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 communication into seven distinct layers, each responsible for specific functions in data transmission. Upper layers (application, presentation, session) handle data ...

Transmission Control Protocol (TCP) is a standard protocol on the internet that ensures the reliable transmission of data between devices on a network. It defines how to establish and maintain a ...

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 ...

Beginning in 1980, the IEEE began work on Project 802, an effort to prepare local area network standards. By 1986, the 802 committee had published the first five standards. An introductory document, ...

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 ...