Recommended architecture for oracle bi ee

Hi,
we are trying to decide whether it is better to separate the presentation services from the bi server & host them on separate machines. We would like to know what is the recommended architecture? Is it better to install the webserver,oracle presentation server on one machine & the java host& B1 server on another machine?
thanks.

I don't know what Oracle official recommended architecture is.
However, the latest benchmarks from Oracle are based on BI/PS on each machine: http://rnm1978.wordpress.com/2009/09/18/collated-obiee-benchmarks/
I'd say that's a pretty strong reason to go with BI/PS on each machine.
FWIW, we run 2xBI/2xPS but given chance I'd probably redeploy to 4xBI&PS

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*** INFORMATION 1 ***
*** INFORMATION 2 ***
*** INFORMATION 3 ***
*** INFORMATION 4 ***
*** INFORMATION 5 ***
*** INFORMATION 6 ***
*** INFORMATION 7 ***
*** INFORMATION 8 ***
*** INFORMATION 9 ***
*** INFORMATION 10 ***
*** INFORMATION 11 ***
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