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Finally, when the user is satisfied with policy set execution and when quality criteria have been reached, the PDP group is set into ACTIVE state and the policy set executes on the target environment. The results of target operation are reported. The PDP group can be reverted to SAFE, TEST, or even PASSIVE mode at any time if problems arise.

2.2.5.3 Policy Upgrade and Rollback

<Upgrade existing policy>

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No.QuestionAnswer
1Are DCAE micro service configuration policies that are onboarded via the DCAE-DS (DCAE Design Studio) created at design time or do they just download policies that are already created in the ONAP PF?
2Conflict Detection and Resolution
  1. High-level Conflict Detection and Resolution tools to help identify possible conflicts
  2. Availability of Conflict Detection and Resolution for Policies during development and testing phases

3

There are a number of ways to handle upgrade/rollback and switch between active and passive modes:

  • The most straightforward way is to have the PAP do all the heavy lifting, downloading the upgraded/rolled back policy sets to the PDP groups as upgrades/rollbacks happen. This is probably the best option for Casablanca
  • An enhancement of the bullet above is to have a "standby" PDP group as a K8s service in parallel with the active one, and we simply switch between active and standby services to do upgrade/rollback
    • A third way is to have two policy sets running in each PDP, an active set and a standby set


    11. Scope not covered in this document