research unit 1
 

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Publication

Type of publication:Inproceedings
Entered by:chita
TitleRouting and Scheduling Sessions in Networks that Support Advance Reservations
Bibtex cite IDRACTI-RU1-2008-16
Booktitle 5th IEEE BROADNETS
Year published 2008
Pages 2988-3006
Note to appear
Abstract
A key problem in networks that support advance reservations is the routing and time scheduling of connections with flexible starting time. In this paper we present a multicost routing and scheduling algorithm for selecting the path to be followed by such a connection and the time the data should start so as to minimize the reception time at the destination, or some other QoS requirement. The utilization profiles of the network links, the link propagation delays, and the parameters of the connection to be scheduled form the inputs to the algorithm. We initially present a scheme of non-polynomial complexity to compute a set of so-called non-dominated candidate paths, from which the optimal path can be found. By appropriately pruning the set of candidate paths using path pseudo-domination relationships, we also find multicost routing and scheduling algorithms of polynomial complexity. We examine the performance of the algorithms in the special case of an Optical Burst Switched network. Our results indicate that the proposed polynomial time algorithms have performance that it is very close to that of the optimal algorithm.
Authors
Varvarigos, Emmanouel
Sourlas, Vasileios
Christodoulopoulos, Konstantinos
Topics
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RISRIS
Attachments
multicost_broadnets_final.pdf (main file)
 
Publication ID454