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Requirements
============
General requirements for a policy architecture are below, with an assessment of the current state of support for these across major OPNFV components (1=poor, 5=excellent).
1. Polled monitoring: Exposure of state via request-response APIs.
2. Notifications: Exposure of state via pub-sub APIs.
3. Realtime/near-realtime notifications: Notifications that occur in actual or near realtime.
4. Delegated policy: CRUD operations on policies that are distributed to specific components for local handling, including one/more of monitoring, violation reporting, and enforcement.
5. Violation reporting: Reporting of conditions that represent a policy violation.
6. Reactive enforcement: Enforcement actions taken in response to policy violation events.
7. Proactive enforcement: Enforcement actions taken in advance of policy violation events, e.g. blocking actions that could result in a policy violation.
8. Compliance auditing: Periodic auditing of state against policies.
.. list-table:: Table 1: Assessment of NFVI VIM Support for General Requirements
:widths: 10 40 40
:header-rows: 1
* - #
- OpenStack
- OpenDaylight
* - 1
-
-
* - 2
-
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* - 3
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* - 4
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* - 5
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* - 6
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* - 7
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* - 8
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