On Apr 20, 2006, at 6:26 PM, Radovan Janecek wrote:

> I was not clear enough. ServiceA, ServiceB, and ServiceC etc. 
> provide, as part of their service interface, 'give me all data I 
> want' and 'keep me updated on all changes' capabilities via pox/
> http. Reporting ServiceR gets the data and stores them (no problem 
> with rdbms here because it is internal ServiceR logic). Within 
> ServiceR you use whatever tools/technologies you want for data 
> analysis. Results are provided via ServiceR's interface to users. 
> If you have only one ServiceA then this approach is an overkill and 
> you do data analysis right over the ServiceA's database. Does this 
> make sense? -Radovan
>

Ah, I see. Sure, it does make sense - but requires ServiceR to get 
data as XML and write query logic in XPath or XQuery. Where this is 
acceptable, your solution is fine.

--
Stefan Tilkov, http://www.innoq.com/blog/st/







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