However, today, most discussions refer to the TCP/IP Protocol Suite model that has, listed from the top down, five layers: application, transport, network, data link, and physical. Let’s investigate a ...

Ethernet is a layer 2 data link protocol that is widely used with the TCP/IP protocol, which resides at layers 3 and 4.

Furthermore, with the advent of small-scale appliance networking, we shall soon need IP addresses for every component and subcomponent of equipment in an office, factory or the home. The next ...