Add new file _3gpp-ns-nrm-common.yang containing slice common definitions

module _3gpp-ns-nrm-common {

  yang-version 1.1;

  namespace urn:3gpp:sa5:_3gpp-ns-nrm-common;

  prefix ns3cmn;

  import _3gpp-common-subnetwork { prefix subnet3gpp; }

  import _3gpp-common-yang-types { prefix types3gpp; }

  import _3gpp-common-top { prefix top3gpp; }

  organization "3GPP SA5";

  contact 

    "https://www.3gpp.org/DynaReport/TSG-WG--S5--officials.htm?Itemid=464";

  description "Common network slice definitions";

  reference "3GPP TS 28.541

    Management and orchestration; 

    5G Network Resource Model (NRM);

    Information model definitions for network slice NRM (chapter 6)

    ";

  revision 2021-05-16 {

    description "Introduction of Common Data types";

    reference "CR-0485";

  }

  grouping DLThptGrp {

    list servAttrCom {

      description "This list represents the common properties of service 

        requirement related attributes.";

      reference "GSMA NG.116 corresponding to Attribute categories, 

        tagging and exposure";

      config false;

      key idx;

      max-elements 1;

      leaf idx {

        description "Synthetic index for the element.";

        type uint32;

      }

      uses ServAttrComGrp;

    }

    leaf guaThpt {

      description "This attribute describes the guaranteed data rate.";

      type uint64;

      units kbits/s;

    }

    leaf maxThpt {

      description "This attribute describes the maximum data rate.";

      type uint64;

      units kbits/s;

    }

  }

  grouping ServAttrComGrp {

    leaf category {

      description "This attribute specifies the category of a service 

        requirement/attribute of GST";

      type Category-enum;

    }

    leaf-list tagging {

      description "This attribute specifies the tagging of a service 

        requirement/attribute of GST in character category";

      when "../category = 'character'";

      type Tagging-enum;

    }

    leaf exposure {

      description "This attribute specifies exposure mode of a service 

        requirement/attribute of GST";

      type Exposure-enum;

    }

  }

}

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