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Two basic deployment scenarios exist for the routing and policy management.
- running exclusively on a server.
- co-hosted with other virtualized applications on a server.
Routing and Policy Management
The two basic configurations for routing and policy management are:
Centralized Sonus Policy Server (PSX)
The centralized PSX server combines call routing functionality with exceptional capacity of storing tens of millions of call routes in a single database. This SBC-Centralized PSX deployment distributes that routing intelligence to every PSX server in the network and simplifies the provisioning process.
Figure 1 describes SBC deployed with external PSX and an EMS.
|1||SBC with External PSX and EMS|
Embedded Routing Engine (ERE)
ERE provides less routing and policy management functionality and is intended for smaller networks with no complex routing needs.