Nortel 15000 Terminology page 80

MCDN
See Meridian 1 ISDN Primary Rate Interface (MCDN) (page
MCR
See minimum cell rate (MCR) (page
MCS
See frame relay managed cut-through switching (MCS) (page
MDCR
See minimum desired cell rate (MDCR) (page
MDP
See Management Data Provider (MDP) (page
MDR
See management data router (MDR) (page
measurement interval (T)
The time interval over which rates and burst sizes are measured. In general,
its duration is proportional to the burstiness of the traffic.
media access control (MAC)
A 48-bit address unique to each local area network interface. This address is
usually derived from the manufacturer's ID number and the serial number of
the interface chip set.
media gateway (MG)
A device that provides media transformation from TDM to VoIP or ATM under
the control of a media gateway controller via a device control interface such
as VGCP. The MG handles all the bearer traffic functionality.
media gateway controller (MGC)
A device that acts on user- or peer-device signaling to create or delete a
narrowband connection on a media gateway via a device control interface
such as VGCP. The MGC handles all the signaling and call control
functionality.
membership scope
In PNNI networking, the level of the routing hierarchy within which
advertisement of a given address is constrained.
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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