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Cisco SCE 2000 and SCE 1000 Software Configuration Guide
OL-7827-12
Chapter 14 Managing the SCMP
About SCMP
Deployment Scenarios
The following sections illustrate the basic types of SCMP deployment scenarios.
•
1xISG – 1xSCE
•
1xISG – 2xSCE (SCE cascade)
•
NxISG – 2xSCE (SCE cascade)
•
NxISG – MxSCE Via Load Balancing (MGSCP)
Single ISG Router with a Single SCE Platform (1xISG – 1xSCE)
Figure 14-1
illustrates a deployment using one ISG router with a single SCE platform.
Figure 14-1
Single ISG Router with a Single SCE Platform
Note the following:
•
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.
210264
Internet
Ethernet or
ATM switch
ISG
c10K BRAS
DSLAM
CPE
PPP session
DRI
PC
SCE
Policy
server
AAA / policy
database
Control
protocol