In this chapter we learned about SAP, how their software is used, some of the challenges in integrating with it, Standard and Custom IDOCs, and some of the SAP GUI transactions that help a BizTalk developer when building integrated solutions.
SAP usually represents an organization's System of Record, or crown jewel. Adding the ability to efficiently integrate with SAP will open up many new corporate opportunities that could result in a competitive advantage for your organization.
While integrating with SAP requires some underlying prerequisite knowledge, once an organization gets the first interface implemented, additional interfaces can be implemented very quickly as the foundational components have already been established and can continue to be leveraged. BizTalk is very capable of integrating with SAP in mission critical situations and should not be discounted due to SAP administrator paranoia.
As I am sure you are starting to recognize, integrating with SAP is a very large topic...