network layer


network layer

(networking)(communications subnet layer) The third lowestlayer in the OSI seven layer model. The network layerdetermines routing of packets of data from sender toreceiver via the data link layer and is used by thetransport layer. The most common network layer protocolis IP.

network layer

The services in the OSI protocol stack (layer 3 of 7) that provide network-to-network (internetworking) for a communications session. Also called the "Internet layer" or "IP layer." See OSI model and Internet Protocol.