Segank: A distributed mobile storage system

  • Sumeet Sobti
  • , Nitin Garg
  • , Fengzhou Zheng
  • , Junwen Lai
  • , Yilei Shao
  • , Chi Zhang
  • , Elisha Ziskind
  • , Arvind Krishnamurthy
  • , Randolph Y. Wang

Research output: Contribution to conferencePaperpeer-review

24 Scopus citations

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.

Original languageEnglish
Pages239-252
Number of pages14
StatePublished - 2004
Externally publishedYes
Event3rd USENIX Conference on File and Storage Technologies, FAST 2004 - San Francisco, United States
Duration: 31 Mar 20042 Apr 2004

Conference

Conference3rd USENIX Conference on File and Storage Technologies, FAST 2004
Country/TerritoryUnited States
CitySan Francisco
Period31/03/042/04/04

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