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Summary: Discriminatory Processor Sharing Revisited
K. Avrachenkov
, U. Ayesta,,
, P. Brown
, R. N´u~nez-Queija ,
INRIA Sophia Antipolis, France. e-mail: {k.avrachenkov,uayesta}@sophia.inria.fr
France Telecom R&D. e-mail: patrick.brown@francetelecom.com
CWI, Amsterdam, The Netherlands. e-mail: {urtzi.ayesta,sindo}@cwi.nl
Eindhoven University of Technology, The Netherlands. e-mail: r.nunez@tue.nl
Abstract-- As a natural multi-class generalization of
the well-known (egalitarian) Processor Sharing (PS) ser-
vice discipline, Discriminatory Processor Sharing (DPS)
is of great interest in many application areas, including
telecommunications. Under DPS, the mean response time
conditional on the service requirement is only known in
closed form when all classes have exponential service re-
quirement distributions. For generally distributed service
requirements, Fayolle et al. [1] showed that the expected
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