Luis Canals wrote:
>
> Hello
> I've read a question in this mail list about this question (August
> 1999).
> I want to know if now Jonas can work in a cluster (one year after
> this question I'm talking about).
JOnAS doesn't still provide transparent cluster support. You can however
already distribute an application on several servers, and JOnAS is able
to manage distributed transactions between these servers. You can also
run the same application on different servers, and load balance clients
between these servers (of course the database can be a bottleneck if
there is a high level of concurrent access by different servers).
Load balancing can also be done by the web container as it is done
within Enhydra Director
(http://www.enhydra.org/community/workingGroups/enhydraDirectorGroup/index.html).
We will add additional mechanisms based on naming (i.e. several objects
providing the same service).
Another solution is to use an external load balancer and fail over
product as:
<vendor> Evidian SafeKit (http://www.evidian.com/safekit/index.htm)
</vendor>.
I think this is an interesting solution as it is application server
independant.
--
Gérard Vandome Evidian
[EMAIL PROTECTED] phone: 33 4 76 29.75.67
http://www.objectweb.org http://www.evidian.com
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