TREX 7.0 for SAP NetWeaver 7.0
Applications based on SAP NetWeaver 7.0 use TREX 7.0. These applications can optionally use TREX 7.1 because each version of the TREX ABAP client and the TREX Java client is compatible with TREX 7.1.

More information: TREX 7.1 for SAP NetWeaver 7.0
● Search Engine Service (SES)
The Search Engine Service (SES) enables users to search for business objects. SES is part of the SAP NetWeaver Application Server and access TREX functions through the TREX ABAP client (for details, see Administration of the Search Engine Service).
● Search Integration Capabilities
TREX is part of the SAP Search Integration capabilities. Search and Classification (TREX), Knowledge Management (KM), and Search Engine Service (SES) together make up the integrated SAP search technology for company-wide searches in unstructured and structured data (document collections and business objects).
This documentation is organized into the following areas:
This area contains information about the TREX architecture, the TREX components, and their functions.
This area contains all relevant procedures that describe how you can configure TREX. The configuration is organized as follows:
○ Post-Installation Configuration
Here you can find information about administrating TREX:
○ Data Backup and Restore for TREX
○ Administration of the Search Engine Service
