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JIRA: 

To satisfy the requirement to generate notifications when policies are fully deployed/undeployed, it is necessary to track the policy deployment/undeployment status for each PDP.  With this in mind, two options present themselves:

1. Create a new JPA data structure to manage the information; or
2. Augment the existing PdpGroup data structure to maintain the additional information.  This could be done by changing the list of policies to a list of policy-info structures, where each object contained:
   • policy name and version
   • flag indicating whether the policy is being deployed or undeployed
   • list of PDPs for which PAP is still awaiting the outcome of the PDP-UPDATE message