Hi,

Server clustering is not specified anywhere in EJB or J2EE specs, and its
implementation is up to individual vendors.  Abraham Kang wrote a nice
article in javaworld that describes various server cluster implementations
in detail:

http://www.javaworld.com/jw-02-2001/jw-0223-extremescale.html

Gene Chuang
www.kiko.com


-----Original Message-----
From: ZHU Jia
To: [EMAIL PROTECTED]
Sent: 6/12/01 11:36 PM
Subject: Newbie question about clustering

Hi all,

can someone explain to me the basic concept about clustering? I mean I
know approximately what and why it is, but I'm interested in the
details.
For example if I have a cluster of EJB AppServer, how does the client
make the call and how is the session maintained with the cluster? Can
one session spawn across several
servers? And how does the cluster realize the load balancing?
We use JBoss now as our EJB platform, but both general tips and JBoss
specific ones are welcome. Also, some pointers to resource in the web
would be highly appreciated.
Many thanks in advance!

ZHU Jia

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