|The MIB module which describes the features
supported in MGX82XX products.
This MIB Module provides the features supported
in Controller Cards in MGX8250 and MGX8220.
PXM : Processor Switch Module. This is controller
card in MGX8250.
ASC : AXIS Shelf Controller. This is controller
card in MGX8220.
VSI : Virtual Switch Interface, a hardware-independent
switch control protocol. This allows a Switch to be
controlled by a multiple controllers such as PNNI, MPLS.
These control planes can be internal or external to the
switch.The VSI interface defines the messages and associated
functions which allow communication between the controller
and the switch.This interface is expected to support all
types of connections (voice,data,frame relay,ATM) for PVCs,
SPVCs and SVCs.
Controller - Software ( and possibly hardware) which manages
topology and network resources and performs VSI
Master function. This performs source routing
for end-to-end SVCs, including general call
acceptance GCAC,setup calls with other controllers.
PNNI and MPLS are examples of controllers.