Exploring the Memory-Bandwidth Tradeoff in an Information-Centric Network - Inria - Institut national de recherche en sciences et technologies du numérique
Communication Dans Un Congrès Année : 2013

Exploring the Memory-Bandwidth Tradeoff in an Information-Centric Network

James Roberts
Nada Sbihi
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Résumé

An information-centric network should realize significant economies by exploiting a favourable memory-bandwidth tradeoff: it is cheaper to store copies of popular content close to users than to fetch them repeatedly over the Internet. We evaluate this tradeoff for some simple cache network structures under realistic assumptions concerning the size of the content catalogue and its popularity distribution. Derived cost formulas reveal the relative impact of various cost, traffic and capacity parameters, allowing an appraisal of possible future network architectures. Our results suggest it probably makes more sense to envisage the future Internet as a loosely interconnected set of local data centers than a network like today's with routers augmented by limited capacity content stores.
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Dates et versions

hal-00870506 , version 1 (07-10-2013)

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  • HAL Id : hal-00870506 , version 1

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James Roberts, Nada Sbihi. Exploring the Memory-Bandwidth Tradeoff in an Information-Centric Network. ITC 25 - 25th International Teletraffic Congress, Sep 2013, Shanghai, China. ⟨hal-00870506⟩

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