	<protocol-stack name="Default protocol stack" version="1.0.0">
		<description>JavaGroups Default Protocol Stack</description>
		<protocol>
			<protocol-name>UDP Protocol</protocol-name>
			<description>Sends and receives messages on UDP sockets</description>
			<class-name>org.javagroups.protocols.UDP</class-name>
			<protocol-params>
				<protocol-param name="mcast_addr"          value="228.8.8.8"/>
				<!-- protocol-param name="bind_addr"  	   value="192.168.10.10"/ -->
				<protocol-param name="mcast_port"          value="45566"/>
				<protocol-param name="ucast_send_buf_size" value="32000"/>
				<protocol-param name="ucast_recv_buf_size" value="64000"/>
				<protocol-param name="mcast_send_buf_size" value="32000"/>
				<protocol-param name="mcast_recv_buf_size" value="64000"/>
				<protocol-param name="use_packet_handler"  value="false"/>
				<protocol-param name="loopback"            value="true"/>
				<protocol-param name="ip_ttl"              value="32"/>
			</protocol-params>
		</protocol>
		<!--
		<protocol>
			<protocol-name>Auto Configuration</protocol-name>
			<description>Senses the network properties and
			allows other protocols to configure themselves
			automatically</description>
			<class-name>org.javagroups.protocols.AUTOCONF</class-name>
			<protocol-params>
			</protocol-params>
		</protocol>
		-->
		<protocol>
			<protocol-name>Ping Protocol</protocol-name>
			<description>Find the initial membership</description>
			<class-name>org.javagroups.protocols.PING</class-name>
			<protocol-params>
				<protocol-param name="timeout" value="2000"/>
				<protocol-param name="num_initial_members" value="3"/>
			</protocol-params>
		</protocol>
		<protocol>
			<protocol-name>Merge Protocol</protocol-name>
			<description>Periodically tries to detect subgroups and emits MERGE events in
			that case</description>
			<class-name>org.javagroups.protocols.MERGE2</class-name>
			<protocol-params>
				<protocol-param name="min_interval" value="5000"/>
				<protocol-param name="max_interval" value="10000"/>
			</protocol-params>
		</protocol>
		<protocol>
			<protocol-name>Failure Detection Socket</protocol-name>
			<description>Failure detection based on sockets</description>
			<class-name>org.javagroups.protocols.FD</class-name>
			<protocol-params>
				<protocol-param name="timeout"      value="2000"/>
				<protocol-param name="max_tries"    value="3"/>
				<protocol-param name="shun"         value="true"/>
			</protocol-params>
		</protocol>
		<protocol>
			<protocol-name>Verify Suspect</protocol-name>
			<description>Double-checks that a suspected member is really dead</description>
			<class-name>org.javagroups.protocols.VERIFY_SUSPECT</class-name>
			<protocol-params>
				<protocol-param name="timeout" value="1500"/>
			</protocol-params>
		</protocol>
		<protocol>
			<protocol-name>Reliable mcast message transission</protocol-name>
			<description>Uses a negative acknowledgement protocol for retransmissions</description>
			<class-name>org.javagroups.protocols.pbcast.NAKACK</class-name>
			<protocol-params>
				<protocol-param name="gc_lag" value="50"/>
				<protocol-param name="retransmit_timeout" value="600,1200,2400,4800"/>
				<protocol-param name="max_xmit_size" value="8192"/>
                <protocol-param name="use_mcast_xmit" value="false"/>
			</protocol-params>
		</protocol>
		<protocol>
			<protocol-name>Unicast Protocol</protocol-name>
			<description>Provides lossless transmission of unicast message (similar to TCP)</description>
			<class-name>org.javagroups.protocols.UNICAST</class-name>
			<protocol-params>
				<protocol-param name="timeout" value="1200,2400,3600"/>
			</protocol-params>
		</protocol>
        <protocol>
            <protocol-name>Stable protocol</protocol-name>
            <description>Distributed message garbage collection protocol. Deletes messages
                seen by all group members</description>
            <class-name>org.javagroups.protocols.pbcast.STABLE</class-name>
            <protocol-params>
                <!-- Periodically sends STABLE messages around. 0 disables this -->
                <protocol-param name="desired_avg_gossip" value="20000"/>

                <!--
                Max number of bytes received from anyone until a STABLE message is sent. Use either this or
                desired_avg_gossip, but not both ! 0 disables it.
                -->
                <protocol-param name="max_bytes" value="0"/>
                <!--
                Range (number of milliseconds) that we wait until sending a STABILITY message. This prevents
                STABILITY multicast storms. If max_bytes is used, this should be set to a low value (> 0 though !).
                -->
                <protocol-param name="stability_delay" value="1000"/>
            </protocol-params>
        </protocol>
		<protocol>
			<protocol-name>Fragmentation Protocol</protocol-name>
			<description>Divides up larger message into smaller pieces</description>
			<class-name>org.javagroups.protocols.FRAG</class-name>
			<protocol-params>
				<protocol-param name="frag_size" value="8192"/>
				<protocol-param name="down_thread" value="false"/>
				<protocol-param name="up_thread" value="false"/>
			</protocol-params>
		</protocol>
		<protocol>
			<protocol-name>PB Cast Group Membership Protocol</protocol-name>
			<description>Maintains the member ship view</description>
			<class-name>org.javagroups.protocols.pbcast.GMS</class-name>
			<protocol-params>
				<protocol-param name="join_timeout" value="3000"/>
				<protocol-param name="join_retry_timeout" value="2000"/>
				<protocol-param name="shun" value="true"/>
				<protocol-param name="print_local_addr" value="true"/>
			</protocol-params>
		</protocol>
	</protocol-stack>
	

