He initiated the development of the integration and application System that grew to become the NetWeaver System.[1] Netweaver's design would wrap SAP programs in an architecture that permitted integration in just an enterprise and on the internet with other corporations. The System leverages SAP portal principles and software architecture principles https://www.ecom-group.com/training-events/case-study-apply-the-sap-enterprise-architecture-framework-along-an-architecture-development-cycle-iea10/