A mapping of user traffic through a switch that correlates the source and destination address pair specified within the packet to an inport and outport pair on the switch. Ruffen, et al. A set of 0 to 7 network links over which user traffic travels between the source and destination endstations. Ingress switch The owner switch of the source endstation of a call connection. That is, the source endstation is attached to one of the local access ports of the switch.
Egress switch The owner switch of the destination endstation of a call connection.
That is, the destination endstation is attached to one of the local access ports of the switch. Intermediate switches Any switch along the call connection path on which user traffic enters and leaves over network links. Note also that the path for this type of connection consists of 0 network links. The path for this type of connection consists of a single network link. Ruffen, et al.