Hi,
We've developed our own application session server functionality, (with our own 
proprietry data access layer) to process user requests; and based on their user 
details, direct the request to that users appropriate database to either 
retrieve or update data. We've hundreds of clients, therefore hundreds of 
databases (MS SQL Server), 1 per customer. All requests are driven by the 1 
application server - which comprises the web server (JRUN) and a session server 
- our own implementation.

We're now about to start evaluating other application servers on the market - 
mainly JBoss, with a view to use CMP. My problem is how could we configure or 
manage multiple databases with JBoss. For example, would JBoss know how to 
differentiate between a 'client' object with a primary key of '1' from one 
database and the same 'client' object type from a different database with a 
primary key of '1'? How would JBoss handle this?

The option to incorporate all databases into one 'mother of all databases' is 
not an option.

Any help or ideas would be greatly appreciated.

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