Confused about Ethernet and the transmission control protocol/Internet protocol (TCP/IP) stack and/or suite of protocols? That’s not surprising. “This is not an easy subject to talk about. There are ...

Getting started on designing a network is a task of formidable proportions, but all the more so if you are looking to build a secure IT network. Often, IT system administrators are not fully familiar ...

A reference model is a virtual model which defines how communication should take place. It logically divides the processes which are required for the communication into layers. This concept is known ...

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 ...

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 ...

This installment in Automation World’s continuing series on key industrial network technologies clarifies what EtherNet/IP is and traces its development as a leading Ethernet-based industrial ...