He initiated the development of The mixing and application platform that became the NetWeaver System.[one] Netweaver's style and design would wrap SAP programs within an architecture that allowed integration inside an company and over the web with other businesses. The System leverages SAP portal principles and application architecture ideas from https://www.ecom-group.com/training-events/case-study-apply-the-sap-enterprise-architecture-framework-along-an-architecture-development-cycle-iea10/