This paper explains the 2 popular reference models: OSI reference model and TCP/IP model, by comparing the functionality of each layer in both models.

Getting a handle on the invisible part of your network—the protocols that are in use—can be of enormous value in helping you detect problems.

Whether it’s wired or wireless, most data communications today happens by way of packets of information travelling over one or more networks. But before these networks can work ...

What makes this so nice is that it is possible to use applicable protocols within the stack (such as TCP-IP, Wi-Fi, Ethernet, etc.) and apply security to them. The OSI model is supported by the ...

A tutorial on the Open Systems Interconnection (OSI) networking reference model plus tips on how to memorize the seven layers.