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Re: Should i Choose JBOSSESB?????
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created by <a href="https://community.jboss.org/people/raghav.vis">Raghav VIswanathan</a> in <i>JBoss ESB Development</i> - <a href="https://community.jboss.org/message/725515#725515">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hello Marq,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>Implementation background:</strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>1. Our Client has close to 20 different applications running on different platforms (Siebel, Java/JEE, DataBase applications etc ), of which there are a few applications that depend on others for data. So we had both synchronous transactions (i.e. one that started from System A then flows through ESB and goes to System B and Back to System A via ESB) and Asynchronous transactions ( where the ESB had the responsibility to do a guaranteed delivery of the data).</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>2. We used to have a third part EAI VITRIA servicing these needs. It had a pretty hefty licensing cost. So we planned to migrate the system or re engineer it with a Open Source EAI. Jboss ESB was our choice though we had considered using Mule. But we went for JBOSS ESB with a view to utilize the good things of JBOSS AS Server.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>Application Background:</strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>1. Heavily Data intensive (Millions of records inserted/read during Batch Job Run, Tens of thousands of online transactions).</p><p>2. Lot of Concurrent users (close to a thousand)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>Versions Used </strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>JBOSS AS 5.1.0 (2 instances) , JBOSS ESB 4.9, Java 1.6X, Oracle 10g , Red Hat Linux Server 5.0. </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>Applications that rely on the EAI(JBOSS ESB) </strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>1. Java- SAP Connectivity</p><p>2. Java - Java Connectivity</p><p>3. Java - Oracle Connectivity</p><p>4. Java - Siebel Connectivity</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>Implementation Strategy:</strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>1. Replace all RMI with Webservices(SOAP/ HTTP).</p><p>2. Replace all Direct DB Connections to Source applications with WebServices(SOAP/HTTP) - Batch Processing.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The gateway to the ESB Service is a Webservice end point. Each of the applications have a different end point (Different .esb files were created to cater to each of the applications' request). </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>Services of JBOSS ESB Used (Strictly uses most of the patterns defined in  <a class="jive-link-external-small" href="http://www.eaipatterns.com/toc.html">http://www.eaipatterns.com/toc.html</a>)</strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>1. JMS Router (Heavily depends on this for all the asynchronous processing)</p><p>2. Redelivery Mechanism. (Again Heavily reliable for guaranteed delivery)</p><p>3. SOAP Client (For routing request to Webservice providers) (Advantage over SOAP Proxy is that the WSDL binding does not happen at deployment time itself , so gives you the flexibility to dynamically configure services)</p><p>4. Content Based router based on XPATH (Has a few performance issues rather a tad slower when you have say 5MB+ object)</p><p>5. JMX (I really loved this part. The way it allows you to use its admin console for you to define operations when we configure an JMX MBean)</p><p>6. Mbean (again too good from JBOSS to have something like this. Works as a Strat up class in weblogic)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>and So many more... </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>Data Flow through the application every day</strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>1. A million Online transactions from Java to SAP.(ESB takes care of Mediation and auditing requests as well).</p><p>2. 8 to 10 million Batch Records within a span of say 4 to 6 hours.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Yet With all this the performance has always been better than that of VITRIA. the Most proud part for me and my team being " <span> :) </span>No support at all has been needed from us after a few weeks(initial hiccups and once settled goes on just like that) after deployment into production. Has been working like charm and has never needed our attention <span> :) </span>" </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Hope this gives a little bit of a background. I would also suggest to get a copy of this fine book <strong><a class="jive-link-external-small" href="http://www.packtpub.com/jboss-esb-beginners-guide/book">http://www.packtpub.com/jboss-esb-beginners-guide/book</a></strong> . I really missed something like this during our development back in 2010. I am currently reviewing this book from Packt publications. Its a great one for a head start to JBOSS ESB.  </p><p><strong><br/></strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> <strong> </strong> </p><p>Happy development. I hope this helps. Do let me know if you have any clarifications.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Regards,</p><p>Raghav Viswanathan</p></div>
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