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

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 fresh development in the direction of the interoperability of frequently separate networks, comparable to terrestrial, wireless/cellular, and satellite tv for pc, for the aid of multimedia functions poses new and considerably hard difficulties to community layout. This e-book experiences at the state of the art paintings built in the course of the 4 years of operation of the associated fee 279 motion, research and layout of complex Multiservice Networks helping Mobility, Multimedia, and Internetworking, by means of its engaging researchers, originating from over forty examine associations from the educational, commercial, and telecom operator worlds. The paintings comprises either primary, methodological, and utilized features of community functionality overview and design.

Analysis and layout of complicated Multiservice Networks helping Mobility, Multimedia, and Internetworking includes a certain account of the paintings constructed, supported on an intensive bibliography of fabric released within the peer-reviewed literature. It includes the subsequent six chapters:

IP-Based Networks
Queueing versions
Traffic size, Characterization, and Modeling
Wireless Networks
Optical Networks
Peer-to-Peer Services

Analysis and layout of complicated Multiservice Networks assisting Mobility, Multimedia, and Internetworking will entice either practitioners of community layout, and to researchers aiming to map destiny instructions in networking research.

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Read or Download Analysis and Design of Advanced Multiservice Networks Supporting Mobility, Multimedia, and Internetworking: COST Action 279 Final Report PDF

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

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In [65] is made a detailed study, based on OPNET simulations of Internet services such as Web and e-mail, of the impact of the link layer, assumed Frame Relay, and TCP control parameters on packet delays and application response times. From this work, guidelines are obtained about resource dimensioning for the support of Service Level Agreements (SLAs) in IP networks. A particularly interesting point is that the end-to-end packet delay along the Frame Relay Permanent Virtual Circuit (PVC) path mostly results from the queueing delay at the Wide Area Network (WAN) ingress points, due to the significant bandwidth differences between LAN and WAN link layers.

A list of possible output wavelengths, can be associated to each request. Then, in order to save wavelength converters, preference is given to the output wavelength which directly maps on the input wavelength. If direct mapping is not possible, the availability of a wavelength converter is checked. If there is no free converter, the request is rejected. The developed analytical model is based on a Markov chain, and assumes the request arrival process to be Poisson and the output wavelengths to be randomly chosen.

If the link is already too heavily loaded, the first packet (or packets) of a new flow is simply discarded. The current state of congestion is determined based on measurements since flows do not declare any traffic descriptors. A new flow is accepted if the estimated available bandwidth is greater than or equal to a predetermined admission threshold. An optimal choice of the admission threshold should produce negligible blocking under normal load while maintaining sufficiently high throughput for admitted flows in case of overload [25].

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