Segank: A Distributed Mobile Storage System

Segank: A Distributed Mobile Storage System (2004)

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by Sumeet Sobti , Nitin Garg , Randolph Y. Wang, et al.

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BibTeX

@MISC{Sobti04segank:a,
    author = {Sumeet Sobti and Nitin Garg and Randolph Y. Wang and et al.},
    title = {Segank: A Distributed Mobile Storage System},
    year = {2004}
}

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Abstract

This paper presents a distributed mobile storage system designed for storage elements connected by a network of non-uniform quality. Flexible data placement is crucial, and it leads to challenges for locating data and keeping it consistent. Our system employs a location- and topology-sensitive multicast-like solution for locating data, lazy peer-to-peer propagation of invalidation information for ensuring consistency, and a distributed snapshot mechanism for supporting sharing. The combination of these mechanisms allows a user to make the most of what a non-uniform network has to offer in terms of gaining fast access to fresh data, without incurring the foreground penalty of keeping distributed elements on a weak network consistent.

Keyphrases

distributed mobile storage system flexible data placement lazy peer-to-peer propagation storage element weak network consistent topology-sensitive multicast-like solution foreground penalty fast access invalidation information non-uniform network non-uniform quality distributed element distributed snapshot mechanism