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Chapter 14
Managing the SCMP
Deployment Scenarios
The following sections illustrate the basic types of SCMP deployment scenarios.
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Single ISG Router with a Single SCE Platform (1xISG – 1xSCE)
Figure 14-1
Figure 14-1
AAA / policy
database
Note the following:
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•
OL-7827-12
1xISG – 1xSCE
1xISG – 2xSCE (SCE cascade)
NxISG – 2xSCE (SCE cascade)
NxISG – MxSCE Via Load Balancing (MGSCP)
illustrates a deployment using one ISG router with a single SCE platform.
Single ISG Router with a Single SCE Platform
SCE
Internet
The red dotted lines depict the control path communication.
A deployment of this type might be used with ISG running on a service gateway or BRAS
terminating a large number of subscribers. However, note that deploying only one SCE platform
results in a single point of failure, which is not generally acceptable in an actual deployment.
Policy
server
Control
protocol
Ethernet or
ISG
ATM switch
c10K BRAS
Cisco SCE 2000 and SCE 1000 Software Configuration Guide
PPP session
DRI
CPE
DSLAM
About SCMP
PC
14-3
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