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TCP/UDP, HTTP, IP, socket relationships.

Source: Internet
Author: User
Tags ftp protocol
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The network is divided into 7 layers. Physical layer, Data link layer, network layer, session layer, application layer, transport layer;

IP protocol is located in the network layer, IP and port to control the network flow;

TCP, UDP is based on the transport layer, TCP guaranteed three times handshake. transmitting data; UDP is high efficiency without considering whether it is connected or not.

HTTP Hypertext protocol, located in the application layer protocol, such as FTP protocol, Telnet protocol

The socket is a similar API that wraps the TCP

TCP/UDP, HTTP, IP, socket relationships.

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