To understand the differences between the Transmission Control Protocol/Internet Protocol and the Open Systems Interconnection model, it's helpful to first dig into the individual protocols.

The OSI model divides network functions into seven distinct layers, from physical hardware to application services. Each layer interacts with adjacent layers, facilitating organized and efficient data ...

What is the network layer? Located at Layer 3 of the Open Systems Interconnection (OSI) communications model, the primary function of the network layer is to move data into and through other networks.

Layers 7 through 4 are geared more to the application than the lower layers, which are designed to move packets from one place to another no matter what they contain. This top layer defines the ...

According to the OSI Model, the session layer is where connections are established, managed, and torn down. For connection-oriented network protocols, understanding how the session layer works, and ...

Morey Haber, Chief Security Advisor at BeyondTrust, is an identity and technical evangelist with over 25 years of IT industry experience. Recently, I was reminiscing with a colleague about unique ...