Conceived in the 1970s when computer networking was taking off, two separate models were merged in 1983 and published in 1984 to create the OSI model that most people are familiar with today.

The third layer of the OSI Model, the network layer, is where most network engineers focus their time and expertise. As Darragh commented in my post on the data link layer , Layer 2 is cool but ...

Servers and clients are the building blocks of computer networks Client-server networking grew in popularity during the 1990s as personal computers became the alternative to mainframe computers.

• Layer 3 – network: The network layer handles packet routing via logical addressing and switching functions. • Layer 2 – data link: Layer 2 operations package and unpack the data in frames.

Mohamad Hassoun, author of Fundamentals of Artificial Neural Networks (MIT Press, 1995) and a professor of electrical and computer engineering at Wayne State University, adapts an introductory ...