The Elements of IPX Routing

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elapsed since information was received concerning a particular table entry. Since this information is either new or changed, the SAP agent that receives this information immediately passes it on, and the change is quickly learned throughout the internetwork.

SAP Request Handling. When a SAP agent receives a general request, it sends the sending source a SAP response packet containing information about all servers of any type known to the receiving SAP agent. This response includes the same information sent out in a periodic broadcast. When the request is specific, the SAP agent sends a SAP response directly to the requesting node. This response contains all known information regarding all servers of the requested type.

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3Com 2500 manual Elements of IPX Routing