NS2 Yaml descriptor

nsd:nsd-catalog:

   nsd:nsd:
   -   nsd:constituent-vnfd:
       -   nsd:member-vnf-index: '1'
           nsd:vnfd-id-ref: abae3d33-36ec-4707-95aa-e48907bf2442
       -   nsd:member-vnf-index: '2'
           nsd:vnfd-id-ref: c993c90e-857f-499e-aad3-74f1667216d2
       nsd:description: Reference NS2
       nsd:id: cbd6d406-57ff-40ee-8155-8013a40f6bad
       nsd:name: Ref_NS_2
       nsd:vendor: ETSI
       nsd:vld:
       -   nsd:id: '97465'
           nsd:name: Mgmt
           nsd:vnfd-connection-point-ref:
           -   nsd:member-vnf-index-ref: '1'
               nsd:vnfd-connection-point-ref: mgmt0
               nsd:vnfd-id-ref: abae3d33-36ec-4707-95aa-e48907bf2442
           -   nsd:member-vnf-index-ref: '2'
               nsd:vnfd-connection-point-ref: mgmt
               nsd:vnfd-id-ref: c993c90e-857f-499e-aad3-74f1667216d2
       -   nsd:id: f66e6
           nsd:vnfd-connection-point-ref:
           -   nsd:member-vnf-index-ref: '1'
               nsd:vnfd-connection-point-ref: east
               nsd:vnfd-id-ref: abae3d33-36ec-4707-95aa-e48907bf2442
           -   nsd:member-vnf-index-ref: '2'
               nsd:vnfd-connection-point-ref: east
               nsd:vnfd-id-ref: c993c90e-857f-499e-aad3-74f1667216d2