Design Reference

view-based
access control
model (VACM)
Provides context, group access, and group security levels based on a
predefined subset of management information base (MIB) objects.
Virtual Link
Aggregation
Control Protocol
(VLACP)
Virtual Link Aggregation Control Protocol (VLACP) is a Layer 2
handshaking protocol that can detect end-to-end failure between two
physical Ethernet interfaces.
Virtual Router
Redundancy
Protocol (VRRP)
A protocol used in static routing configurations, typically at the edge of
the network. This protocol operates on multiple routers on an IP subnet
and elects a primary gateway router. When the primary router fails, a
backup router is quickly available to take its place.
Voice over IP
(VOIP)
The technology that delivers voice information in digital form in discrete
packets using the Internet Protocol (IP) rather than the traditional circuit-
committed protocols of the public switched telephone network (PSTN).
wavelength
division
multiplexing
(WDM)
Simultaneously transmits many colors (wavelengths) of laser light down
the same optical fiber to increase the amount of transferred
information.
wiring closet A central termination area for telephone or network cabling or both.
view-based access control model (VACM)
164 Network Design Reference for Avaya VSP 4000 February 2014
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