CPPR and PDP in SRM 7.01

Hi gurus,

I was little confused with the below things regarding CPPR and PDP...

Correct me if i'm wrong-   If we don't want external requirement to be transferred to SRM automatically then we will use CPPR..in this case we dont need to implement PDP.

1.Can we take CPPR as a new business scenario? or CPPR is a part of PDP??

2.Do we have the option to use PDP in ECC 6.0/EHP4? If i dont use XI/PI and BADI: ME_REQ_SOURCING_CUST" can i implement PDP??

3.How can I club different external PR's coming to SRM and create a single PO? Can I also have a single SC created in SRM for all these PR's if they have same vendor on all the PR's?

4.What are the configuration settings required for CPPR in ECC and SRM? Are the below settings enough for CPPR-PDP scenario? (Can we call this as PDP??)

In ECC we implement the below

BADI:ME_REQ_SOURCING_CUST , and activate the business function LOG_MM_P2PSE_1

in SRM we check the below

• RFC User need to assign at root node of SRM organization structure with all required attributes i.e. Plant or company codes
• Newly added Plants/company code should be assigned to user attributes of RFC User  via Inherit way
• RFC User responsible for creation of Shopping cart in SRM system
• Plant and company code assignment should exist in ECC system for Classic scenarios
• Harmonized Roles for portal user 
• Check Even type linkages
  

ANY OTHER SETTINGS REQUIRED??

Thanks in advance