Transport Service Access Point
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Transport Service Access Point



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DEFINITION - In networking, the Transport Service Access Point (TSAP) is part of the Open Systems Interconnection (OSI) IP addressing scheme. It identifies the Network Service Access Point (NSAP) between the session layer and the network layer. The NASP is the part of a network address that identifies which application on the host is sending or receiving a packet.

LAST UPDATED: 10 Jun 2002

Read more about Transport Service Access Point:
- The Internet Engineering Task Force RFC 905 explains the purpose of the TSAP.


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