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From jstrac...@apache.org
Subject svn commit: r374430 [40/45] - /incubator/activemq/site/
Date Thu, 02 Feb 2006 16:33:52 GMT
Added: incubator/activemq/site/Topologies
URL: http://svn.apache.org/viewcvs/incubator/activemq/site/Topologies?rev=374430&view=auto
==============================================================================
--- incubator/activemq/site/Topologies (added)
+++ incubator/activemq/site/Topologies Thu Feb  2 08:31:10 2006
@@ -0,0 +1,281 @@
+
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html>
+  <head>
+    <link rel="stylesheet" href="site.css" type="text/css">
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+    <title>ActiveMQ - Topologies</title>
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+                <a href="">Home</a>  | Topologies
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+          <div id="page_title">
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+                <td>
+            Topologies 
+                </td>
+                <td align="right">
+            
+                </td>
+              </tr>
+            </table>
+          </div>
+
+
+          <div>
+  <div id="Content">
+    <p>ActiveMQ supports a wide range of different deployment topologies as well as <a href="Protocols" title="Protocols">protocols</a> &amp; wire formats. The following diagram shows a federated network of brokers with a few different kinds of topology.</p>
+    <p><span class="nobr"><a href="http://activemq.org/BrokerTopology.pdf" rel="nofollow"><img align="absmiddle" border=0 src="http://activemq.org/BrokerTopology-1.png"></a></span></p>
+    <p>Which topology you choose is up to you. We'll now describe a few of these protocols in a little more detail.</p>
+    <h2><a name="Topologies-InVM"></a>In VM</h2>
+    <p>A useful option when unit testing is to limit JMS communication to within a single JVM. For this use the protocol </p>
+    <p class="paragraph">
+      <div class="code">
+        <div class="codeContent"><pre class="code-java">vm:<span class="code-comment">//localhost</span></pre></div>
+      </div>
+    </p>
+    <p>You can segment the VM protocol to different groups - e.g. if you want to have logically different JMS networks within the same JVM, you can group networks using different URIs. e.g.</p>
+    <p class="paragraph">
+      <div class="code">
+        <div class="codeContent"><pre class="code-java">vm:<span class="code-comment">//localhost/foo</span></pre></div>
+      </div>
+    </p>
+    <p>This will ensure that different segments do not interfere with one another. Though typically we use unique topic and queue destinations so that all traffic can coexist happily on the same logical network.</p>
+    <h2><a name="Topologies-ClientServer"></a>Client-Server</h2>
+    <p>This is probably the most efficient and fastest solution for large numbers of clients requiring a diverse range of communication options from publish / subscribe to queue based communication. Typically the clients will connect with a Message Broker using a protocol, typically TCP or SSL but this could be NIO or other protocols.</p>
+    <p>We can load balance clients across brokers and provide broker failover so that we have a logical cluster of brokers with <a href="HA" title="HA">HA</a>.</p>
+    <p>e.g.</p>
+    <p class="paragraph">
+      <div class="code">
+        <div class="codeContent"><pre class="code-java">tcp:<span class="code-comment">//somehost:port</span></pre></div>
+      </div>
+    </p>
+    <p>Or for SSL</p>
+    <p class="paragraph">
+      <div class="code">
+        <div class="codeContent"><pre class="code-java">ssl:<span class="code-comment">//somehost:port</span></pre></div>
+      </div>
+    </p>
+    <p>You can use <a href="Discovery" title="Discovery">Discovery</a> to find the brokers available that you can connect to which makes it easier to seamlessly connect to a cluster of brokers.</p>
+    <h2><a name="Topologies-EmbeddedBroker"></a>Embedded Broker</h2>
+    <p>This is logically equivalent to Client-Server but some (or all) clients contain a locally embedded broker. So communcation between the client and server (broker) are all within the same JVM and so do not use real networking - though brokers may communicate with other brokers or clients connected to it.</p>
+    <p>This can avoid the extra hop required to go from producer to broker to consumer - which is a great optimisation for RMI / RPC style situations, where you want the performance benefits (reduced latency) of point to point networking but with the scalabilty of a flexible messaging fabric. </p>
+    <p>Embedded Broers can also simplify deployment options as well, its one less process to run.</p>
+    <p>Another use case for embedded brokers is to provide store and forward isolation from each service - so that the remote brokers can fail quite happily without affecting the service with the embedded broker. e.g. the entire network could fail, but a service could continue publishing messages to its embedded broker.</p>
+    <p>You can find out how to <a href="How+do+I+embed+a+Broker+inside+a+Connection" title="How do I embed a Broker inside a Connection">configure an embedded broker here</a></p>
+    <h2><a name="Topologies-PeertoPeer"></a>Peer to Peer</h2>
+    <p>This allows peer based clusters to be created where there is no server - just clients connecting together. <br> There are various ways to implement a peer to peer JMS network. One easy way is just to use a multicast transport for communication; then all nodes on the same multicast address will receive all messages and the local embedded message broker will route messages to the necessary MessageConsumers.</p>
+    <p>We currently have 3 choices for multicast protocols</p>
+    <ul>
+      <li>multicast</li>
+      <li>jgroups: uses the JGroups library to implement reliable multicast</li>
+      <li>jrms: uses Sun's JRMS library to implement reliable multicast</li>
+    </ul>
+    <p>Multicast is great in development though often you might want to disable this feature in production and have well known servers fixed on specific machines. Often socket based communication (using pointcast) is much faster &amp; better for heavy-lifting - particularly on Java - so we tend to recommend to use multicast mostly for discovery and use TCP / SSL for your heavy duty messaging.</p>
+    <p>Often we can use the peer to peer topology as a bootstrap to create a cluster of clients &amp; brokers and then autodeploy servers into the cluster for a true grid style network. </p>
+    <p>So you can get the effect of a peer based network using <a href="Discovery" title="Discovery">Discovery</a> together with either stand alone Brokers or using embedded brokers.</p>
+    <h3><a name="Topologies-JXTA"></a>JXTA</h3>
+    <p>We have a JXTA transport which will use the full JXTA stack for negotiating NAT and across firewalls and so forth for creating a true peer based JMS network.</p>
+    <p class="paragraph">
+      <div class="code">
+        <div class="codeContent"><pre class="code-java">jxta:<span class="code-comment">//hostname:port</span></pre></div>
+      </div>
+    </p>
+    <p>Currently you need to run one server which everyone connects to via JXTA. We've not yet created a pure peer network with JXTA</p>
+  </div>
+</div>
+
+          &nbsp;
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+          <table width="100%"> 
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+          <table>
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+</html>
+
+

Added: incubator/activemq/site/Total+Ordering
URL: http://svn.apache.org/viewcvs/incubator/activemq/site/Total%2BOrdering?rev=374430&view=auto
==============================================================================
--- incubator/activemq/site/Total+Ordering (added)
+++ incubator/activemq/site/Total+Ordering Thu Feb  2 08:31:10 2006
@@ -0,0 +1,240 @@
+
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+
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+                </td>
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+            
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+              </tr>
+            </table>
+          </div>
+
+
+          <div>
+  <div id="Content">
+    <p>Sometimes it can be useful to ensure that every topic consumer sees messages arriving on the topic in exactly the same order.</p>
+    <p>Normally we guarrentee the order of all messages sent by the same producer; however due to multi-threading and asynchronous processing, the messages from different producers could arrive in different consumers in different orders. </p>
+    <p>e.g. if we have producers P and Q sending messages such that at about the same time P sends P1, P2, P3 and Q sends Q1, Q2. Then 2 different consumeres could see messages arrive in this order...</p>
+    <p class="paragraph">
+      <div class="code">
+        <div class="codeContent"><pre class="code-java">consumer1: P1 P2 Q1 P3 Q2
+consumer2: P1 Q1 Q2 P2 P3</pre></div>
+      </div>
+    </p>
+    <p>i.e. each producers messages are in order; but the streams of messages across producers can get intermixed.</p>
+    <p><em>Total ordering</em> of a destination in ActiveMQ ensures that each consumer will see the same total order on that topic. This has a peformance cost, since more synchronization is required, but can be useful - e.g. particularly in times when you want to implement very fast optimistic transactions. With total ordering the messages would arrive like this...</p>
+    <p class="paragraph">
+      <div class="code">
+        <div class="codeContent"><pre class="code-java">consumer1: P1 P2 Q1 P3 Q2
+consumer2: P1 P2 Q1 P3 Q2</pre></div>
+      </div>
+    </p>
+  </div>
+</div>
+
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+
+

Added: incubator/activemq/site/Troubleshooting
URL: http://svn.apache.org/viewcvs/incubator/activemq/site/Troubleshooting?rev=374430&view=auto
==============================================================================
--- incubator/activemq/site/Troubleshooting (added)
+++ incubator/activemq/site/Troubleshooting Thu Feb  2 08:31:10 2006
@@ -0,0 +1,227 @@
+
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html>
+  <head>
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+
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+  </head>
+
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+                  <span id="Content"><span><a href="Download" title="Download">Download</a> | <span class="nobr"><a href="http://activemq.codehaus.org/maven/apidocs/" rel="nofollow">JavaDocs for 4.x</a></span> <span class="nobr"><a href="http://activemq.org/maven/activemq-3/activemq-core/apidocs/" rel="nofollow">3.x</a></span> | <a href="Source" title="Source">Source</a> | <span class="nobr"><a href="http://docs.codehaus.org/pages/listpages.action?key=ACTIVEMQ" rel="nofollow">Wiki</a></span> |<span class="nobr"><a href="irc://irc.codehaus.org/activemq" rel="nofollow">IRC</a></span> | <span class="nobr"><a href="http://servlet.uwyn.com/drone/log/hausbot/activemq" rel="nofollow">IRC Log</a></span> | <a href="Mailing+Lists" title="Mailing Lists">Mailing Lists</a> | <span class="nobr"><a href="http://forums.logicblaze.com/forums/show/1.page" rel="nofollow">Discussion Forum</a></span> | <span class="nobr"><a href="http://jira.logicblaze.com/jira/browse/AMQ" rel="nofollow">Support
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+    <li><a href="ActiveMQ+4.0" title="ActiveMQ 4.0">ActiveMQ 4.0</a></li>
+    <li><a href="Becoming+a+committer" title="Becoming a committer">Becoming a committer</a></li>
+    <li><a href="Integration+Tests" title="Integration Tests">Integration Tests</a></li>
+    <li><a href="Benchmark+Tests" title="Benchmark Tests">Benchmark Tests</a></li>
+    <li><a href="JMeter+Performance+Tests" title="JMeter Performance Tests">JMeter Performance Tests</a></li>
+    <li><a href="Release+Guide" title="Release Guide">Release Guide</a></li>
+    <li><a href="JUnit+Reports" title="JUnit Reports">JUnit Reports</a></li>
+    <li><span class="nobr"><a href="http://activemq.codehaus.org/maven/clover/" rel="nofollow">Clover Report</a></span></li>
+    <li><a href="Source+XRef" title="Source XRef">Source XRef</a></li>
+    <li><a href="Test+Source+XRef" title="Test Source XRef">Test Source XRef</a></li>
+    <li><span class="nobr"><a href="http://activemq.codehaus.org/maven/activemq.xsd.html" rel="nofollow">XSD</a></span></li>
+  </ul>
+  <h3><a name="Navigation-Toolsweuse"></a>Tools we use</h3><span><span class="nobr"><a href="http://www.yourkit.com" rel="nofollow"><img align="absmiddle" border=0 src="/download/attachments/23786/yourkit.jpg"></a></span></span></span>
+
+            <h3 class="heading3">Feeds</h3>
+            <table border="0" cellspacing="4px">
+            <tr>
+              <td align="right">
+                <a href="http://docs.codehaus.org/spaces/rss.action?key=ACTIVEMQ&newPages=false"><img src="http://docs.codehaus.org/images/icons/rss.gif" border="0"></a><br/>
+              </td>
+              <td align="left">
+                <a href="http://docs.codehaus.org/spaces/rss.action?key=ACTIVEMQ&newPages=false">Site</a>
+              </td>
+            </tr>
+            <tr>
+              <td align="right">
+                <a href="http://docs.codehaus.org/spaces/blogrss.action?key=ACTIVEMQ"><img src="http://docs.codehaus.org/images/icons/rss.gif" border="0"></a>
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+        </td>
+        <td id="rightColumn" valign="top">
+
+          <div id="page_title">
+            <table width="100%">
+              <tr>
+                <td>
+            Troubleshooting 
+                </td>
+                <td align="right">
+            
+                </td>
+              </tr>
+            </table>
+          </div>
+
+
+          <div>
+  <div id="Content">
+    <p>Questions asked when troubleshooting problems.</p>
+    <ul>
+      <li><a href="Resource+Adapter+does+not+seem+to+pool+connections" title="Resource Adapter does not seem to pool connections">Resource Adapter does not seem to pool connections</a></li>
+    </ul>
+  </div>
+</div>
+
+          &nbsp;
+        </td>
+      </tr>
+      <tr>
+        <td colspan="3" id="footer">
+          <table width="100%"> 
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+          
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+          <a style="color:#999;" href="http://docs.codehaus.org/pages/editpage.action?spaceKey=ACTIVEMQ&title=Troubleshooting">[ edit ]</a>
+              </td>
+            </tr>
+          <table>
+        </td>
+      </tr>
+    </table>
+  </body>
+
+</html>
+
+

Added: incubator/activemq/site/Use+Cases
URL: http://svn.apache.org/viewcvs/incubator/activemq/site/Use%2BCases?rev=374430&view=auto
==============================================================================
--- incubator/activemq/site/Use+Cases (added)
+++ incubator/activemq/site/Use+Cases Thu Feb  2 08:31:10 2006
@@ -0,0 +1,244 @@
+
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html>
+  <head>
+    <link rel="stylesheet" href="site.css" type="text/css">
+
+
+
+    <title>ActiveMQ - Use Cases</title>
+  </head>
+
+  <body>
+    <table width="100%" id="layout" style="padding:0px;margin0px;border-collapse:collapse;">
+      <tr>
+        <td colspan="3" style="padding:8px;">
+          <table width="100%" id="banner" style="padding:0px;margin:0px">
+            <tr id="header_row">
+              <td align="left" valign="middle" style="padding:0px;margin:0px;">
+                <span id="Content"><span><span class="nobr"><a href="http://incubator.apache.org/activemq" rel="nofollow"><img align="absmiddle" border=0 src="images/logo.gif"></a></span></span></span>
+
+              </td>
+              
+            </tr>
+          </table>
+        </td>
+      </tr>
+      <tr>
+        <td colspan="3" id="breadcrumbs">
+          <table width="100%" id="banner" style="padding:0px;margin:0px">
+            <tr>
+              <td align="left">
+                <a href="">Home</a>  | Use Cases
+              </td>
+              <td align="right">
+                  <span id="Content"><span><a href="Download" title="Download">Download</a> | <span class="nobr"><a href="http://activemq.codehaus.org/maven/apidocs/" rel="nofollow">JavaDocs for 4.x</a></span> <span class="nobr"><a href="http://activemq.org/maven/activemq-3/activemq-core/apidocs/" rel="nofollow">3.x</a></span> | <a href="Source" title="Source">Source</a> | <span class="nobr"><a href="http://docs.codehaus.org/pages/listpages.action?key=ACTIVEMQ" rel="nofollow">Wiki</a></span> |<span class="nobr"><a href="irc://irc.codehaus.org/activemq" rel="nofollow">IRC</a></span> | <span class="nobr"><a href="http://servlet.uwyn.com/drone/log/hausbot/activemq" rel="nofollow">IRC Log</a></span> | <a href="Mailing+Lists" title="Mailing Lists">Mailing Lists</a> | <span class="nobr"><a href="http://forums.logicblaze.com/forums/show/1.page" rel="nofollow">Discussion Forum</a></span> | <span class="nobr"><a href="http://jira.logicblaze.com/jira/browse/AMQ" rel="nofollow">Support
 </a></span></span></span>
+
+              </td>
+            </tr>
+          </table>
+        </td>
+      </tr>
+      <tr>
+        <td id="leftColumn" valign="top" style="padding-top: 0px;">
+          <span id="Content"><h3><a name="Navigation-Overview"></a>Overview</h3>
+  <ul class="alternate" type="square">
+    <li><a href="Home" title="Home">Home</a></li>
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+    <li><a href="Changes+in+4.0" title="Changes in 4.0">New in 4.0</a></li>
+    <li><a href="FAQ" title="FAQ">FAQ</a></li>
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+    <li><span class="nobr"><a href="http://forums.logicblaze.com/forums/show/1.page" rel="nofollow">Discussion Forum</a></span></li>
+    <li><a href="Mailing+Lists" title="Mailing Lists">Mailing Lists</a></li>
+    <li><span class="nobr"><a href="http://gmane.org/find.php?list=activemq" rel="nofollow">News Reader</a></span></li>
+    <li><span class="nobr"><a href="http://docs.codehaus.org/pages/listpages.action?key=ACTIVEMQ" rel="nofollow">Wiki</a></span></li>
+    <li><a href="Projects+Using+ActiveMQ" title="Projects Using ActiveMQ">Projects Using ActiveMQ</a></li>
+    <li><a href="Users" title="Users">Users</a></li>
+    <li><a href="Contributing" title="Contributing">Contributing</a></li>
+    <li><a href="Team" title="Team">Team</a></li>
+  </ul>
+  <h3><a name="Navigation-UsingActiveMQ"></a>Using ActiveMQ</h3>
+  <ul class="alternate" type="square">
+    <li><a href="Getting+Started" title="Getting Started">Getting Started</a></li>
+    <li><a href="Installation" title="Installation">Installation</a></li>
+    <li><a href="Building" title="Building">Building</a></li>
+    <li><a href="Run+Broker" title="Run Broker">Running a Broker</a></li>
+    <li><a href="Examples" title="Examples">Examples</a></li>
+    <li><a href="How+can+I+monitor+ActiveMQ" title="How can I monitor ActiveMQ">Monitoring the Broker</a></li>
+    <li><a href="Xml+Configuration" title="Xml Configuration">Xml Configuration</a></li>
+    <li><a href="Xml+Reference" title="Xml Reference">Xml Reference</a></li>
+    <li><a href="Use+Cases" title="Use Cases">Use Cases</a></li>
+    <li><a href="Topologies" title="Topologies">Topologies</a></li>
+    <li><a href="Configuring+Transports" title="Configuring Transports">Configuring Transports</a></li>
+    <li><a href="How+do+I+embed+a+Broker+inside+a+Connection" title="How do I embed a Broker inside a Connection">Embedded Brokers</a></li>
+    <li><a href="JMeter+Performance+Tests" title="JMeter Performance Tests">Performance Testing</a></li>
+    <li><a href="Web+Samples" title="Web Samples">Web Samples</a></li>
+    <li><a href="Hello+World" title="Hello World">Hello World</a></li>
+  </ul>
+  <h3><a name="Navigation-Features"></a>Features</h3>
+  <ul class="alternate" type="square">
+    <li><a href="JMX" title="JMX">JMX</a></li>
+    <li><a href="Performance" title="Performance">Performance</a></li>
+    <li><a href="Protocols" title="Protocols">Protocols</a></li>
+    <li><a href="Persistence" title="Persistence">Persistence</a></li>
+    <li><a href="JDBC+Support" title="JDBC Support">JDBC Support</a></li>
+    <li><a href="Clustering" title="Clustering">Clustering</a></li>
+    <li><a href="Discovery" title="Discovery">Discovery</a></li>
+    <li><a href="Networks+of+Brokers" title="Networks of Brokers">Networks of Brokers</a></li>
+    <li><a href="Composite+Destinations" title="Composite Destinations">Composite Destinations</a></li>
+    <li><a href="JMS+Streams" title="JMS Streams">JMS Streams</a></li>
+    <li><a href="Advisory+Message" title="Advisory Message">Advisory Message</a></li>
+    <li><a href="Resource+Adapter" title="Resource Adapter">JCA 1.5 Resource Adapter</a></li>
+  </ul>
+  <h3><a name="Navigation-Connectivitiy"></a>Connectivitiy</h3>
+  <ul class="alternate" type="square">
+    <li><a href="Ajax" title="Ajax">Ajax</a></li>
+    <li><a href="Axis+Support" title="Axis Support">Axis Support</a></li>
+    <li><a href="C+Integration" title="C Integration">C Integration</a></li>
+    <li><a href="dot+Net" title="dot Net">.Net Integration</a></li>
+    <li><a href="Geronimo" title="Geronimo">Geronimo</a></li>
+    <li><a href="J2EE" title="J2EE">J2EE</a></li>
+    <li><a href="JBoss+Integration" title="JBoss Integration">JBoss Integration</a></li>
+    <li><a href="JNDI+Support" title="JNDI Support">JNDI Support</a></li>
+    <li><a href="OpenWire" title="OpenWire">OpenWire</a></li>
+    <li><a href="REST" title="REST">REST</a></li>
+    <li><a href="Spring+Support" title="Spring Support">Spring Support</a></li>
+    <li><a href="Stomp" title="Stomp">Stomp</a></li>
+    <li><a href="Tomcat" title="Tomcat">Tomcat</a></li>
+    <li><a href="WSIF" title="WSIF">WSIF</a></li>
+  </ul>
+  <h3><a name="Navigation-Utilities"></a>Utilities</h3>
+  <ul class="alternate" type="square">
+    <li><a href="JCA+Container" title="JCA Container">JCA Container</a></li>
+  </ul>
+  <h3><a name="Navigation-ExternalTools"></a>External Tools</h3>
+  <ul class="alternate" type="square">
+    <li><a href="Hermes+Jms" title="Hermes Jms">Hermes Jms</a></li>
+    <li><a href="Sun+JNDI" title="Sun JNDI">Sun JNDI</a></li>
+    <li><span class="nobr"><a href="http://jakarta.apache.org/jmeter" rel="nofollow">JMeter</a></span></li>
+  </ul>
+  <h3><a name="Navigation-RelatedProjects"></a>Related Projects</h3>
+  <ul class="alternate" type="square">
+    <li><span class="nobr"><a href="http://servicemix.org/" rel="nofollow">ServiceMix</a></span></li>
+    <li><span class="nobr"><a href="http://lingo.codehaus.org/" rel="nofollow">Lingo</a></span></li>
+    <li><span class="nobr"><a href="http://jencks.org/" rel="nofollow">Jencks</a></span></li>
+    <li><span class="nobr"><a href="http://stomp.codehaus.org/" rel="nofollow">Stomp</a></span></li>
+    <li><span class="nobr"><a href="http://activecluster.codehaus.org/" rel="nofollow">ActiveCluster</a></span></li>
+    <li><span class="nobr"><a href="http://activespace.codehaus.org/" rel="nofollow">ActiveSpace</a></span></li>
+    <li><span class="nobr"><a href="http://activesoap.codehaus.org/" rel="nofollow">ActiveSOAP</a></span></li>
+    <li><span class="nobr"><a href="http://www.springframework.org/" rel="nofollow">Spring</a></span></li>
+    <li><span class="nobr"><a href="http://geronimo.apache.org/" rel="nofollow">Geronimo</a></span></li>
+  </ul>
+  <h3><a name="Navigation-Support"></a>Support</h3>
+  <ul class="alternate" type="square">
+    <li><span class="nobr"><a href="http://jira.logicblaze.com/jira/browse/AMQ" rel="nofollow">Issues</a></span></li>
+    <li><span class="nobr"><a href="http://jira.logicblaze.com/jira/browse/AMQ?report=com.atlassian.jira.plugin.system.project:roadmap-panel" rel="nofollow">Roadmap</a></span></li>
+    <li><span class="nobr"><a href="http://jira.logicblaze.com/jira/browse/AMQ?report=com.atlassian.jira.plugin.system.project:changelog-panel" rel="nofollow">Change log</a></span></li>
+  </ul>
+  <h3><a name="Navigation-Developers"></a>Developers</h3>
+  <ul class="alternate" type="square">
+    <li><a href="Source" title="Source">Source</a></li>
+    <li><a href="Code+Overview" title="Code Overview">Code Overview</a></li>
+    <li><a href="Wire+Protocol" title="Wire Protocol">Wire Protocol</a></li>
+    <li><a href="ActiveMQ+4.0" title="ActiveMQ 4.0">ActiveMQ 4.0</a></li>
+    <li><a href="Becoming+a+committer" title="Becoming a committer">Becoming a committer</a></li>
+    <li><a href="Integration+Tests" title="Integration Tests">Integration Tests</a></li>
+    <li><a href="Benchmark+Tests" title="Benchmark Tests">Benchmark Tests</a></li>
+    <li><a href="JMeter+Performance+Tests" title="JMeter Performance Tests">JMeter Performance Tests</a></li>
+    <li><a href="Release+Guide" title="Release Guide">Release Guide</a></li>
+    <li><a href="JUnit+Reports" title="JUnit Reports">JUnit Reports</a></li>
+    <li><span class="nobr"><a href="http://activemq.codehaus.org/maven/clover/" rel="nofollow">Clover Report</a></span></li>
+    <li><a href="Source+XRef" title="Source XRef">Source XRef</a></li>
+    <li><a href="Test+Source+XRef" title="Test Source XRef">Test Source XRef</a></li>
+    <li><span class="nobr"><a href="http://activemq.codehaus.org/maven/activemq.xsd.html" rel="nofollow">XSD</a></span></li>
+  </ul>
+  <h3><a name="Navigation-Toolsweuse"></a>Tools we use</h3><span><span class="nobr"><a href="http://www.yourkit.com" rel="nofollow"><img align="absmiddle" border=0 src="/download/attachments/23786/yourkit.jpg"></a></span></span></span>
+
+            <h3 class="heading3">Feeds</h3>
+            <table border="0" cellspacing="4px">
+            <tr>
+              <td align="right">
+                <a href="http://docs.codehaus.org/spaces/rss.action?key=ACTIVEMQ&newPages=false"><img src="http://docs.codehaus.org/images/icons/rss.gif" border="0"></a><br/>
+              </td>
+              <td align="left">
+                <a href="http://docs.codehaus.org/spaces/rss.action?key=ACTIVEMQ&newPages=false">Site</a>
+              </td>
+            </tr>
+            <tr>
+              <td align="right">
+                <a href="http://docs.codehaus.org/spaces/blogrss.action?key=ACTIVEMQ"><img src="http://docs.codehaus.org/images/icons/rss.gif" border="0"></a>
+              </td>
+              <td align="left">
+                <a href="http://docs.codehaus.org/spaces/blogrss.action?key=ACTIVEMQ">News</a>
+              </td>
+            </tr>
+            </table>
+        </td>
+        <td id="rightColumn" valign="top">
+
+          <div id="page_title">
+            <table width="100%">
+              <tr>
+                <td>
+            Use Cases 
+                </td>
+                <td align="right">
+            
+                </td>
+              </tr>
+            </table>
+          </div>
+
+
+          <div>
+  <div id="Content">
+    <p>Messaging is a diverse and wide ranging subject - there are many different use cases, requirements and deployment options. This is one of the reasons why its so interesting to work on <img align="absmiddle" alt="" border=0 class="emoticon" height=20 src="/images/icons/emoticons/smile.gif" width=20></p>
+    <p>This document tries to highlight some of the main use cases we are trying to tackle with ActiveQM</p>
+    <h2><a name="UseCases-Transactionalmessaging"></a>Transactional messaging</h2>
+    <p>This use case focusses on transactionality, persistence, never ever missing a message and processing each message exactly once irrespective of system failures.</p>
+    <p>Typically the JMS connection will be used in an XA way with other JMS connections or other XA resources like JDBC / EJBs etc.</p>
+    <p>Servers are required for persistence, maybe clusters of servers to increase availability. High availability of servers is an added bonus.</p>
+    <p>Typically if any node is offline then all the messages will be persisted for when the node comes back online.</p>
+    <h2><a name="UseCases-Highperformancemarketdatadistribution"></a>High performance market data distribution</h2>
+    <p>This use case focusses on throughput and efficient routing. The idea is to distribute massive volumes of rapidly changing data around a large network as quickly as possible.</p>
+    <p>Typically throughtput and performance is key - as the amount of data and rate of change is very high and so persistence is rarely used and missing a message is often acceptable in times of failure as old data is often not necessary, the latest prices are what matters.</p>
+    <h2><a name="UseCases-Clusteringandgeneralpurposeasyncmessagingmodel"></a>Clustering and general purpose async messaging model</h2>
+    <p>This use case focusses on latency and speed.</p>
+    <p>When implementing web or EJB based clustering the aim is to maintain a cluster of nodes, typically using multicast for discovery &amp; keep-alive and then using direct socket connections to communicate efficiently between buddies. Please see <span class="nobr"><a href="http://activecluster.codehaus.org/" rel="nofollow">ActiveCluster</a></span> for an example API and implementation of this model of clustering.</p>
+    <p>This is similar to using a JMS provider as an RMI layer in EJB-style or WS style services - again could end up being mostly multicast for discovery &amp; direct sockets for communication to minimise latency. i.e. rather than having separate servers in between clients, the clients end up talking directly with each other to reduce latency.</p>
+    <h2><a name="UseCases-WebStreamingofdata"></a>Web Streaming of data</h2>
+    <p>This use case focusses on <a href="Ajax" title="Ajax">Ajax</a> support in ActiveMQ.</p>
+    <p>Increasingly folks want to stream data real time right into web browsers. For example streaming financial stock prices, to show live IM conversations, live auctions or to dynamically update live content and news.</p>
+    <p>In this use case we integrate ActiveMQ into a web container and provide close web-integration to enable HTTP POSTs to publish messages and slow JavaScript HTTP GET operations to receive messages. </p>
+    <h2><a name="UseCases-RESTfulAPItomessagingusingHTTP"></a>RESTful API to messaging using HTTP</h2>
+    <p>This use case focusses on connectivity and cross-language &amp; cross-technology connectivity.</p>
+    <p>We can provide a HTTP interface to the message broker allowing a simple cross-language and technology agnostic API to publishing messages or receiving them. To send a message, HTTP POST it to the Message Broker, to receive a message, HTTP GET it. Use the URI and request parameters to denote the destination.</p>
+  </div>
+</div>
+
+          &nbsp;
+        </td>
+      </tr>
+      <tr>
+        <td colspan="3" id="footer">
+          <table width="100%"> 
+            <tr>
+              <td align="left" valign="top">
+          
+              </td>
+              <td align="right" valign="top">
+          <a style="color:#999;" href="http://docs.codehaus.org/pages/editpage.action?spaceKey=ACTIVEMQ&title=Use+Cases">[ edit ]</a>
+              </td>
+            </tr>
+          <table>
+        </td>
+      </tr>
+    </table>
+  </body>
+
+</html>
+
+

Added: incubator/activemq/site/Users
URL: http://svn.apache.org/viewcvs/incubator/activemq/site/Users?rev=374430&view=auto
==============================================================================
--- incubator/activemq/site/Users (added)
+++ incubator/activemq/site/Users Thu Feb  2 08:31:10 2006
@@ -0,0 +1,265 @@
+
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html>
+  <head>
+    <link rel="stylesheet" href="site.css" type="text/css">
+
+
+
+    <title>ActiveMQ - Users</title>
+  </head>
+
+  <body>
+    <table width="100%" id="layout" style="padding:0px;margin0px;border-collapse:collapse;">
+      <tr>
+        <td colspan="3" style="padding:8px;">
+          <table width="100%" id="banner" style="padding:0px;margin:0px">
+            <tr id="header_row">
+              <td align="left" valign="middle" style="padding:0px;margin:0px;">
+                <span id="Content"><span><span class="nobr"><a href="http://incubator.apache.org/activemq" rel="nofollow"><img align="absmiddle" border=0 src="images/logo.gif"></a></span></span></span>
+
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+              
+            </tr>
+          </table>
+        </td>
+      </tr>
+      <tr>
+        <td colspan="3" id="breadcrumbs">
+          <table width="100%" id="banner" style="padding:0px;margin:0px">
+            <tr>
+              <td align="left">
+                <a href="">Home</a>  | Users
+              </td>
+              <td align="right">
+                  <span id="Content"><span><a href="Download" title="Download">Download</a> | <span class="nobr"><a href="http://activemq.codehaus.org/maven/apidocs/" rel="nofollow">JavaDocs for 4.x</a></span> <span class="nobr"><a href="http://activemq.org/maven/activemq-3/activemq-core/apidocs/" rel="nofollow">3.x</a></span> | <a href="Source" title="Source">Source</a> | <span class="nobr"><a href="http://docs.codehaus.org/pages/listpages.action?key=ACTIVEMQ" rel="nofollow">Wiki</a></span> |<span class="nobr"><a href="irc://irc.codehaus.org/activemq" rel="nofollow">IRC</a></span> | <span class="nobr"><a href="http://servlet.uwyn.com/drone/log/hausbot/activemq" rel="nofollow">IRC Log</a></span> | <a href="Mailing+Lists" title="Mailing Lists">Mailing Lists</a> | <span class="nobr"><a href="http://forums.logicblaze.com/forums/show/1.page" rel="nofollow">Discussion Forum</a></span> | <span class="nobr"><a href="http://jira.logicblaze.com/jira/browse/AMQ" rel="nofollow">Support
 </a></span></span></span>
+
+              </td>
+            </tr>
+          </table>
+        </td>
+      </tr>
+      <tr>
+        <td id="leftColumn" valign="top" style="padding-top: 0px;">
+          <span id="Content"><h3><a name="Navigation-Overview"></a>Overview</h3>
+  <ul class="alternate" type="square">
+    <li><a href="Home" title="Home">Home</a></li>
+    <li><a href="News" title="News">News</a></li>
+    <li><a href="Changes+in+4.0" title="Changes in 4.0">New in 4.0</a></li>
+    <li><a href="FAQ" title="FAQ">FAQ</a></li>
+    <li><a href="Articles" title="Articles">Articles</a></li>
+    <li><a href="Download" title="Download">Download</a></li>
+  </ul>
+  <h3><a name="Navigation-Community"></a>Community</h3>
+  <ul class="alternate" type="square">
+    <li><span class="nobr"><a href="http://forums.logicblaze.com/forums/show/1.page" rel="nofollow">Discussion Forum</a></span></li>
+    <li><a href="Mailing+Lists" title="Mailing Lists">Mailing Lists</a></li>
+    <li><span class="nobr"><a href="http://gmane.org/find.php?list=activemq" rel="nofollow">News Reader</a></span></li>
+    <li><span class="nobr"><a href="http://docs.codehaus.org/pages/listpages.action?key=ACTIVEMQ" rel="nofollow">Wiki</a></span></li>
+    <li><a href="Projects+Using+ActiveMQ" title="Projects Using ActiveMQ">Projects Using ActiveMQ</a></li>
+    <li><a href="Users" title="Users">Users</a></li>
+    <li><a href="Contributing" title="Contributing">Contributing</a></li>
+    <li><a href="Team" title="Team">Team</a></li>
+  </ul>
+  <h3><a name="Navigation-UsingActiveMQ"></a>Using ActiveMQ</h3>
+  <ul class="alternate" type="square">
+    <li><a href="Getting+Started" title="Getting Started">Getting Started</a></li>
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+    <li><a href="Building" title="Building">Building</a></li>
+    <li><a href="Run+Broker" title="Run Broker">Running a Broker</a></li>
+    <li><a href="Examples" title="Examples">Examples</a></li>
+    <li><a href="How+can+I+monitor+ActiveMQ" title="How can I monitor ActiveMQ">Monitoring the Broker</a></li>
+    <li><a href="Xml+Configuration" title="Xml Configuration">Xml Configuration</a></li>
+    <li><a href="Xml+Reference" title="Xml Reference">Xml Reference</a></li>
+    <li><a href="Use+Cases" title="Use Cases">Use Cases</a></li>
+    <li><a href="Topologies" title="Topologies">Topologies</a></li>
+    <li><a href="Configuring+Transports" title="Configuring Transports">Configuring Transports</a></li>
+    <li><a href="How+do+I+embed+a+Broker+inside+a+Connection" title="How do I embed a Broker inside a Connection">Embedded Brokers</a></li>
+    <li><a href="JMeter+Performance+Tests" title="JMeter Performance Tests">Performance Testing</a></li>
+    <li><a href="Web+Samples" title="Web Samples">Web Samples</a></li>
+    <li><a href="Hello+World" title="Hello World">Hello World</a></li>
+  </ul>
+  <h3><a name="Navigation-Features"></a>Features</h3>
+  <ul class="alternate" type="square">
+    <li><a href="JMX" title="JMX">JMX</a></li>
+    <li><a href="Performance" title="Performance">Performance</a></li>
+    <li><a href="Protocols" title="Protocols">Protocols</a></li>
+    <li><a href="Persistence" title="Persistence">Persistence</a></li>
+    <li><a href="JDBC+Support" title="JDBC Support">JDBC Support</a></li>
+    <li><a href="Clustering" title="Clustering">Clustering</a></li>
+    <li><a href="Discovery" title="Discovery">Discovery</a></li>
+    <li><a href="Networks+of+Brokers" title="Networks of Brokers">Networks of Brokers</a></li>
+    <li><a href="Composite+Destinations" title="Composite Destinations">Composite Destinations</a></li>
+    <li><a href="JMS+Streams" title="JMS Streams">JMS Streams</a></li>
+    <li><a href="Advisory+Message" title="Advisory Message">Advisory Message</a></li>
+    <li><a href="Resource+Adapter" title="Resource Adapter">JCA 1.5 Resource Adapter</a></li>
+  </ul>
+  <h3><a name="Navigation-Connectivitiy"></a>Connectivitiy</h3>
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+    <li><a href="Ajax" title="Ajax">Ajax</a></li>
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+    <li><a href="dot+Net" title="dot Net">.Net Integration</a></li>
+    <li><a href="Geronimo" title="Geronimo">Geronimo</a></li>
+    <li><a href="J2EE" title="J2EE">J2EE</a></li>
+    <li><a href="JBoss+Integration" title="JBoss Integration">JBoss Integration</a></li>
+    <li><a href="JNDI+Support" title="JNDI Support">JNDI Support</a></li>
+    <li><a href="OpenWire" title="OpenWire">OpenWire</a></li>
+    <li><a href="REST" title="REST">REST</a></li>
+    <li><a href="Spring+Support" title="Spring Support">Spring Support</a></li>
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+    <li><a href="Tomcat" title="Tomcat">Tomcat</a></li>
+    <li><a href="WSIF" title="WSIF">WSIF</a></li>
+  </ul>
+  <h3><a name="Navigation-Utilities"></a>Utilities</h3>
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+    <li><span class="nobr"><a href="http://jakarta.apache.org/jmeter" rel="nofollow">JMeter</a></span></li>
+  </ul>
+  <h3><a name="Navigation-RelatedProjects"></a>Related Projects</h3>
+  <ul class="alternate" type="square">
+    <li><span class="nobr"><a href="http://servicemix.org/" rel="nofollow">ServiceMix</a></span></li>
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+  </ul>
+  <h3><a name="Navigation-Support"></a>Support</h3>
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+    <li><span class="nobr"><a href="http://jira.logicblaze.com/jira/browse/AMQ" rel="nofollow">Issues</a></span></li>
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+    <li><span class="nobr"><a href="http://jira.logicblaze.com/jira/browse/AMQ?report=com.atlassian.jira.plugin.system.project:changelog-panel" rel="nofollow">Change log</a></span></li>
+  </ul>
+  <h3><a name="Navigation-Developers"></a>Developers</h3>
+  <ul class="alternate" type="square">
+    <li><a href="Source" title="Source">Source</a></li>
+    <li><a href="Code+Overview" title="Code Overview">Code Overview</a></li>
+    <li><a href="Wire+Protocol" title="Wire Protocol">Wire Protocol</a></li>
+    <li><a href="ActiveMQ+4.0" title="ActiveMQ 4.0">ActiveMQ 4.0</a></li>
+    <li><a href="Becoming+a+committer" title="Becoming a committer">Becoming a committer</a></li>
+    <li><a href="Integration+Tests" title="Integration Tests">Integration Tests</a></li>
+    <li><a href="Benchmark+Tests" title="Benchmark Tests">Benchmark Tests</a></li>
+    <li><a href="JMeter+Performance+Tests" title="JMeter Performance Tests">JMeter Performance Tests</a></li>
+    <li><a href="Release+Guide" title="Release Guide">Release Guide</a></li>
+    <li><a href="JUnit+Reports" title="JUnit Reports">JUnit Reports</a></li>
+    <li><span class="nobr"><a href="http://activemq.codehaus.org/maven/clover/" rel="nofollow">Clover Report</a></span></li>
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+    <li><a href="Test+Source+XRef" title="Test Source XRef">Test Source XRef</a></li>
+    <li><span class="nobr"><a href="http://activemq.codehaus.org/maven/activemq.xsd.html" rel="nofollow">XSD</a></span></li>
+  </ul>
+  <h3><a name="Navigation-Toolsweuse"></a>Tools we use</h3><span><span class="nobr"><a href="http://www.yourkit.com" rel="nofollow"><img align="absmiddle" border=0 src="/download/attachments/23786/yourkit.jpg"></a></span></span></span>
+
+            <h3 class="heading3">Feeds</h3>
+            <table border="0" cellspacing="4px">
+            <tr>
+              <td align="right">
+                <a href="http://docs.codehaus.org/spaces/rss.action?key=ACTIVEMQ&newPages=false"><img src="http://docs.codehaus.org/images/icons/rss.gif" border="0"></a><br/>
+              </td>
+              <td align="left">
+                <a href="http://docs.codehaus.org/spaces/rss.action?key=ACTIVEMQ&newPages=false">Site</a>
+              </td>
+            </tr>
+            <tr>
+              <td align="right">
+                <a href="http://docs.codehaus.org/spaces/blogrss.action?key=ACTIVEMQ"><img src="http://docs.codehaus.org/images/icons/rss.gif" border="0"></a>
+              </td>
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+                <a href="http://docs.codehaus.org/spaces/blogrss.action?key=ACTIVEMQ">News</a>
+              </td>
+            </tr>
+            </table>
+        </td>
+        <td id="rightColumn" valign="top">
+
+          <div id="page_title">
+            <table width="100%">
+              <tr>
+                <td>
+            Users 
+                </td>
+                <td align="right">
+            
+                </td>
+              </tr>
+            </table>
+          </div>
+
+
+          <div>
+  <div id="Content">
+    <p>This page contains a list of some of our users and gives a brief overview of how they are using ActiveMQ. The purpose of this page is to help the ActiveMQ community get to know each other &amp; find out what we're all doing with ActiveMQ and for the developers of ActiveMQ to get a better feel for what kinds of things people are doing with ActiveMQ.</p>
+    <p class="paragraph">
+      <table class="confluenceTable">
+        <tbody>
+          <tr>
+            <th class="confluenceTh">Name</th>
+            <th class="confluenceTh">Company name or description</th>
+            <th class="confluenceTh">Use of ActiveMQ</th>
+          </tr>
+          <tr>
+            <td class="confluenceTd">Peter Brooke</td>
+            <td class="confluenceTd">Prepulse</td>
+            <td class="confluenceTd">We are using ActiveMQ to provider load balancing of requests across a cluster of servers</td>
+          </tr>
+          <tr>
+            <td class="confluenceTd">Gareth Davies</td>
+            <td class="confluenceTd">Daugherty Systems</td>
+            <td class="confluenceTd">At current client (global agribusiness firm), using ActiveMQ for asynchronous, reliable messaging within in-house SOA application</td>
+          </tr>
+          <tr>
+            <td class="confluenceTd">Raffe G.</td>
+            <td class="confluenceTd">Document archiving/flow systems</td>
+            <td class="confluenceTd">We try to use ActiveMQ as connectivity option between our FrontEnd (FE) and BackEnd (BE). FE receives requests which processing is normally heavy time-consuming. Thus FE creates a message which is sent to BE for processing and returns a ticket (correlationID) to the user. This will later use the ticket to ask for the response of the processing (again sending a message from FE to BE which will respond synchronously in this case). So we want to have reliable messaging between our FE and BE.<br> So far this is not entirely working for us.</td>
+          </tr>
+          <tr>
+            <td class="confluenceTd">Tom L.</td>
+            <td class="confluenceTd">Promotional Marketing</td>
+            <td class="confluenceTd">Here is our flow. The backend systems (written in a propriatery language) send requests to a tomcat server via http. The message servlet from the ActiveMQ's web API connects to an embeded broker instance using the VM connector and places the request on the queue. We don't have a need for clustering yet, but we are planning on using either tomcat's clustering or ActiveCluster if it becomes necessary (since the brokers are embeded anyways). </td>
+          </tr>
+          <tr>
+            <td class="confluenceTd">Aleksi Kallio</td>
+            <td class="confluenceTd">CSC, the Finnish IT center for science</td>
+            <td class="confluenceTd">We are building a bioinformatics system for DNA-microarray data storage and analysis. System contains rich graphical clients, a large database and heavy server machinery for processing analysis jobs. We are trying to use ActiveMQ as a JMS implementation to shuttle data between the servers and clients in an event based manner.</td>
+          </tr>
+          <tr>
+            <td class="confluenceTd"><span class="nobr"><a href="mailto:frik@gatherworks.com" rel="nofollow">Frik Strecker</a></span></td>
+            <td class="confluenceTd"><span class="nobr"><a href="http://www.gatherplace.net" rel="nofollow">GatherPlace</a></span> provides cost-effective remote application sharing </td>
+            <td class="confluenceTd">ActiveMQ is used to collect real-time billing and usage information from servers distributed throughout the world. Free accounts are available to active ActiveMQ developers for ActiveMQ purposes. </td>
+          </tr>
+        </tbody>
+      </table>
+    </p>
+  </div>
+</div>
+
+          &nbsp;
+        </td>
+      </tr>
+      <tr>
+        <td colspan="3" id="footer">
+          <table width="100%"> 
+            <tr>
+              <td align="left" valign="top">
+          
+              </td>
+              <td align="right" valign="top">
+          <a style="color:#999;" href="http://docs.codehaus.org/pages/editpage.action?spaceKey=ACTIVEMQ&title=Users">[ edit ]</a>
+              </td>
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+          <table>
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+</html>
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