Number for bDocs processed per hour in custom interface to SAP CRM from Tibco

Hello Experts,

Could you please let me know the ideal Number for bDocs processed per hour for a interface which has SAP CRM and TIBCO.

The intent is to use to most easy to scale technology for a custom interface to SAP CRM from Tibco .

I did check the forums but was not able to get a definitive answer.

I understand that it is not possible to quantify the exact number of BDocs that can be processed in an hour,but could you please let me know the factors on which it depends.

Regards,

Akash