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 ...

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 maximum transmission unit (MTU) for a protocol sets the top limit on how big its packets can be. However, the network devices they pass through, encapsulation, and other factors can complicate ...