Why should we introduce the concept of port into network communication?

The concept of port is mainly used to distinguish different services.

For example, suppose the IP address of my computer is1.1.1.1. There are two programs on my computer, QQ and Aliwangwang. The destination address on the external data packet is 1. 1. 1, which is transmitted to my computer through a series of transmissions.

exceed

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Type 50 submachine gun

Li's birthday apology women's underwear is copied with the goods. Is her copywriting too disrespectful to women?

Corporate Culture of Zhongtian Development Holding Group Co., Ltd.

Mengniu logo meaning

Ways and methods of studying the history of the party and ideological politics.

Welcome the contents of the blackboard newspaper of the 18th National Congress.

How to draw the sports meeting news tabloid?

Running eight-character slogan inspirational slogan daquan

How much is the deduction?

5.29 Memorial Day Slogan of Family Planning Association