What servlet engines support clustering -- that is, sharing of session data across multiple load-balanced web servers?
Created May 4, 2012
Chanan Braunstein
[Short list:
- JRun 3.0
- IBM WebSphere
- BEA WebLogic
- Enhydra (open-source app server from Lutris)
If you know any more, please submit feedback. -Alex]
JRun 3.0 (Right now in RC1) will support clustering with an add-on. check http://www.allaire.com for info.
[Prasad Thammineni adds:]
In WebSphere Application Server Advanced Edition, you have to enable persistent sessions in order to support session clustering. Also, you have to employ a load balancer like CISCO local director to distribute HTTP requests across multiple web servers/servlet engines.
[victor tago (vtago@yahoo.com) adds: ]
The WebSphere Performance Pack also has a load balancer called Secureway Network Dispatcher.
[Monte Kluemper:]
WebLogic server has supported robust clustering of servlets, EJBs, etc. for over a year!
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