TCP/IP protocol and http Protocol Summary and relationship

Summary and relationship between TCP/IP and http protocols 1. The IP protocol is not oriented, but provides data links as best as possible. Www.2cto.com 2. TCP is a connection-oriented, full-duplex protocol that provides reliable data transmission. Understanding the full duplex feature makes it easy to understand the TCP three-way handshake process. In fact, it is the process of testing the link. A sends A message to B. Does this path need to be confirmed by B's reply, similarly, whether B to A is smooth requires A to reply to confirm. There will also be information validation and verification during the data transmission process. After the data transmission is completed, the connection needs to be closed, otherwise the link will be maintained. An HTTP protocol at www.2cto.com is actually a TCP communication process. After a request is sent, the connection is closed. For HTTP1.1, keep alive is supported, that is, link persistence. This feature enables active communication between servers and browsers.