He initiated the development of The mixing and application System that became the NetWeaver System.[1] Netweaver's style would wrap SAP programs within an architecture that authorized integration inside an business and online with other companies. The platform leverages SAP portal concepts and application architecture ideas from Typical Motors and CommerceOne. https://www.ecom-group.com/training-events/case-study-apply-the-sap-enterprise-architecture-framework-along-an-architecture-development-cycle-iea10/