udp_relay.xml

<!--
  Default stack using IP multicasting. It is similar to the "udp"
  stack in stacks.xml, but doesn't use streaming state transfer and flushing
  author: Bela Ban
-->

<config xmlns="urn:org:jgroups"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="urn:org:jgroups http://www.jgroups.org/schema/jgroups.xsd">
    <UDP
         mcast_port="${jgroups.udp.mcast_port:45588}"
         ip_ttl="4"
         tos="8"
         ucast_recv_buf_size="5M"
         ucast_send_buf_size="5M"
         mcast_recv_buf_size="5M"
         mcast_send_buf_size="5M"
         max_bundle_size="64K"
         enable_diagnostics="true"
         thread_naming_pattern="cl"

         thread_pool.min_threads="0"
         thread_pool.max_threads="20"
         thread_pool.keep_alive_time="30000"/>

    <PING />
    <MERGE3 max_interval="30000"
            min_interval="10000"/>
    <FD_SOCK/>
    <FD_ALL/>
    <VERIFY_SUSPECT timeout="1500"  />
    <BARRIER />
    <pbcast.NAKACK2 xmit_interval="500"
                    xmit_table_num_rows="100"
                    xmit_table_msgs_per_row="2000"
                    xmit_table_max_compaction_time="30000"
                    use_mcast_xmit="false"
                    discard_delivered_msgs="true"/>
    <UNICAST3 xmit_interval="500"
              xmit_table_num_rows="100"
              xmit_table_msgs_per_row="2000"
              xmit_table_max_compaction_time="60000"
              conn_expiry_timeout="0"/>
    <pbcast.STABLE desired_avg_gossip="50000"
                   max_bytes="4M"/>
    <pbcast.GMS print_local_addr="true" join_timeout="2000"/>
    <UFC max_credits="2M"
         min_threshold="0.4"/>
    <MFC max_credits="2M"
         min_threshold="0.4"/>
    <FRAG2 frag_size="60K"  />
    <RSVP resend_interval="2000" timeout="10000"/>
    <pbcast.STATE_TRANSFER />
    <RELAY bridge_props="tcp.xml" site="relay_test"/>
</config>