Understanding of the [OSI] Network 7-tier model

Source: Internet
Author: User

Application layer: HTTP Application layer

Presentation layer: Coding presentation Layer

Session Layer: Port Session Layer

Transport Layer: TCP/UDP Protocol Transport Layer

Network layer: IP tag +--Network layer--+ Network layer

Data Link layer: Computer MAC address Tag |   | Data Link Layer

Physical layer: Network cable, Crystal Head, computer socket | +----> Physical layer

+------------------------------------->+

"The bottom layer serves the upper layer and is transparent, and the corresponding protocol and port are consistent at each level in the communication process."

Pictures on the Internet:

Link:http://www.cnblogs.com/farwish/p/5860843.html

Understanding of the [OSI] Network 7-tier model

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.