We met Mr. Murphy, of “What can go wrong, will” infamy, in the introduction to failure modes and the discussion of failure modes at the foundation levels. Now we will learn his tricks on shared media ...

In networking and communications, the formats, codes and procedures for transmitting a unit of data (frame, packet) from one node to another. Known as a "layer 2 protocol," the data link protocol is ...

The technical name of a frame of data transmitted over the data link layer (layer 2) in a communications network. Ethernet and Token Ring are examples of this layer. Many people neither use the term ...