By Zlatka Avramova, Danny De Vleeschauwer, Kathleen Spaey, Sabine Wittevrongel (auth.), Rui Valadas, Paulo Salvador (eds.)

ISBN-10: 3642045758

ISBN-13: 9783642045752

ISBN-10: 3642045766

ISBN-13: 9783642045769

This submit proeedings quantity includes a number of learn contributions offered at FITraMEn 2008, held in the course of December 11-12, 2008 in Porto, Portugal.

The papers contained during this e-book supply a basic view of the continued study on site visitors administration and site visitors engineering within the Euro-NF community of Excellence, and provides a consultant instance of the issues at the moment investigated during this region, that spans themes reminiscent of bandwidth allocation and site visitors keep watch over, statistical research, site visitors engineering, and optical networks and video communications.

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Extra info for Traffic Management and Traffic Engineering for the Future Internet: First Euro-NF Workshop, FITraMEn 2008, Porto, Portugal, December 11-12, Revised Selected Papers

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However, by using standard TCP and changing the ingress nodes only (not all end-hosts), users can now be regarded as if they were using MP-TCP, with all the advantages that this means (better performance and more supported demands). 4 Solving the Problem: Distributed Algorithm As the network’s size increases, a centralized algorithm that solves (3) for the current TM does not scale well. In this context, a distributed algorithm is not only desirable but, if the network’s size is considerable, necessary.

This node will be in charge of distributing this traffic among paths, and in the sequel we will use the terms source and OD pair without differentiation. Each source s has ns possible paths towards its destination, indexed by i. Rs is a L × ns matrix whose li entry is 1 only if source s uses link l in its i-th path, and 0 otherwise. The incidence matrix is then R = [R1 . . RS ]. e. controlled by TCP). We suppose that flows arrive to source s as a Poisson process of intensity λs . Each of these flows consist of a random arbitrarily distributed workload (with mean ωs ) they want to transfer, generating a demand ds = λs ωs .

Congestion control should enable users to consume all their fair-share of the path. At this time-scale, saving a little bandwidth for future arrivals is, in our opinion, a waste of resources. Although MP-TCP constitutes a very interesting long-term objective, no actual implementations of it exists. Allowing end-hosts to choose their paths, or even making them aware that several possibilities exist, presents several technical difficulties in current Internet architectures. 1 Source-Level Utility Maximization Network Model We represent the network as L unidirectional links, indexed by l, whose capacities are given by the column vector c = [c1 .

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Traffic Management and Traffic Engineering for the Future Internet: First Euro-NF Workshop, FITraMEn 2008, Porto, Portugal, December 11-12, Revised Selected Papers by Zlatka Avramova, Danny De Vleeschauwer, Kathleen Spaey, Sabine Wittevrongel (auth.), Rui Valadas, Paulo Salvador (eds.)


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