This paper establishes stochastic bounds for the phasal departure times of a heterogeneous-server queue with a recurrent input and Erlang service times. The multi-server queue is bounded by a simple ...

Motivated by telephone call centers, we study large-scale service systems with multiple customer classes and multiple agent pools, each with many agents. To minimize staffing costs subject to ...

Since the advent of operating system, the focus of the paper is aimed at better resource scheduling. Handling of multiple tasks at a single time by single processor is old story now. Today is the time ...