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...

Delays in the availability of vaccines are costly as the pandemic continues. However, in the presence of adjustment costs firms have an incentive to increase production capacity only gradually. The existing contracts specify only a fixed quantity to be supplied over a certain period and thus...

Vor dem Hintergrund des russischen Angriffskriegs suchen immer mehr Familien aus der Ukraine Schutz in Deutschland. Am 5. Mai 2022 waren rund 242.000 geflüchtete Minderjährige aus der Ukraine in Deutschland registriert und die Fluchtzuwanderung setzt sich weiter fort. So dürften sich...