<jgroups>
   <!-- Uses the default JGroups UDP stack for intra-cluster traffic. -->
   <stack name="xsite" extends="udp">
      <!-- Adds RELAY2 to the stack for inter-cluster transport. -->
      <!-- Names the local site. Data in caches from the local site is replicated to backup locations. -->
      <!-- Configures a maximum of 1000 site masters for the local cluster. -->
      <relay.RELAY2 xmlns="urn:org:jgroups"
                    site="LON"
                    max_site_masters="1000"/>
      <!-- Specifies all site names and uses the default JGroups TCP stack for inter-cluster transport. -->
      <remote-sites default-stack="tcp">
         <!-- Names all sites that participate in cross-site replication. -->
         <remote-site name="LON"/>
         <remote-site name="NYC"/>
      </remote-sites>
   </stack>
</jgroups>
