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There is a special resource class not shown in the class diagram above, that is configurationspecification. The classes of Wan Descriptor shown above are abstract, we could use them to describe any wan scenario with specify configuration specification which has the specify parameters for the scenario. For example, we could use overlay vpn configuration specification an FC to describe overlay vpn. All specify configuration specification classes are derived from configuration specification base class which is shown as below diagram: 

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The specify configuration specification class will be consumed by specify Direct Graph in SDN-C. As we could import configuration specification class in SDC and import DG in SDN-C dynamically, new wan scenario could be taught to ONAP after version release.

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Volte Wan template example: VoLTE_WAN_template.yaml

Class Dtail

• Wan Design Time Information Model
• Wan Run Time Information Model
• Wan Design Time Data Model

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