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List of terms
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 104).
pools
See bandwidth pools (page 18).
PORS
See
POS
See Packet over SONET (page 96).
POSIX
An industry standard for Portable Operating Systems used in computer environments.
port
1In 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.
2A functional unit of a node through which data can enter or leave a data network.
3An 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
Nortel Multiservice Switch 7400/15000/20000
Terminology
PCR7.2 and up March 2006
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