Nortel 15000 Terminology page 103

PNNI routing domain
A group of topologically contiguous systems that are running one instance of
PNNI routing.
PNNI topology state element
A collection of PNNI information that is flooded among all logical nodes within
a peer group.
PNNI topology state packet
A type of PNNI routing packet that is used for flooding PTSEs among logical
nodes within a peer group.
PMS
See port management system (PMS) (page
pools
See bandwidth pools (page
PORS
See path-oriented routing system (PORS) (page
POS
See Packet over SONET (page
POSIX
An industry standard for Portable Operating Systems used in computer
environments.
port
1 In data communication, the part of a data processor that is dedicated to a
single data channel for the purpose of receiving data from, or transmitting
data to, one or more external remote devices.
2 A functional unit of a node through which data can enter or leave a data
network.
3 An access point (for example, a logical unit) for data entry or exit.
port ID
Identifies the egress port used by a connection. The value of the zero is
considered a wildcard.
port-VLAN
The port-VLAN is a VLAN that defines the treatment for untagged, priority-
tagged, and port-VLAN tagged traffic on a VLAN-aware Ethernet interface.
The port-VLAN tagged traffic is identified by the PVID.
Copyright © 2006, Nortel
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List of terms
18).
96).
Nortel Multiservice Switch 7400/15000/20000
Terminology
NN10600-005 7.2S1 Standard
PCR7.2 and up March 2006
104).
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