Die jüngeren Entwicklungen der Informations- und Kommunikationstechnik haben zu einer mehr und mehr globalisierten Welt geführt, in der geographische Beschränkungen entfallen und sich Unternehmen ständig neuen Herausforderungen gegenübergestellt sehen. Ein solch dynamisches Umfeld...

Results from classic queueing theory are shown to be useful for capacity planning of largescale multi-server systems. In the field of mainframe systems on-line monitoring and dynamic workload management care for the fulfilment of short-term performance goals with respect to service class...

Capacity planning for large-scale systems like mainframe installations is typically based on rather coarse historical workload data. Hence, it is advisable to employ techniques and tools that use the same "macroscopic" (high-level) view of the overall system. We follow the classic approach known...

An enterprise model comprises various abstractions of an enterprise that represent both information systems and the surrounding action systems. These different models are integrated in order to avoid redundant work and to contribute to a tight and consistent integration of action systems and...