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 purpose of the network layer is to help route messages between different local networks. Central to this layer is the concept of exclusive network addresses, where every terminal connected to the ...

When working with TCP/IP, the model is simplified to four layers plus the physical layer as shown in Figure 2-4. This figure depicts the encapsulation process with protocol overhead down to Ethernet, ...

Over the last several years, TCP/IP has gone from being the protocol that only geeks use, to a universal protocol that everyone uses, thanks to the widespread use of the Internet. TCP/IP has been ...

Streamlining data transmission is a critical challenge for any enterprise. Thankfully, the TCP/IP protocol provides many ways to optimize data transfer. This article examines several options and shows ...

In this tutorial we will discuss the concept of Ports and how they work with IP addresses. If you have not read our article on IP addresses and need a brush up, you can find the article here. If you ...

It probably seemed like science fiction back in 1962 when a scientist from MIT and the Advanced Research Projects Agency (ARPA) named J.C.R. Licklider proposed that the United States develop a ...

Do you remember when we used multi-protocol routing for IPX, AppleTalk, and TCP/IP running on the same network? In the 1980s and early 1990s many enterprises had multiple protocols running on the ...