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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
SCR
See sustainable cell rate (SCR) (page 129).
SCS
See software control system (SCS) (page 124).
SDS
See software distribution site (SDS) (page 124).
SDH
See synchronous digital hierarchy (SDH) (page 131).
SDU
See service data unit (SDU) (page 119).
SEC
SDH Equipment Clock.
secondary control bus (SCB)
The secondary control buses enable the processor cards to communicate with
the software embedded on any fabric card. The SCBs also enable any two
processor cards to exchange information, bypassing the fabric cards.
Secure shell (Ssh)
A Secure shell on a Multiservice Switch provides the capability for an operator
to connect to the node in such a way that all authentication information and
subsequent session traffic is encrypted for increased security.
security association (SA)
A dedicated secure virtual connection between two peers.
security association database (SAD)
A database containing the set of all active SAs within a peer.
security parameter index (SPI)
An index established when the security association (SA) is negotiated
between two peers. This index will be used along with peer address and
protocol type to index the right SA in the security association database (SAD)
for inbound traffic.
security policy (SP)
A policy that defines the security services to be applied to a specific IP traffic
flow.