service interface
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... multicasting is accomplished for all types of network,
although it does specify the required service interface to an
arbitrary local network and gives an Ethernet ...
... be necessary or desirable.
First, the service interface should provide a way for the upper-layer
protocol to specify the IP ...
... hosts that may be attached to more than one network, the
service interface should provide a way for the upper-layer protocol
to identify which network interface ...
... group to which a datagram is being sent, the
service interface should provide a way for the upper-layer protocol
to inhibit local delivery ...