n\n
\n

\u5730\u533a<\/span>\/\u7f51\u7edc<\/span><\/p>\n<\/td>\n

\n

NAT\u8d85\u65f6\u65f6\u95f4<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

\u4e2d\u56fd\u79fb\u52a8<\/span>3G\u548c<\/span>2G<\/p>\n<\/td>\n

\n

5\u5206\u949f<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

\u4e2d\u56fd\u8054\u901a<\/span>2G<\/p>\n<\/td>\n

\n

5\u5206\u949f<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

\u4e2d\u56fd\u7535\u4fe1<\/span>3G<\/p>\n<\/td>\n

\n

\u5927\u4e8e<\/span>28\u5206\u949f<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

\u7f8e\u56fd<\/span>3G<\/p>\n<\/td>\n

\n

\u5927\u4e8e<\/span>28\u5206\u949f<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

\u53f0\u6e7e<\/span>3G<\/p>\n<\/td>\n

\n

\u5927\u4e8e<\/span>28\u5206\u949f<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u957f\u8fde\u63a5\u5fc3\u8df3\u95f4\u9694\u5fc5\u987b\u8981\u5c0f\u4e8e<\/span>NAT\u8d85\u65f6\u65f6\u95f4<\/span>(aging-time)\uff0c\u5982\u679c\u8d85\u8fc7<\/span>aging-time\u4e0d\u505a\u5fc3\u8df3\uff0c<\/span>TCP\u957f\u8fde\u63a5\u94fe\u8def\u5c31\u4f1a\u4e2d\u65ad\uff0c<\/span>Server\u5c31\u65e0\u6cd5\u53d1\u9001<\/span>Push\u7ed9\u624b\u673a\uff0c\u53ea\u80fd\u7b49\u5230\u5ba2\u6237\u7aef\u4e0b\u6b21\u5fc3\u8df3\u5931\u8d25\u540e\uff0c\u91cd\u5efa\u8fde\u63a5\u624d\u80fd\u53d6\u5230\u6d88\u606f<\/span>\u3002<\/span><\/p>\n

6.2 \u9644\u5f55<\/span>B\u2014\u2014\u5b89\u5353<\/span>DHCP\u7684\u79df\u671f\uff08<\/span>lease time\uff09\u95ee\u9898<\/span><\/span><\/h2>\n

\u76ee\u524d\u6d4b\u8bd5\u53d1\u73b0\u5b89\u5353\u7cfb\u7edf\u5bf9<\/span>DHCP\u7684\u5904\u7406\u6709<\/span>Bug\uff1a<\/span><\/p>\n

1\u3001 <\/span>DHCP\u79df\u671f\u5230\u4e86\u4e0d\u4f1a\u4e3b\u52a8\u7eed\u7ea6\u5e76\u4e14\u4f1a\u7ee7\u7eed\u4f7f\u7528\u8fc7\u671f<\/span>IP\uff0c\u8be6\u7ec6\u63cf\u8ff0\u89c1<\/span>http:\/\/www.net.princeton.edu\/android\/android-stops-renewing-lease-keeps-using-IP-address-11236.html<\/span><\/a>\u3002<\/span>\u8fd9\u4e2a\u95ee\u9898\u5bfc\u81f4\u7684\u95ee\u9898\u8868\u8c61\u662f\uff0c\u5728\u8d85\u8fc7\u79df\u671f\u7684\u67d0\u4e2a\u65f6\u95f4\u70b9\uff08\u6ca1\u6709\u89c4\u5f8b\uff09\u4f1a\u5bfc\u81f4<\/span>IP\u8fc7\u671f\uff0c\u8001\u7684<\/span>TCP\u8fde\u63a5\u4e0d\u80fd\u6b63\u5e38\u6536\u53d1\u6570\u636e\u3002\u5e76\u4e14\u7cfb\u7edf\u6ca1\u6709\u7f51\u7edc\u53d8\u5316\u4e8b\u4ef6\uff0c\u53ea\u6709\u7b49\u5e94\u7528\u5224\u65ad\u4e3b\u52a8\u5efa\u7acb\u65b0\u7684<\/span>TCP\u8fde\u63a5\u624d\u5f15\u8d77\u5b89\u5353\u8bbe\u5907\u91cd\u65b0\u5411<\/span>DHCP Server\u7533\u8bf7<\/span>IP\u79df\u7528\u3002<\/span><\/p>\n

2\u3001 <\/span>\u672a\u5230\u79df\u671f\u7684\u4e00\u534a\u65f6\u95f4\uff0c\u5b89\u5353\u8bbe\u5907\u91cd\u65b0\u5411<\/span>DHCP Server\u7533\u8bf7<\/span>IP\u79df\u7528\u3002\u4ece\u76ee\u524d\u6d4b\u8bd5\u7ed3\u679c\u6765\u770b\uff0c\u8fd9\u79cd\u73b0\u8c61\u6062\u590d\u7684\u6bd4\u8f83\u5feb\u3002<\/span><\/p>\n

3\u3001 <\/span>\u79fb\u52a8<\/span>2G\/3G\uff0c\u8054\u901a<\/span>2G\u6ca1\u6709\u6293\u5230<\/span>DHCP\u3002<\/span><\/p>\n

4\u3001 <\/span>\u7f8e\u56fd<\/span>3G\u4e0b\u6293\u53d6<\/span>24\u5c0f\u65f6\uff0c\u6ca1\u6709\u6293\u5230<\/span>DHCP\u3002<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

\u6765\u6e90\uff1ahttp:\/\/mp.weixin.qq.com\/s?__biz=MzAwNDY1ODY2OQ==&mid=207243549&idx=1&sn=4ebe4beb8123f1b5ab58810ac8bc5994&scene=0#rd<\/p>\n

 <\/p>\n

\u524d\u8a00\uff1a\u5728<\/span>13<\/span>\u5e74<\/span>11<\/span>\u6708\u4e2d\u65ec\u65f6\uff0c\u56e0\u4e3a\u57fa\u7840\u7ec4\u4ef6\u7ec4\u4eba\u624b\u7d27\u5f20\uff0c<\/span>Leo<\/span>\u5b89\u6392\u6211\u548c\u6625\u54e5\u53bb\u5e7f\u5dde\u8f6e\u5c97\u652f\u63f4\u3002\u521a\u5230\u5e7f\u5dde\u7684\u65f6\u5019\uff0c<\/span>Ray<\/span>\u8ba9\u6211\u548c\u6625\u54e5\u5bf9<\/span>Line<\/span>\u548c<\/span>WhatsApp<\/span>\u7684\u5fc3\u8df3\u673a\u5236\u8fdb\u884c\u5206\u6790\u3002\u6211\u548c\u6625\u54e5\u6293\u5305\u6d4b\u8bd5\u4e86\u5dee\u4e0d\u591a\u4e24\u4e2a\u591a\u793c\u62dc\uff0c\u5728\u6211\u4eec\u57fa\u672c\u4e0a\u6478\u6e05\u4e86<\/span>Line<\/span>\u548c<\/span>WhatsApp<\/span>\u7684\u5fc3\u8df3\u673a\u5236\u540e\uff0c<\/span>Ray<\/span>\u624d\u544a\u8bc9\u6211\u4eec\u771f\u6b63\u7684\u4efb\u52a1\u2014\u2014\u5bf9\u5fae\u4fe1\u7684\u56fa\u5b9a<\/span>\u5fc3\u8df3\u8fdb\u884c\u4f18\u5316\uff0c\u5e76\u544a...<\/span><\/p>\n

\u7ee7\u7eed\u9605\u8bfb →<\/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":[273],"tags":[],"class_list":["post-473","post","type-post","status-publish","format-standard","hentry","category-article"],"_links":{"self":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts\/473","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/comments?post=473"}],"version-history":[{"count":0,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts\/473\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/media?parent=473"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/categories?post=473"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/tags?post=473"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}