Nikos Fotiou, Pekka Nikander, Dirk Trossen, George C.'s Broadband Communications, Networks, and Systems: 7th PDF

By Nikos Fotiou, Pekka Nikander, Dirk Trossen, George C. Polyzos (auth.), Ioannis Tomkos, Christos J. Bouras, Georgios Ellinas, Panagiotis Demestichas, Prasun Sinha (eds.)

ISBN-10: 3642303757

ISBN-13: 9783642303753

ISBN-10: 3642303765

ISBN-13: 9783642303760

This e-book constitutes the completely refereed post-conference lawsuits of the seventh foreign ICST convention on Broadband Communications, Networks and structures (BROADNETS 2010) held in October 2010 in Athens, Greece. The 39 revised complete papers have been conscientiously chosen from various submissions. The convention was once divided in three tracks: Optical, instant and web. The optical tune covers subject matters akin to optical swap architectures, trustworthy optical networking, routing, wavelength project, and site visitors grooming, community regulate and administration. The instant song highlights MIMO and OFDM concepts, mobility administration, routing protocols, hybrid networks and the web song covers routing, scheduling, safeguard, belief, semantic applied sciences and social networks.

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Additional info for Broadband Communications, Networks, and Systems: 7th International ICST Conference, BROADNETS 2010, Athens, Greece, October 25–27, 2010, Revised Selected Papers

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Firstly, this protocol is not compatible with the original BitTorrent protocol and requires changes at the trackers. Secondly, assuming that the geographical location of a client would be known is not realistic. Thirdly, clients located close to each other geographically may not be having a fast network link between them and might be separated by several hops in terms of routing. Finally, absence of any implementation of this protocol makes one skeptical about the relative performance gain of it.

Performance with different number of peers We conducted all the experiments for a duration of 1000s. Half of all the peers continuously connected to the overlay network for the entire duration. Remaining half created peer-churns by leaving the overlay for a duration between 0 and 20s at a randomly selected time. We have monitored the performance matrices at a child peer in 10s intervals and the average values of all the peers are shown in the following graphs. We have first simulated algorithms with different number of peers to investigate the consistency of the performance improvement of the new algorithm.

Siaterlis, and M. Masera 30 30 25 25 Received traffic in node2 (Mbps) 20 15 10 20 15 10 5 5 90 100 110 110 80 90 70 100 60 80 50 70 40 60 30 50 20 40 10 30 0 0 20 0 0 10 Received traffic in node2 (Mbps) 34 Sent traffic in node1 (Mbps) Sent traffic in node1 (Mbps) (a) Different runs using fixed-hardware- (b) Different runs allocation strategy. allocation strategy. using fixed-class- 25 Bandwidth (Mbps) Received traffic in node2 (Mbps) 30 20 15 10 5 0 0 10 20 30 40 50 60 70 80 Sent traffic in node1 (Mbps) 90 100 110 (c) Different runs using free-hardwareallocation strategy.

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Broadband Communications, Networks, and Systems: 7th International ICST Conference, BROADNETS 2010, Athens, Greece, October 25–27, 2010, Revised Selected Papers by Nikos Fotiou, Pekka Nikander, Dirk Trossen, George C. Polyzos (auth.), Ioannis Tomkos, Christos J. Bouras, Georgios Ellinas, Panagiotis Demestichas, Prasun Sinha (eds.)


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