Human Resource Business Partner (HRBP) - How it is different from traditional HR?

All HR Professionals are requested to throw some light on the following?
- What is a Human Resource Business Partner (HRBP)?
- How it is different from traditional HR?
- Roles and Responsibilities of HRBP.
- Importance of HRBP in the organization.

Dear Kishan Vagadiya ji,
This is nothing but old wine in new bottle.
All this ornamental positions has no meaning. What is important that what you produce or what you contribute to your organization.
Every employee is a business partner in his organization. Likewise, HR too is a business partner to his organization. HR has to measure his contribution in this partnership.

Every HR professional is doing some common task and among those, some HR is doing designed task of HRM that is a strategic in nature and having impact on business growth directly .... That designed KRA is collected in HRBP.. apart traditional hr people have been working since evolution of HRM.