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neighborhood discovery
A process
that runs on the network processor (NP) of each LightStream 2020 ATM switch in
the Asynchronous Transfer Mode (ATM) network. For call routing purposes, every
node in the network needs to know about changes in network topology, such as
trunks and ports going up or down. ND learns about such changes at the chassis
level and forwards this information to the global information distribution
(GID) process, which sends the information throughout the network. Sometimes
referred to as neighborhood discovery daemon, or NDD. See also
GID.
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