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Photonic Network Communications (2006) 11:163172 DOI 10.1007/s11107-005-6020-1

Summary: Photonic Network Communications (2006) 11:163­172
DOI 10.1007/s11107-005-6020-1
On burst length distribution and preemption probabilities
in OBS networks with burst segmentation
Eduardo Magaña · Javier Aracil
Received: 12 November 2004 / Revised: 3 August 2005 / Accepted 4 August 2005
© Springer Science + Business Media, Inc. 2006
Abstract Recently, preemption techniques have attracted
considerable attention as a means to provide differentiated
quality of service in optical burst switching (OBS) networks.
This paper is focused on the analysis of preemption prob-
abilities for bursts within the same priority class. As pro-
posed by Vokkarane and Jue ((2003)* IEEE J Select Areas
Commun 21(7): 1198­1209) an incoming burst will preempt
the burst in service, within the same priority class, if the
residual length of the burst in service is smaller than the
incoming burst length. For a general case with wavelength
conversion, the preemption probability of contending bursts
with a generic service distribution, not necessarily exponen-


Source: Rico, Javier Aracil - Departamento de Ingeniería Informática, Universidad Autonoma de Madrid


Collections: Computer Technologies and Information Sciences