Allegedly Apache JServ. is capable of handling distributed sessions.
Here is an excerpt of an earlier discussion:
Hope it helps.
Alice
---------
Currently, the load balancing works like this:
* Requests not connected to a session are randomly
distributed across the available servlet engines.
* Requests that are connected to a session are
always returned to the same servlet engine, so that
HttpSession stashed information does not have to
be moved around.
For more information, see:
http://java.apache.org
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> Date: Fri, 28 May 1999 07:53:37 +1200
> From: Richard Vowles <[EMAIL PROTECTED]>
> Subject: Re: Distributed sessions
> To: [EMAIL PROTECTED]
>
> "Patterson, Mark" wrote:
>
> > I've got a question about session state. I'm guessing that the session
> > management in JSP is relative to a single web server, and that all
> > subsequent hits for a session need to be routed through the same web
> > server that created the session.
> >
> > Is there any way to override the session state persistance mechanism to
> > implement a distributed session capability, so that a web server farm
> > could handle all sessions without session routing?
>
> The JSP + Servlet API is just a set of interface, so potentially any vendor
can
> implement them in any manner they feel like. AFAIK all of them implement
> session information on a single server basis at the moment (anyone know about
> WebSphere or any of the bigger ones?) - i.e. in memory.
>
> Some of them are open source, others you can get the source when you license,
> so you could probably modify it if you wished - but then you aren't in that
> business I suspect and you'd want a packaged solution...
>
> Richard
>
> --
> Richard Vowles, Senior Systems Engineer,
> Brocker Professional Services, New Zealand Inprise Distributor
> MAIL: [EMAIL PROTECTED], [EMAIL PROTECTED]
> HTTP: http://www.esperanto.org.nz
> [my messages contain my own opinions, not those of my employer]
>
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------------------------
Alice N. Averbukh
Software Developer
Web Street Securities
tel: 444-4700 ext. 2362
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