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Impact of caching on HTTP Adaptive Streaming decisions: Towards an optimal

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Abstract

The interplay between caching and HTTP Adaptive Streaming (HAS) is known to be intricate, and possibly detrimental to QoE. In this paper, we make the case for caching-aware rate decision algorithms at the client side which do not require any collaboration with cache or server. To this goal, we introduce the optimization model which allows to compute the optimal rate decisions in the presence of cache, and compare the current main representatives of HAS algorithms (RBA and BBA) to this optimal. This allows us to assess how far from the optimal these versions are, and on which to build a caching-aware rate decision algorithm.
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Dates and versions

hal-01423164 , version 1 (28-12-2016)

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Vitalii Poliakov, Lucile Sassatelli, Damien Saucez. Impact of caching on HTTP Adaptive Streaming decisions: Towards an optimal. Computer Communications Workshops (INFOCOM WKSHPS), 2016 IEEE Conference on, Apr 2016, San Francisco, United States. ⟨10.1109/INFCOMW.2016.7562249⟩. ⟨hal-01423164⟩
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