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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
JT2
A 6312 kbit/s interface defined in TTC JT-G.703. Consists of a framing
structure of 789 bits made up of 98 time slots (8-bit) followed by 5 framing bits
as defined in TTC JT-G704.
junctor virtual circuit (JVC)
A virtual circuit used to extend the subnet to the legacy data module in a
Passport
4400 access unit. The JVC permits the establishment of a general
virtual circuit (GVC) connection over a Multiservice Passport access network
link (MPANL) service.
JVC
See junctor virtual circuit (JVC) (page 70).
label switching router (LSR)
A core node that performs label switching in an MPLS network.
LACP
See “link aggregation control protocol (LACP)” (page 72).
LAG
See “link aggregation (LAG)” (page 72).
LAN
See local area network (LAN) (page 74).
LAPD
See link access procedure on the D-channel (LAPD) (page 72).
LAPF
See link access procedure on frame relay (LAPF) (page 72).
LATA
See local access transport area (LATA) (page 74).
last common node
Network node where the information flow uses an established call/connection
to a party at the ingress, and an unused interface at the egress.
late packet discard (LPD)
A packet discard mechanism that works in conjunction with PPD. LPD
preserves the end-of-packet cell of a packet that is subject to PPD, which
permits identification of the beginning of the subsequent packet.