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Statements

Subject Item
n2:RIV%2F00216208%3A11320%2F09%3A00206577%21RIV10-MSM-11320___
rdf:type
skos:Concept n20:Vysledek
dcterms:description
In WDM backbone networks, the traffic pattern evolves constantly, and a simple policy leads to a poor usage of resources and so to a higher blocking probability. Therefore, it is important to regularly reconfigure the network by rerouting established connections in order to optimize the usage of network resources. In this paper, we consider the network reconfiguration problem that consists in switching existing connections one after the other from the current routing to a new pre-computed routing. In this setting, the network reconfiguration problem consists in going from a routing to another one given that some priority connections cannot be interrupted. Here, we first extend this model to handle priority connections. Then we identify cases where no solution exists. We prove that the reconfiguration problem with priority connections can be reduced to the problem without this constraint. Finally, we propose a new heuristic algorithm that improves upon previous proposals. In WDM backbone networks, the traffic pattern evolves constantly, and a simple policy leads to a poor usage of resources and so to a higher blocking probability. Therefore, it is important to regularly reconfigure the network by rerouting established connections in order to optimize the usage of network resources. In this paper, we consider the network reconfiguration problem that consists in switching existing connections one after the other from the current routing to a new pre-computed routing. In this setting, the network reconfiguration problem consists in going from a routing to another one given that some priority connections cannot be interrupted. Here, we first extend this model to handle priority connections. Then we identify cases where no solution exists. We prove that the reconfiguration problem with priority connections can be reduced to the problem without this constraint. Finally, we propose a new heuristic algorithm that improves upon previous proposals.
dcterms:title
Reconfiguration of the routing in WDM networks with two classes of services Reconfiguration of the routing in WDM networks with two classes of services
skos:prefLabel
Reconfiguration of the routing in WDM networks with two classes of services Reconfiguration of the routing in WDM networks with two classes of services
skos:notation
RIV/00216208:11320/09:00206577!RIV10-MSM-11320___
n3:aktivita
n7:P n7:Z
n3:aktivity
P(1M0545), Z(MSM0021620838)
n3:dodaniDat
n19:2010
n3:domaciTvurceVysledku
Sereni, Jean-Sebastien
n3:druhVysledku
n18:D
n3:duvernostUdaju
n11:S
n3:entitaPredkladatele
n8:predkladatel
n3:idSjednocenehoVysledku
338389
n3:idVysledku
RIV/00216208:11320/09:00206577
n3:jazykVysledku
n21:eng
n3:klicovaSlova
Reconfiguration; routing; networks; classes; services
n3:klicoveSlovo
n5:services n5:networks n5:classes n5:Reconfiguration n5:routing
n3:kontrolniKodProRIV
[A33A22793AFF]
n3:mistoKonaniAkce
New-Jersey, USA
n3:mistoVydani
New-Jersey, USA
n3:nazevZdroje
Proceedings of the 13th International Conference on Optical Networking Design and Modeling (ONDM 2009)
n3:obor
n17:BA
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
5
n3:projekt
n4:1M0545
n3:rokUplatneniVysledku
n19:2009
n3:tvurceVysledku
Huc, F. Coudert, D. Nisse, N. Sereni, Jean-Sebastien Mazauric, D.
n3:typAkce
n9:WRD
n3:wos
000271704900025
n3:zahajeniAkce
2009-01-01+01:00
n3:zamer
n16:MSM0021620838
s:numberOfPages
6
n15:hasPublisher
IEEE
n6:isbn
978-1-4244-4187-7
n10:organizacniJednotka
11320