Ultra Messaging® Configuration Guide
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2.5. Unicast Resolver

To use the unicast resolver, the following configuration file may be used.

#
# Topic resolution can be configured to use unicast traffic with an
# LBM resolver daemon (lbmrd) instead of the default which uses multicast.
# Be sure to insert the IP address of your lbmrd below.
#
context resolver_unicast_address 127.0.0.1

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2.5.1. Unicast Resolution Across Administrative Domains

The following network architecture shows a source or publisher (src) on a private LAN.

Figure 2-1. Unicast Topic Resolution Across Domains

The following lbmrd configuration file allows rcv1 and rcv2 to connect to src for receipt of topic messages.

<?xml version="1.0" encoding="UTF-8" ?>
<lbmrd version="1.0">
   <domains>
      <domain name="NAT">
         <network>192.168.130.0/24</network>
      </domain>
      <domain name="OPEN">
         <network>10.200.2.31</network>
         <network>10.200.2.30</network>
      </domain>
   </domains>
   <transformations>
      <transform source="NAT" destination="OPEN">
         <rule>
            <match address="192.168.130.14" port="*"/>
            <replace address="10.200.1.14" port="*"/>
         </rule>
      </transform>
   </transformations>
</lbmrd>

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