http://www.javaworld.com/javaworld/jw-12-1999/f_jw-12-ssj-jspmvc-2.html

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
>
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