ABAP Interface techniques
I need some help to answer the below questions for internal project requiremnet.Can you please help me .
1.Write up of how we are going to build the interfaces and ensure that ECC will perform the required data extractions/downloads to run their business.
2.How does these ABAP interfaces will ensure data security/data quality/content required to run their business smoothly.
3.What kind of error handling/job failure mechanism that we provide for customer employees to monitor the timely execution of the interfaces
4.Disadvantages/limitations of using the ABAP program interfaces compared to using a EAI tool like PI
Please provide me some documents or answers or links so that I can answer them properly.