Section 2.4 of the "POSA" book. Details of the book: Title: Pattern-Oriented Software Architecture: A system of Patterns Authors: Buschmann, Meunier, Rohnert, Sommerlad, Stal That is one of the classic "Patterns" book and is worth reading. Hope that helps, Javier Pradeep Kumar wrote: > > Please tell me about the MVC and MVC2 architecture. Where can I find more > information on this. > > thanks > Pradeep > > -----Original Message----- > From: Fabrizio Barbero [mailto:[EMAIL PROTECTED]] > Sent: Tuesday, May 23, 2000 1:21 PM > To: [EMAIL PROTECTED] > Subject: ejb and load balancing > > I'am working with WebSphere 3.0 ae, on a enteprise solution involving > jsp/servlet front-end and EJB components ( the servlet/jsp component calls > ejb > stateless components for business logics ). > Considering that my application should support a great amount of users > connected via browser, I was wondering about providing correct load > balancing > feature at appserver ( ejb container ) level. > > In particular I am asking if Application server ( websphere for instance ) > load balancing routering is provided in the lookup ejb phase, that is when > issuing the following statements > Object o = SingletonContextFN.getInitialContext().lookup("MyMgr"); > myHome = (MyMgrHome)PortableRemoteObject.narrow(o, MyMgrHome.class); > > or when the ejb components is created, that is when: > MyMgr myMgr = myHome.create(); > > or when the ejb components is used ( i don't think so .. ) > myMgr.insertStock( sessionId, "001052050" ); > > I was designing the application to set the reference to myHome interface > just at serlvet startup ( or in any case the reference gets invalid .. ), > using for instance a static var. > But, if load balancing is applied only at lookup phase, I have to bind the > home iface every "create", that is every time I am using the ejb > components, that could be a big overhead. Otherwise my servlet instance will > be > linked always to the same ejb container instance, not providing a correct > load > balancing. > Is it correct ? > Any ideas ? > Thanks > Fab > > =========================================================================== > To unsubscribe, send email to [EMAIL PROTECTED] and include in the body > of the message "signoff EJB-INTEREST". For general help, send email to > [EMAIL PROTECTED] and include in the body of the message "help". > > =========================================================================== > To unsubscribe, send email to [EMAIL PROTECTED] and include in the body > of the message "signoff EJB-INTEREST". For general help, send email to > [EMAIL PROTECTED] and include in the body of the message "help". =========================================================================== To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff EJB-INTEREST". For general help, send email to [EMAIL PROTECTED] and include in the body of the message "help".
