Specifications

Glossary
22
Cisco BPX 8600 Series Installation and Configuration
Release 9.3.0, Part Number 78-10674-01 Rev. D0, July 2001
VSI Controller
A controller, such as a PNNI SVC Controller, Portable AutoRoute or Label Switch Controller, which
controls a switch using the VSI.
VSI Master
A VSI master process implementing the master side of the VSI protocol in a VSI controller.
Sometimes the whole VSI controller might be referred to as a "VSI Master", but this is not strictly
correct.
1) A device that controls a VSI switch, for example, a VSI Label Switch Controller.
2) A process implementing the master side of the VSI protocol.
VSI Slave
1) A switch (in the “Single Slave model”)oraportcard(inthe“Multiple Slave Model”)that
implements the VSI.
2) A process implementing the slave side of the VSI protocol.
VS/VD (Virtual
Source/Virtual
Destination)
ATM Forum Traffic Management 4.0 method of providing congestion flow control for ABR
connection types. Resource Management (RM) cells are used to convey management information
between sources and destinations.
vt (virtual terminal)
An control terminal that is the active control terminal at one node but is physically attached to another
node.
V