bandwidth between BI4 Server and Database Server

Hello everyone,

I want to install BusineesObjects BI4.2.

I've got a BI4 server in one city and a database server in an other city. I need to know how many bandwidth use a request with SAP to know if my connction is OK or if i need more...

Have you got a requirment manuel about it ? Have you got a minimum recommandation about the link ? 1MB ? 2 MB ? More ?

Thanks for your help.

Regards.