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Type: Artigo de periódico
Title: Providing Fast Channel Switching in P2P IPTV Systems
Author: Manzato, DAG
da Fonseca, NLS
Abstract: In spite of the increasing deployment of IPTV services, various functionalities still need to be improved. One of the main challenges is a reduction in startup delays, especially in channel switchings, a problem which is quite relevant in P2P IPTV systems due to bandwidth limitations, as well as the employment of buffers and overlay structures. This paper presents and compares four novel schemes for providing fast channel switching that reduce the occurrence of latency. The results suggest that, in general, the proposed schemes are all capable of performing 68% of all channel switchings instantaneously on average. Moreover, the Fast 2 scheme, which presented the best performance, reduces the overall stream quality received less than 19%, on average.
Subject: IPTV
fast channel switching
peer to peer networking
peer to peer computing
multimedia streaming
multimedia communication
multimedia systems
digital multimedia broadcasting
quality of service
Country: EUA
Editor: Ieee-inst Electrical Electronics Engineers Inc
Rights: fechado
Identifier DOI: 10.1109/JSAC.2013.SUP.0513029
Date Issue: 2013
Appears in Collections:Unicamp - Artigos e Outros Documentos

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