Cisco 6260 Installation Manual page 237

virtual channel identifier. A 16-bit field in the header of an ATM cell. The VCI, together with the VPI,
VCI
is used to identify the next destination of a cell as it passes through to the ATM switch. It is sometimes
called virtual circuit identifier. See also VPI.
See VCC.
virtual channel
connection
See VCI.
virtual channel
identifier
A logical circuit created to ensure reliable communication between two network devices. A virtual
virtual circuit
circuit is defined by a VPI/VCI pair and can be either PVC or SVC. In ATM, a virtual circuit is called
a virtual channel. See also PVC, SVC, VCI, and VPI.
See VCC.
virtual circuit
connection
See VCI.
virtual circuit
identifier
In ATM, a connection between end users that has a defined route and endpoints. See also PVC
virtual connection
and SVC.
A logical grouping of virtual circuits that connect two sites. One of two types of ATM circuits
virtual path
identified by a VPI. A virtual path is a bundle of virtual circuits, all of which are switched across a
network based on a common VPI. See also VPI.
See VPI.
virtual path
identifier
virtual path identifier. An 8-bit field in the header of an ATM cell. The VPI, together with the VCI, is
VPI
used to identify the next destination of a cell as it passes through the network. See also VCI.
W
wide-area network. A data communications network that serves users across a broad geographic area
WAN
and often uses transmission devices provided by common carriers. Compare with LAN.
See WIC.
WAN Interface Card
WAN Interface Card. A WIC card plugs into the card slot of a router and allows DSL use on routers.
WIC
Each WIC acts as a CPE and can handle the amount of data available depending on the line conditions
and the DSL profile assigned to the port.
See WAN.
wide-area network
OL-2365-02
Cisco 6260 Hardware Installation Guide
Glossary
GL-29