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CHAPTER
7-1
Cisco WAN Manager User’s Guide
Version 10.5, Part Number 78-12945-01 Rev. D0, August 2003
7
Service Class Template Manager
This chapter describes the CWM Service Class Template (SCT) desktop application. The SCT
application allows users to map standard connection protocol parameters for AXSM, AXSM-E, and
RPM cards using a set of data structures that associate VSI service types to sets of pre-configured Virtual
Channel (VC), and Class of Service Buffer (CoSB) parameters.
SCT Overview
The Service Class Template application is a Java based CWM process that allows for creating SCT files
which can then be loaded to nodes, and can be associated with interfaces on cards within the nodes. This
application is launched from the CWM desktop and allows users and network operators to configure
AXSM, AXSM-E, and RPM cards, using the Service Class Template feature. Specifically, users or
network operators are able to use the SCT application to create, modify, delete, download, and associate
SCT files to AXSM cards and ports.
VC Descriptor
The Virtual Channel Descriptor Template is a component of a Service Class Template that contains
platform specific VC configuration, and is indexed primarily by Service Type. A Service Type is a
concept for grouping connections that share a common set of traffic characteristics and QoS (Quality of
Service) requirements. The VC Descriptor Template defines SCT parameters that are applied to all VCs
and that match a specified Service Type. As defined in the SCT MIB for the AXSM card, a VC
Descriptor for AXSM consists of 36 elements, including the SCT ID, of which the VC Descriptor is a
part, the Service Type and the CoSB (Class of Service Buffer) number, which indicates the CoSB used
for the connections.
CoSB Descriptor
The Class of Service Buffer is a buffer or queue that serves connections with similar QoS requirements.
A CoSB Descriptor Template contains CoSB configurations, with 18 attributes for AXSM cards indexed
by CoSB number.