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 ...

The PPP (Point-to-Point Protocol) multiplexing/demultiplexing discussed in RFC 3153 is designed to reduce the size of the PPP header to increase throughput. PPP ...

The Internet Protocol is growing in wide-area networks (WANs). That doesn't mean that Sonet/ SDH systems are going away, though. These reliable, secure, and fast systems will continue to form the ...