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Cisco Broadband Access Center 3.8 Administrator Guide
OL-27172-01
Chapter 2 Broadband Access Center Architecture
Architecture
Figure 2-1 CWMP Deployment in Cisco BAC
Architecture
This section describes the basic Cisco BAC architecture including:
• Regional Distribution Unit (RDU) that provides:
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The authoritative data store of the Cisco BAC system.
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Support for processing application programming interface (API) requests.
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Monitoring of the system’s overall status and health.
See Regional Distribution Unit, page 2-4, for additional information.
• Device Provisioning Engines (DPEs) that provide:
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Interface with customer premises equipment (CPE).
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Configuration and firmware policy instructions cache.
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Autonomous operation from the RDU and other DPEs.
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CPE WAN Management Protocol (CWMP) service.
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IOS-like command line interface (CLI) for configuration.
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Hypertext Transfer Protocol (HTTP) file service.
See Device Provisioning Engines, page 2-4, for additional information.
IP
Operations
Support
Systems
Redundant
BAC RDU
Server
Central Location
Access
Network
284384
Target
Subscriber
Provisioning Group 1
BAC DPE
Servers
CAR RADIUS
Servers
CNR DHCP
Servers
Load
Balancer
STUN
Server
Provisioning Group [n]
BAC DPE
Servers
CAR RADIUS
Servers
CNR DHCP
Servers
Load
Balancer
CHMS
Server