Service Access Point

<networking> (SAP) The OSI term for the component of a network address which identifies the individual application on a host which is sending or receiving a packet.

TCP/IP's equivalent term is "port".

Different SAPs distinguish between different services or applications on a host, e.g. electronic mail, FTP, HTTP.

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servers server-side server-side include service serviceability	packet driver SAP SAPI Transport Service Access Point TSAP	Service Advertising Protocol Service Discovery Protocol service provider servlet session