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Coded Caching: Past, Present, Future
Coded caching has emerged as a powerful and elegant idea for content distribution over communication networks. Since the initial work of Maddah-Ali and Niesen, a vast set of theoretical results have been developed in the network coding and information theory community. These results range from solving more and more complicated theoretical "puzzles" (i.e., highly involved, but somehow practically irrelevant problems) to addressing more concrete problems of practical relevance for applications. Yet, questions still remain about whether such schemes will ever be used in the real world on a vast scale. This talk provides an account of some recent exciting results including the real-world implementation of coded caching on actual wireless networks, addressing some of the residual skepticism about the feasibility and actual gains achievable by these schemes.