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1. For "network-resource", add string "network-type" attribute.
   1. Has enumerated values e.g. ETH topology or OTN topology.
2. For "pnf", add boolean "is-abstract" attribute.
   1. Has "false" value by default.
   2. Set to "true" value to represent abstract node, i.e. group of PNFs abstracted and presented as a single node by domain controller.
3. For "logical-link", new enumerated values for "link-type" attribute, e.g. intra optical domain, inter optical domain, or inter operator domain.
4. For "p-interface", add integer  "inter-layerdomain-lockplug-id" attribute attributes.
   1. Has discovered values based on IETF specifications, for correlation between related objects in ETH topology and OTN topology.
   2. Add EdgeRule to represent p-interface to p-interface relationship described by "inter-layer-lock-id" attribute.
5. For "p-interface", new enumerated values for "interface-type" attribute, e.g. "Tunnel Termination Point".For "
6. Add new resource "uni".
   1. Has termination point and cvlan attributes.
   2. Add EdgeRule to represent uni to p-interface relationship.
7. Add new resource "label-restriction", add integer "local-link-connectivity" attribute..
   1. Has discovered vlaues for label restriction attributes e.g. priority, range type, label start, label end.
   2. Add EdgeRule to represent te-link-attributes to label-restriction relationship. 
8. Add new resource "te-link-attributes"
   1. Has discovered values for "Tunnel Termination Point" objects based on IETF specifications, for correlation between related "Tunnel Termination Points"te link attributes, e.g. isAbstract, link protection type, access type.
   2. Add EdgeRule to represent logical link to te-link-attibutes relationship.
9. For "pnf", add new attribute "supporting-node" attribute.
   1. Has discovered value based on ETH topology and OTN topology
   2. Add EdgeRule to represent p-interface to p-interface pnf to pnf relationship described by "local-link-connectivity" attribute"supporting-node" attribute.
10. Add new resource "tunnel-termination-point"
    1. Has discovered values for TTP attributes, e.g. TTP-id, admin-status, oper-status, protection-type, inter-layer-lock-id.
    2. Add EdgeRule to represent tunnel-termination-point to p-interface relationship.

Code Proposal

1. tbc

Discussion of Impacts

1. pnf is also involved in other use cases. What is the impact of introducing the "abstract node" concept?
2. link-type values for logical-link need to be modeled. What is the impact of introducing new values?
3. interface-type values for p-interface need to be modeled. What is the impact of introducing new values?

Interested Parties