The OSI model is a key concept for computer networking. It explains how network devices and protocols communicate. Learn the OSI model and its seven layers in this article.

The Open Systems Interconnection Basic Reference Model (OSI Reference Model or OSI Model) is an abstract description for layered communications and computer network protocol design. It was developed ...

The early successes of computer networks in the mid-1970's made it apparent that to utilize the full potential of computer networks, international standards would be required. In 1977, the ...