Network interface

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For other uses, see Interface.

In computing, a network interface is a system's (software and/or hardware) interface between two pieces of equipment or protocol layers in a computer network.

A network interface will usually have some form of network address.[1] This may consist of a node Id and a port number or may be a unique node Id in its own right.

Network interfaces provide standardized functions such as passing messages, connecting and disconnecting, etc.