Technical System Landscape 

This section illustrates the technical system landscape of SAP NetWeaver PI and lists the involved components. The main components of a PI landscape and the communication between these components are shown in the following figure.

The following table provides you with further information about these components:

Component	More Information
Enterprise Services Builder	Enterprise Services Builder
Integration Builder	Integration Builder
Enterprise Services Repository	Enterprise Services Repository
Integration Directory	Integration Directory
Runtime Workbench	PI Monitoring
Business Process Engine	Integration Processes
Integration Engine	Integration Engine
Advanced Adapter Engine	Advanced Adapter Engine
System Landscape Directory	Tasks in the System Landscape Directory

The Advanced Adapter Engine is often simply referred to as Adapter Engine in the subsequent documentation.