module openconfig-network-instance-types {

    yang-version 1;

    namespace
      "http://openconfig.net/yang/network-instance-types";

    prefix oc-ni-types;

    import openconfig-extensions {
      prefix oc-ext;
    }

    organization "OpenConfig working group";

    contact
      "OpenConfig working group
www.openconfig.net";

    description
      "Types associated with a network instance";

    revision "2021-07-14" {
      description
        "Use auto-generated regex for route-distinguisher pattern statements";
      reference
        "0.9.3";

    }

    revision "2021-06-16" {
      description
        "Remove trailing whitespace";
      reference
        "0.9.2";

    }

    revision "2021-05-21" {
      description "Add support for evpn";
      reference
        "0.9.1";

    }

    revision "2021-03-03" {
      description
        "Fix route-distinguisher's pattern statement, and remove the regexp-posix
extension, which makes pattern statements conform to the YANG standard.";
      reference
        "0.9.0";

    }

    revision "2020-06-30" {
      description
        "Add OpenConfig POSIX pattern extensions.";
      reference
        "0.8.3";

    }

    revision "2018-11-21" {
      description
        "Add OpenConfig module metadata extensions.";
      reference
        "0.8.2";

    }

    revision "2017-08-24" {
      description "Minor formatting fixes";
      reference
        "0.8.1";

    }

    revision "2017-02-28" {
      description
        "Add OSPFv2 to network instance";
      reference
        "0.8.0";

    }

    revision "2017-01-26" {
      description
        "Add policy forwarding to network instance";
      reference
        "0.7.0";

    }

    revision "2017-01-13" {
      description
        "Add AFT to the network instance";
      reference
        "0.6.0";

    }

    revision "2016-12-15" {
      description
        "Add segment routing to network instance";
      reference
        "0.5.0";

    }

    revision "2016-11-10" {
      description
        "Update model to include IS-IS.";
      reference
        "0.4.1";

    }

    revision "2016-10-12" {
      description "Update table connections";
      reference
        "0.4.0";

    }

    revision "2016-09-28" {
      description
        "Change L2 instance to submodule; add MAC table";
      reference
        "0.3.0";

    }

    revision "2016-08-11" {
      description
        "Resolve repeated container names in routing protocols";
      reference
        "0.2.3";

    }

    revision "2016-07-08" {
      description
        "Updated with refactored routing protocol models";
      reference
        "0.2.1";

    }

    revision "2016-03-29" {
      description "Initial revision";
      reference
        "0.2.0";

    }

    revision "2015-10-18" {
      description "Initial revision";
      reference
        "0.1.0";

    }

    oc-ext:openconfig-version "0.9.3";
    oc-ext:catalog-organization "openconfig";
    oc-ext:origin "openconfig";

    identity NETWORK_INSTANCE_TYPE {
      description
        "A base identity which can be extended to indicate different
types of network instance supported by a device.";
    }

    identity DEFAULT_INSTANCE {
      base NETWORK_INSTANCE_TYPE;
      description
        "A special routing instance which acts as the 'default' or
'global' routing instance for a network device.";
    }

    identity L3VRF {
      base NETWORK_INSTANCE_TYPE;
      description
        "A private Layer 3 only routing instance which is formed of
one or more RIBs";
    }

    identity L2VSI {
      base NETWORK_INSTANCE_TYPE;
      description
        "A private Layer 2 only switch instance which is formed of
one or more L2 forwarding tables";
    }

    identity L2P2P {
      base NETWORK_INSTANCE_TYPE;
      description
        "A private Layer 2 only forwarding instance which acts as
a point to point connection between two endpoints";
    }

    identity L2L3 {
      base NETWORK_INSTANCE_TYPE;
      description
        "A private Layer 2 and Layer 3 forwarding instance";
    }

    identity ENDPOINT_TYPE {
      description
        "Specification of the type of endpoint that is being associated
with a network instance";
    }

    identity LOCAL {
      base ENDPOINT_TYPE;
      description
        "A local interface which is being associated with the endpoint.
In addition, the LOCAL endpoint can be used with the VXLAN
attributes to define a VXLAN tunnel end-point interface.";
    }

    identity REMOTE {
      base ENDPOINT_TYPE;
      description
        "A remote interface which is being associated with the
endpoint";
    }

    identity LABEL_ALLOCATION_MODE {
      description
        "Base identity to be used to express types of label allocation
strategies to be used within a network instance";
    }

    identity PER_PREFIX {
      base LABEL_ALLOCATION_MODE;
      description
        "A label is to be allocated per prefix entry in the RIB for the
network instance";
    }

    identity PER_NEXTHOP {
      base LABEL_ALLOCATION_MODE;
      description
        "A label is to be allocated per nexthop entry in the RIB for
the network instance";
    }

    identity INSTANCE_LABEL {
      base LABEL_ALLOCATION_MODE;
      description
        "A single label is to be used for the instance";
    }

    identity ENCAPSULATION {
      description
        "On the wire encapsulations that can be used when
differentiating network instances";
    }

    identity MPLS {
      base ENCAPSULATION;
      description
        "Use MPLS labels to distinguish network instances on the wire";
    }

    identity VXLAN {
      base ENCAPSULATION;
      description
        "Use VXLAN (RFC7348) VNIs to distinguish network instances on
the wire";
    }

    identity SIGNALLING_PROTOCOL {
      description
        "The signalling protocol that should be used to diseminate
entries within a forwarding instance";
    }

    identity LDP {
      base SIGNALLING_PROTOCOL;
      description
        "Use LDP-based setup for signalling. Where the instance is
a point-to-point service this refers to RFC4447 ('Martini')
setup. Where the service is an L2VSI, or L2L3 instance it
refers to RFC4762 LDP-signalled VPLS instances";
    }

    identity BGP_VPLS {
      base SIGNALLING_PROTOCOL;
      description
        "Use BGP-based signalling and autodiscovery for VPLS instances
as per RFC4761";
    }

    identity BGP_EVPN {
      base SIGNALLING_PROTOCOL;
      description
        "Use BGP-based Ethernet VPN (RFC7432) based signalling for
the network instance";
    }

    typedef route-distinguisher {
      type union {
        type string {
          oc-ext:posix-pattern "^(([0-9]|[1-9][0-9]{1,3}|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5]):([0-9]|[1-9][0-9]{1,8}|[1-3][0-9]{9}|4[01][0-9]{8}|42[0-8][0-9]{7}|429[0-3][0-9]{6}|4294[0-8][0-9]{5}|42949[0-5][0-9]{4}|429496[0-6][0-9]{3}|4294967[01][0-9]{2}|42949672[0-8][0-9]|429496729[0-5]))$";
          pattern
            '([0-9]|[1-9][0-9]{1,3}|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5]):([0-9]|[1-9][0-9]{1,8}|[1-3][0-9]{9}|4[01][0-9]{8}|42[0-8][0-9]{7}|429[0-3][0-9]{6}|4294[0-8][0-9]{5}|42949[0-5][0-9]{4}|429496[0-6][0-9]{3}|4294967[01][0-9]{2}|42949672[0-8][0-9]|429496729[0-5])';
        }
        type string {
          oc-ext:posix-pattern "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])){3}:([0-9]|[1-9][0-9]{1,3}|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5]))$";
          pattern
            '([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])){3}:([0-9]|[1-9][0-9]{1,3}|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5])';
        }
        type string {
          oc-ext:posix-pattern "^(([0-9]|[1-9][0-9]{1,8}|[1-3][0-9]{9}|4[01][0-9]{8}|42[0-8][0-9]{7}|429[0-3][0-9]{6}|4294[0-8][0-9]{5}|42949[0-5][0-9]{4}|429496[0-6][0-9]{3}|4294967[01][0-9]{2}|42949672[0-8][0-9]|429496729[0-5]):([0-9]|[1-9][0-9]{1,3}|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5]))$";
          pattern
            '([0-9]|[1-9][0-9]{1,8}|[1-3][0-9]{9}|4[01][0-9]{8}|42[0-8][0-9]{7}|429[0-3][0-9]{6}|4294[0-8][0-9]{5}|42949[0-5][0-9]{4}|429496[0-6][0-9]{3}|4294967[01][0-9]{2}|42949672[0-8][0-9]|429496729[0-5]):([0-9]|[1-9][0-9]{1,3}|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5])';
        }
      }
      description
        "A route distinguisher value";
      reference
        "RFC4364";

    }
  }  // module openconfig-network-instance-types