Nortel 15000 Terminology page 69

IPSec
A security feature that defines a suite of cryptographic protocols and an
architecture used to protect packets at the network layer.
IP tunneling
A feature available on Nortel Multiservice Switch nodes that allows you to
connect physically separate IP networks that share the same address space
through an IP network on a different address space.
IPIFR
See Internet protocol interface over frame relay (IPIFR) (page
IPIVC
See Internet protocol interface over virtual circuit (IPIVC) (page
Ipv4Label
The BGP address family used for Carrier's Carrier to distribute routes and
labels associated with them. It consists of both the address family identifier
(AFI) and the subsequent address family identifier (SAFI). Ipv4Label
represents the AFI/SAFI value of 1/4.
Ipv4MplsVpn
The BGP address family used for BGP/MPLS VPNs to distribute VRF routes
and service labels associated with them. It consists of both the address family
identifier (AFI) and the subsequent address family identifier (SAFI).
Ipv4MplsVpn represents the AFI/SAFI value of 1/128.
ISDN
See integrated services digital network (ISDN) (page
ISO
International Organization for Standardization.
isochronous
A data bit stream that has equal time between bits.
ITC mode
See independent transmit clock (ITC) mode (page
ITU-T
See International Telecommunication Union - Telecommunication
Standardization Bureau (ITU-T) (page
Copyright © 2006, Nortel
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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
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Nortel Confidential