What is the basic protocol used by the internet?

What is the basic protocol used by the internet?

The basic protocol used by the internet is TCP/IP.

TCP/IP (Transmission Control Protocol/Internet Protocol) is a network communication protocol that standardizes all communication devices on the network, especially the format of data exchange between one host and another host and Transmission method. TCP/IP is the basic protocol of INTERNET and a standard method for packaging and addressing computer data.

In data transmission, it can be visually understood as having two envelopes. TCP and IP are like envelopes. The information to be transmitted is divided into several segments, and each segment is stuffed into a TCP envelope, and in the The segment number information is recorded on the envelope, and then the TCP envelope is stuffed into the IP large envelope and sent to the Internet.

At the receiving end, a TCP software package collects the envelope, extracts the data, restores it in the order before sending, and verifies it. If an error is found, TCP will ask for retransmission. Therefore, TCP/IP can transmit data almost error-free in the INTERNET. In any physical network, each site has a machine-identifiable address, which is called a physical address. A physical address has two

characteristics:

(1) The length of the physical address , format, etc. are part of the physical network technology. Different physical networks have different physical addresses.

(2) Sites on different networks of the same type may have the same physical address.

The above two The point is decided that physical networks cannot be used for inter-network communication.

In network terminology, a protocol is a pre-specified standard for exchanging data between two computers. TCP/IP is not one but many protocols, which is why you often hear it standing for a set of protocols, of which TCP and IP are just two basic protocols.

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