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List of terms
Nortel Multiservice Switch 7400/15000/20000
Terminology
NN10600-005 7.2S1 Standard
PCR7.2 and up March 2006
Copyright © 2006, Nortel Nortel Confidential
Internet control message protocol (ICMP)
A collection of error conditions and control messages exchanged by IP
modules in both hosts and gateways. Examples consist of echo requests and
replies and notification of discarded datagrams.
Internet group management protocol (IGMP)
A protocol that is used between routers and locally attached hosts to
communicate multicast group membership information.
Internet protocol (IP)
A protocol suite that operates within the Internet as defined by the requests
for comment (RFC). This term can also refer to the network-layer (level 3) of
this protocol stack-the layer concerned with routing datagrams from network
to network.
Internet protocol interface over frame relay (IPIFR)
Allows a Nortel Multiservice Data Manager workstation to communicate with
Nortel Multiservice Switch nodes over frame relay. Once the connection
between a workstation and a node has been established, Multiservice Data
Manager can connect to the node over frame relay and exchange IP
datagrams.
Internet protocol interface over virtual circuit (IPIVC)
In Nortel Multiservice Switch device’s initial releases, FTP, Telnet, Ssh, and
FMIP protocols are implemented over TCP/IP protocols using the IPIVC
system. This system allows Nortel Multiservice Data Manager workstations to
communicate with Multiservice Switch nodes by way of X.25 on DPN-100.
Once the connection between a workstation and a DPN-100 module has been
established, Multiservice Data Manager can connect to the node over the
X.25 virtual circuit and exchange IP datagrams. The ftp connections can be
either secure or non-secure as described in the Multiservice Data Manager
Security User Guide.
inter-region Multiservice Switch trunk
A Nortel Multiservice Switch trunk that is a link between two border nodes in
different topology regions.
interrupting mode
See frame-cell trunk (page 54).
intra-domain link
A PNNI link that connects two nodes that are in the same local rerouting
domain.