Deployment Scenarios; Single Isg Router With A Single Sce Platform (1Xisg - 1Xsce) - Cisco SCE8000 Configuration Manual

Chapter 11 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)
The following diagram illustrates a deployment using one ISG router with a single SCE platform.
Figure 11-1 Single ISG Router with a Single SCE Platform
AAA / policy
database
SCE
Internet
Note •
•
OL-16479-01
1xISG – 1xSCE
NxISG – MxSCE Via Load Balancing (MGSCP)
Policy
server
Control
protocol
Ethernet or
ISG
ATM switch
c10K BRAS
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.
PPP session
DRI
CPE
DSLAM
Cisco SCE8000 Software Configuration Guide, Rel 3.1.6S
About SCMP
PC
11-3