EAN: 9783319890975

COMPUTER COMMUNICATIONS AND NETWORKS GREENING...

This insightful text presents a guide to video distribution networks (VDNs)  providing
illuminating perspectives on reducing power consumption in IP-based video networks from an
authoritative selection of experts in the field. A particular focus is provided on aspects of
architectures  models  Internet protocol television (IPTV)  over-the-top (OTT) video content 
video on demand (VoD) encoding and decoding  mobile terminals  wireless multimedia sensor
networks (WMSNs)  software defined networking (SDN)  and techno-economic issues.Topics and
features: reviews the fundamentals of video over IP distribution systems  and the trade-offs
between network service performance and energy efficiency in VDNs  describes the
characterization of the main elements in a video distribution chain  and techniques to decrease
energy consumption in software-based VoD encoding  introduces an approach to reduce power
consumption in mobile terminals during video playback  and in data center networks using the
SDN paradigm  discusses the strengths and limitations of different methods for measuring the
energy consumption of mobile devices  proposes optimization methods to improve the energy
efficiency of WMSNs  and a routing algorithm that reduces energy consumption while maintaining
the bandwidth  presents an economic analysis of the savings yielded by approaches to minimize
energy consumption of IPTV and OTT video content services. The broad coverage and practical
insights offered in this timely volume will be of great value to all researchers  practitioners
and students involved with computer and telecommunication systems.

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