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Erschienen in:
2006 | OriginalPaper | Buchkapitel
Dynamic Algorithms to Provide a Robust and Scalable Overlay Routing Service
verfasst von : Bart De Vleeschauwer, Filip De Turck, Bart Dhoedt, Piet Demeester
Erschienen in: Information Networking. Advances in Data Communications and Wireless Networks
Verlag: Springer Berlin Heidelberg
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Service providers and companies wishing to connect a number of distributed sites need a QoS enabled and resilient network to provide their services. As network providers can not yet offer multidomain end-to-end QoS and Internet path outages can last several minutes, using Overlay Service Networks to route around congested or failing parts of the network is a hot topic in the research community. Typically a full mesh topology is used to connect the servers of the Overlay Service Network. Because this approach is not scalable, we propose to use a dynamic topology that is only a fraction of the full mesh. A novel algorithm that automatically reconfigures the topology when link outages or congestion occur is introduced. We have also developed an on-demand overlay routing algorithm that decreases the overlay network load. Through simulation it is shown that our algorithms allow to offer a robust routing service in a scalable way.