Network service access point address

A network service access point address (NSAP address), defined in ISO/IEC 8348, is an identifying label for a service access point (SAP) used in OSI networking.

"NSAP" redirects here. For the former Swedish fascist party, see National Socialist Workers' Party (Sweden).

These are roughly comparable to IP addresses used in the Internet Protocol; they can specify a piece of equipment connected to an Asynchronous Transfer Mode (ATM) network. A specific stream, analogous to a TCP/IP port or socket, is specified by using a transport service access point (TSAP). ATM can also use a presentation (PSAP) and session (SSAP) access point, but these may also be unspecified; this is up to the application.

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