Integration of Business Systems without Integration Engine

Depending on the type of your business systems, you have the following ways of integration:

• Integration using the Java Proxy Runtime

• Integration using the IDoc adapter

• Integration using the Plain HTTP adapter

• Integration using the Adapter Engine

If you want to use Web Service communication between AS ABAP backends and PI, and you are using SAP NetWeaver PI with an older System Landscape Directory, see SAP Note 1521021 .