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Nowadays, television is the most popular media for informing and entertaining in the world. The generalization of IPTV brings advantages in terms of IP service convergence, but has also some drawbacks. One of the most them is the channel zapping delay. In this paper we show how it is possible, when IPTV is multicasted, to improve the zapping delay and therefore the quality experienced by viewers, by using an additional stream with specific packet ordering rules.
Date of Conference: 5-9 June 2011