datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">

  <start>

      <ref name="element-nodes"/>

  </start>

  <define name="element-nodes">

    <element name="nodes">

      <zeroOrMore>

        <element name="node">

          <attribute name="id"><text/></attribute>

          <attribute name="uname"><text/></attribute>

          <optional>

            <attribute name="type">

              <choice>

                <value>normal</value>

                <value>member</value>

                <value>ping</value>

                <value>remote</value>

              </choice>

            </attribute>

          </optional>

          <optional>

            <attribute name="description"><text/></attribute>

          </optional>

          <optional>

            <externalRef href="score.rng"/>

          </optional>

          <zeroOrMore>

            <choice>

              <element name="instance_attributes">

                <externalRef href="nvset-1.3.rng"/>

              </element>

              <element name="utilization">

                <externalRef href="nvset-1.3.rng"/>

              </element>

            </choice>

          </zeroOrMore>

        </element>

      </zeroOrMore>

    </element>

  </define>

</grammar>