State-of-the-art in Cache-aided Combination Networks

Abstract : Caching is an effective approach to smooth out network traffic by storing some content in users' local memories during off-peak hours, which can be used to reduce the required number of transmissions during peak-traffic hours. This paper reviews recent advances on cache-aided relay networks, in particular for combination networks, which has a specific symmetric network topology. Two approaches exist for relay networks with end-user caches, depending on whether the generation of the multicast messages for the delivery phase is independent of the network topology. We review state-of-the-art schemes by categorizing them according to one of these two approaches. We also discuss their optimality (exact or to within a multiplicative factor).
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https://hal-centralesupelec.archives-ouvertes.fr/hal-01742452
Contributor : Pablo Piantanida <>
Submitted on : Sunday, March 25, 2018 - 12:18:28 AM
Last modification on : Wednesday, August 7, 2019 - 3:34:13 PM

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Wan Kai, Mingyue Ji, Pablo Piantanida, Daniela Tuninetti. State-of-the-art in Cache-aided Combination Networks. 51st Asilomar Conference on Signals, Systems and Computers, 2017, Oct 2017, San Francisco, United States. pp.641-645, ⟨10.1109/acssc.2017.8335420 ⟩. ⟨hal-01742452⟩

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