What is a network protocol? Most textbook writers state something like this: A network protocol is a set of guidelines or standards for the operation of network devices, the methods of operation, and ...

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 ...

There are two models in wide use, a 7-layered one called the OSI model and a 4-layered one used by IP, the Internet Protocol. IP's 4-layer model is what we're going to talk about here. It's a simpler ...