Analysis and Design of Advanced Multiservice Networks by Jose Brazio, Phuoc Tran-Gia, Nail Akar, Andrzej Beben,

By Jose Brazio, Phuoc Tran-Gia, Nail Akar, Andrzej Beben, Wojciech Burakowski, Markus Fiedler, Ezhan Karasan, Michael Menth, Philippe Olivier, Kurt Tutschku, Sabine Wittevrongel

The new pattern in the direction of the interoperability of typically separate networks, corresponding to terrestrial, wireless/cellular, and satellite tv for pc, for the aid of multimedia functions poses new and considerably difficult difficulties to community layout. This publication studies at the state of the art paintings constructed in the course of the 4 years of operation of the associated fee 279 motion, research and layout of complex Multiservice Networks aiding Mobility, Multimedia, and Internetworking, by way of its engaging researchers, originating from over forty learn associations from the tutorial, business, and telecom operator worlds. The paintings comprises either primary, methodological, and utilized facets of community functionality assessment and layout. research and layout of complex Multiservice Networks helping Mobility, Multimedia, and Internetworking includes a exact account of the paintings constructed, supported on an intensive bibliography of fabric released within the peer-reviewed literature. It comprises the next six chapters: IP-Based NetworksQueueing versions site visitors size, Characterization, and ModelingWireless NetworksOptical NetworksPeer-to-Peer providers research and layout of complicated Multiservice Networks assisting Mobility, Multimedia, and Internetworking will attract either practitioners of community layout, and to researchers aiming to map destiny instructions in networking examine.

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Additional info for Analysis and Design of Advanced Multiservice Networks Supporting Mobility, Multimedia, and Internetworking: COST Action 279 Final Report

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The results show that for some networks, when using the SPM approach, only 17% backup capacity is required to protect them against all single link and router failures. The amount of required backup capacity mostly depends on the network topology: strongly meshed networks favours the existence of link- and node-disjoint multi-paths and thus contribute to derive cost-efficient solutions. Further details on this 26 CHAPTER 1. 3 that more specifically deals with traffic engineering based on MPLS. 5 Comparison between NAC and Overprovisioning NAC is definitely required when physically available resources are limited, as is the case, for example, with the spectrum for the air interface of mobile communication systems.

11, the model is shown to provide a very good fit to the experimental data relating the long term average rate to the “peak rate” expressed as the 99% quantile. QoS Differentiation Another approach to dimension TCP/IP networks is to support QoS differentiation. The performance of Internet links carrying TCP traffic with two priority classes is considered in [59, 60]. The elastic flows are assumed to appear according to a Poisson process and to fairly share the capacity (link bandwidth). Hence the stochastic process of TCP flows is described by a multiserver PS queueing model, M/G/S-PS, with two customer classes.

The congestion control mechanism of TCP, originally designed to protect the Internet from congestion collapse, basically implements a closed loop control scheme. Congestion in the network is fed back to the source in the form of losses, as in Reno-like versions, or delays, as in TCP Vegas. Versions of TCP recently developed aim at overcoming the above-cited limitations of current TCP, either by the use of loss-based mechanisms, as in HighSpeed TCP and Scalable TCP, or of delay-based mechanisms, as in FAST TCP.

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