etsi-nfv-ns.yang

            reference
              "GS NFV IFA014: Section 6.2.8.2 MonitoringParameter
               information element";
          }

          leaf performance-metric {
            mandatory true;
            type string;
            description
              "Defines the virtualised resource-related performance
               metric.";
            reference
              "GS NFV IFA014: Section 6.2.8.2 MonitoringParameter
               information element";
          }

          leaf collection-period {
            type string;
            description
              "An attribute that describes the periodicity at
               which to collect the performance information.";
            reference
              "GS NFV IFA014: Section 6.2.8.2 MonitoringParameter
               information element";
          }
        }
      }

      leaf priority {
        type uint32;
        description
          "Specifies the priority for the NS instance.

           The allowed range will be reasonably high. The 'zero'
           value will express the highest priority and the fact
           that the NS instance based on this DF cannot be
           pre-empted during resource allocation.

           Examples for the usage of priority include conflict
           resolution in case of resource shortage.";
        reference
          "GS NFV IFA014: Section 6.3.2.2 NsDf information element";
      }

      leaf service-availability-level {
        type uint32;
        description
          "If present, specifies the service availability level for
           the NS instance created from this DF.

           THE FOLLOWING STATEMENT IS SUBJECT TO CHANGE:

           Either the serviceAvailabilityLevel attribute of NS DF or
           the serviceAvailabilityLevel attribute of the NS
           constituents of the NS may be provided, but not both.
           When a SAL information is assigned to an NS, this
           information does not apply to any constituents of type
           ‘nested NS’.";
        reference
          "GS NFV IFA014: Section 6.3.2.2 NsDf information element";
      }
    }
    uses security-parameters;
  }
}