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 ...

Open communication protocolsModbus TCP/IP is an open industrial protocol based on standard Ethernet. Modbus provides connectivity to programmable automation controllers (PACs), PLCs, and legacy ...