Data Transfer from SAP R/3 to CRM System

Hi Experts,

I need the Busniess Partner Data in CRM system from SAP R/3. Can i do this by ALE or is ther any other way to do it?..If i need to do it by ALE can anyone pls let me know what message type should i use and the steps that i have to follow.

Thanks & Regards

Sathish