What is the network protocol

What is the network protocol? Definition of a network protocol: A collection of rules, standards, or conventions established for data exchange in a computer network. A network protocol includes at least three elements: syntax, semantics, and timing. A network protocol includes at least three elements: syntax: used to specify the format of the information; format and encoding of the data and control information, and signal levels. Semantics: used to explain what the communication parties should do; control information for coordination and error handling. Timing: (Timing) defines when to communicate, what to say first, what to say later, the speed of speech, and so on. For example, whether to use synchronous transmission or asynchronous transmission. A network protocol is a collection of communication rules between all devices (network servers, computers and switches, routers, firewalls, etc.) on the network. It specifies the format that information must be used for communication and the meaning of these formats. Most networks use a layered architecture, each layer is built on top of it, providing some services to its upper layer, and shielding the upper layer from the details of how to implement the service. The rule that the nth layer on one device communicates with the nth layer on another device is the nth layer protocol. There are many protocols in each layer of the network, and the protocol of the receiver and the sender must be the same, otherwise one party will not be able to identify the information sent by the other party. Network protocols enable various devices on the network to exchange information with each other. Common protocols are: TCP/IP protocol, IPX/SPX protocol, NetBEUI protocol, etc. How do you exchange information between computers on the network? Just like we speak a language, there is also a language between computers on the network. This is the network protocol, which must be used between different computers. The same network protocol can communicate. Of course, there are many kinds of network protocols, and which one is chosen depends on the situation. Computers on the Internet use the TCP/IP protocol. The main reason for the success of the ARPANET network is that it uses the TCP/IP standard network protocol. TCP/IP (Transmission Control Protocol/Internet Protocol) is a standard network protocol adopted by the Internet. It is a network architecture and protocol specification introduced by ARPA from 1977 to 1979. With the development of the Internet, TCP/IP has been further researched, developed, and applied, becoming the "common language" on the Internet. This article comes from [System Home] www.xp85.com