The acronym for peer-to-peer. This term is used in telecommunications to refer to a logical computer networkNetwork In computer language, the term network defines a set of hardware and software devices which, when linked together, enable the exchange and sharing of resources, data or information. In a computer network, the devices that generate, route and terminate data are called network nodes. architecture model in which nodes can act both as clients and servers to other terminal nodes (hosts) in the network.