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G-12
Cajun P550/P880 ATM Uplink User Guide, Version 1.1
Virtual Channel
Connection (VCC)
The end-to-end connection, either point-to-point or point-to-
multipoint, between two endstations. Consists of one or more
Virtual Channels (VCs) concatenated together.
Virtual Channel
Identifier (VCI)
A 16-bit identifier in each ATM cell header that identifies the virtual
connection associated with the cell. Each VCI value has local
significance to only one ATM port in an Cajun system.
Virtual Circuit (VC) A portion of a virtual path or virtual channel that is used to establish
a single virtual connection between two endpoints.
Virtual Ethernet
(VE)
A non-physical Ethernet connection created by the network
between an Cajun system and an endstation, based on the
endstation ID and the Cajun system node name.
Virtual Network A network paradigm that interconnects users based on relationships
instead of physical location. Physically consists of one or more
virtual switches and all attached endstations. Logically consists of
one or more virtual LANs.
Virtual Path A group of virtual channels that can support multiple virtual
circuits.
Virtual Path
Identifier (VPI)
An 8-bit identifier in each ATM cell header that identifies the virtual
path associated with the cell. Each virtual path can support up to
64K virtual channels.
Virtual Segment Part of a network that also consists of Virtual LANs (VLANs).