Protocol - MDN Web Docs Glossary: Definitions of Web-related terms 编辑

A protocol is a system of rules that define how data is exchanged within or between computers. Communications between devices require that the devices agree on the format of the data that is being exchanged. The set of rules that defines a format is called a protocol.

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General Knowledge

• Communications protocol on Wikipedia
• RFC Official Internet Protocol Standards

See also

• TCP
• HTTP overview
• Packet