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Routing and Staffing to Incentivize Servers in Many-Server Systems

Presented by: 
AR Ward University of Southern California
Date: 
Monday 12th August 2013 - 13:30 to 14:15
Venue: 
INI Seminar Room 1
Abstract: 
Co-authors: S. Doroudi, R. Gopalakrishnan, and A. Wierman

Traditionally, research focusing on the design of scheduling and staffing policies for service systems has modeled servers as having fixed (possibly heterogeneous) service rates. However, service systems are often staffed by people. Then, the rate a server chooses to work may be impacted by the scheduling and staffing policies used by the system. We present a model for such ``strategic servers'' that choose their service rate in order to maximize a trade-off between an ``effort cost'', which captures the idea that servers exert more effort when working at a faster rate, and a ``value of idleness'', which assumes that servers prefer to be idle as much as possible. In this strategic server framework, we re-visit classic scheduling and staffing questions in many-server systems, and, in particular, we investigate the performance of the common square-root safety staffing rule.

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Presentation Material: 
University of Cambridge Research Councils UK
    Clay Mathematics Institute The Leverhulme Trust London Mathematical Society Microsoft Research NM Rothschild and Sons