You can do load balancing as follows:
1) Store the real server name in the form of cookie along with the Session info.
2) Check every request for the cookie info.
3) If the Cookie contains a different server name use HTTP redirect to send the
request to the other server.
Gangadhar
Gokul Singh wrote:
> ----- Original Message -----
> From: "Thomas Brusa" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
>
> > we're installing tomcat on two webservers and want to establish
> > loadbalancing.
> > since we couldn't find any documentation I'm asking you.
>
> I am not sure how tomcat supports distributed environments, but as it is the
> referance implementation, I believe it should do what the specs say about
> it.
>
> > how is it possible to share servletcontext across servers?
>
> <from servlet spec 2.3PFD>
> 3.3.1 Context Attributes in a Distributed Container
> Context attributes exist locally to the VM in which they were created and
> placed. This
> prevents the ServletContext from being used as a distributed shared memory
> store. If
> information needs to be shared between servlets running in a distributed
> environment, that
> information should be placed into a session (See Chapter 8, "Sessions"), a
> database or set in
> an Enterprise JavaBean.
> </from servlet spec 2.3PFD>
>
> > what about sessions?
>
> Please refer *section 7.7.2* of the servlet specs. It details all the
> details of sessions in a distributed environment.
>
> How much of the above is supported by Tomcat, I am not sure. I think you can
> get more details about this on the tomcat mailing lists at
> http://jakarta.apache.org/site/mail2.html
>
> Regds,
> Gokul
>
> >
> > thanx thomas
> >
>
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