A novel fault management approach for DWDM optical networks

LAUR Repository

Show simple item record

dc.contributor.author Fawaz, W.
dc.contributor.author Martignon, F.
dc.contributor.author Chen, K.
dc.contributor.author Pujolle, G.
dc.date.accessioned 2016-02-05T13:14:36Z
dc.date.available 2016-02-05T13:14:36Z
dc.date.copyright 2006
dc.date.issued 2016-02-05
dc.identifier.issn 1748-1252 en_US
dc.identifier.uri http://hdl.handle.net/10725/3020
dc.description.abstract Connection availability is considered as a critical metric when providing differentiated services in Wavelength-Division Multiplexing mesh networks. Indeed, one of the major concerns of optical network operators is related to improving the availability of services provided to their highest-class clients. Achieving this objective is possible through managing faults using the different classical protection schemes, namely the so-called dedicated and shared protection schemes. However, the majority of the work concerning protection schemes has considered the primary connections as equally important when contending for the use of the backup resources. As a main contribution in this paper, we therefore propose an improvement of the existing protection schemes through the introduction of relative priorities among the different primary connections contending for the access to the protection path. To evaluate numerically the benefits of the service differentiation feature introduced in our proposal, we first develop a mathematical model, based on which we derive explicit expressions for the average connection availabilities that result from both the classical protection schemes and the proposed priority-aware one. Through this model, we show how the availability of the highest-class clients is improved when deploying the proposed priority-aware protection scheme. Finally, with the same objective in mind, we develop a simulation study, where a given set of connection demands with predefined availability requirements is provisioned using different protection strategies. Through this study, we show that the priority-aware protection strategy satisfies service-availability requirements in a cost-effective manner compared with the classical protection schemes.Copyright © 2006 John Wiley & Sons, Ltd. en_US
dc.language.iso en en_US
dc.title A novel fault management approach for DWDM optical networks en_US
dc.type Article en_US
dc.description.version Published en_US
dc.author.school SOE en_US
dc.author.idnumber 200602957 en_US
dc.author.woa N/A en_US
dc.author.department Electrical Engineering en_US
dc.description.embargo N/A en_US
dc.relation.journal International Journal of Network Management en_US
dc.journal.volume 16 en_US
dc.journal.issue 5 en_US
dc.article.pages 337-349 en_US
dc.identifier.doi http://dx.doi.org/10.1002/nem.601 en_US
dc.identifier.ctation Fawaz, W., Martignon, F., Chen, K., & Pujolle, G. (2006). A novel fault management approach for DWDM optical networks. International Journal of Network Management, 16(5), 337-349. en_US
dc.author.email wissam.fawaz@lau.edu.lb
dc.identifier.url http://onlinelibrary.wiley.com/doi/10.1002/nem.601/abstract

Files in this item

Files Size Format View

There are no files associated with this item.

This item appears in the following Collection(s)

Show simple item record

Search LAUR

Advanced Search


My Account