A Proto Policy is designed by a skilled policy developer in consultation with domain experts. The Proto Policy is a general implementation of a policy template for a feature. For example, a proto policy could be written to manage Service Level Agreements for VPNs.
A Domain Policy is designed by a domain expert who uses the Proto Policy to create a domain policy for their specific domain.
1. For example, the VPN Proto Policy template is used to create VPN policies for a bank network, a car dealership network, or a university with many campuses.
2. In ONAP, specific ONAP Proto Policies are templated to create specific policies that drive the ONAP Platform and Components.
A Customer Facing Policy allows specific policy instances to be configured with parameters. For example, the SLA values in the car dealership VPN policy instance in a particular dealership are configured with values appropriate for the expected level of activity in that dealership.

2. Architecture

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Design Time Capabilities

Design Time policies should be easy to specify and capture from either the SDC GUI or the Policy GUI
- High-level Conflict Detection and Resolution tools will be utilized to help identify possible conflicts
Provide a model-driven Design Time framework for ingestion of models for policies and any optional support code
Policy Development Environment for designing models and their support code
- Conflict Detection and Resolution for Policies should be available during development and testing phases

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