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In this section:
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Overview
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The flexible policy process is summarized below:
- Operator dynamically programs
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using flexible policy rules for extracting SIP information elements and populating variables.Spacevars 0 product - Operator provisions the PSX’s flexible routing and policy framework to use those variables as criteria for selecting routes and policies.
- When a message is received by the
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, flexible policy adapter profile rules are applied to populate the variables. These variables are sent in the policy request to Policy Execution Server (PES).Spacevars 0 product - The PES matches the received information contained in these variables to provisioned criteria and returns routes and policies in policy response.
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applies policies returned in the policy response and routes the message using routes received in the policy response.Spacevars 0 product
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The
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flexiblePolicyAdapterProfile profile is provisioned and attached to either/both the ingress Trunk Group or Ingress Zone. If flexiblePolicyAdapterProfile is provisioned both at the trunk group and zone, the trunk group’s profile takes precedence. If inputAdapterProfile is configured, it is applied first to manipulate the PDU and then flexiblePolicyAdapterProfile rules are applied on the manipulated PDU.| Info |
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For CLI or EMA configuration details, |
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Refer to Configuring Dynamic Policies and Routing Using Flexible Policy and Routing Feature for best practice article. |
Flexible Policy and Routing Enhancements for PSX
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flexible policy rules on received SIP messages to store information in variables. These variables are then passed to PSX over the Diameter+ interface in a policy request message.
The PSX uses the received information contained in these variables as a part of its enhanced Routing and Policy decision making. Refer to PSX documentation for additional details.
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Overview
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