An evaluation of alternative continuous media replication techniques in wireless peer-to-peer networks

Authors:
Shahram Ghandeharizadeh;Tooraj Helmi
Affiliations:
University of Southern California, Los Angeles, CA;University of Southern California, Los Angeles, CA
Venue:
Proceedings of the 3rd ACM international workshop on Data engineering for wireless and mobile access
Year:
2003

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Abstract

This study investigates a novel streaming architecture consisting of home-to-home online (H2O) devices that collaborate to provide on-demand access to a large selection of audio and video clips. An H2O device consists of a high bandwidth wireless communication component, a powerful processor, and gigabytes of storage. This study investigates three families of replication strategies for a H2O cloud. We evaluate these using analytical models. The obtained results demonstrate the superiority of one strategy that determines the number of replicas for a clip i based on (a) the bandwidth required to display clip i proportional to the bandwidth required by the other clips in the database, and (b) the square root of the frequency of access to the clips.