How to realize communication between computers

This article introduces how to achieve communication between computers, the content is very detailed, interested friends can use for reference, I hope it can be helpful to you.

In the computer network, the communication between computers is realized through the network protocol.

What is a network protocol?

A network protocol is a collection of rules, standards, or conventions established for data exchange in a computer network.

A network protocol consists of three elements:

(1) semantic. Semantics is to explain the meaning of each part of the control information. It specifies what kind of control information needs to be sent, as well as what actions are completed and what kind of response they make.

(2) grammar. Syntax is the structure and format of user data and control information, as well as the order in which the data appears.

(3) time series. Timing is a detailed description of the sequence of events. (also known as "synchronization").

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