System Architecture
- Last UpdatedApr 29, 2026
- 2 minute read
The following diagrams display the flow of data and information in AVEVA NET Gatekeeper and AVEVA Change Manager:
Engineering Data Warehouse Pre-Processor
Engineering Data Warehouse (EDW) Pre-Processor™ is not an integral part of the system architecture on a day-to-day basis. It is responsible for the production of input data files in a format that is recognised by AVEVA NET Gatekeeper and AVEVA Change Manager based on customer-specific data and is usually used in greenfield scenarios.
System Architecture with EDW Pre-Processor

Typical System Architecture

Recommended System Architecture

AVEVA Information Standards Manager
AVEVA Information Standards Manager™ (AVEVA ISM) is not an integral part of the system architecture on a day-to-day basis. It is responsible for the production of Class Libraries used within AVEVA NET Gatekeeper, AVEVA Change Manager and AVEVA NET Workhub and Dashboard and is installed on a separate physical or virtual machine. For more information on AVEVA ISM, refer to the product documentation.