TCP/IP模型

            OSI模型与TCP/IP模型
            1.TCP/IP4层模型
            ![](http://i2.51cto.com/images/blog/201805/04/999c92ccc8b9e3d475f9176b4fd0033a.jpg?x-oss-process=image/watermark,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_100,g_se,x_10,y_10,shadow_90,type_ZmFuZ3poZW5naGVpdGk=)
            2.TCP/IP5层模型
            ![](http://i2.51cto.com/images/blog/201805/04/83685dde370f5d4accee5af115b940c7.jpg?x-oss-process=image/watermark,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_100,g_se,x_10,y_10,shadow_90,type_ZmFuZ3poZW5naGVpdGk=)
            3.TCP/IP协议簇的组成
            ![](http://i2.51cto.com/images/blog/201805/04/94c7bc662b30c4821011f795c91fe1ca.jpg?x-oss-process=image/watermark,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_100,g_se,x_10,y_10,shadow_90,type_ZmFuZ3poZW5naGVpdGk=)