Low-latency access to robust amnesic storage

  • Authors:
  • Dan Dobre;Matthias Majuntke;Neeraj Suri

  • Affiliations:
  • TU Darmstadt, Germany;TU Darmstadt, Germany;TU Darmstadt, Germany

  • Venue:
  • LADIS '08 Proceedings of the 2nd Workshop on Large-Scale Distributed Systems and Middleware
  • Year:
  • 2008

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Abstract

We address the problem of building a reliable distributed read/write storage from unreliable storage units, e.g. a collection of servers, of which up to one-third can fail by not responding or by undetectably corrupting the data stored on them. Our contribution consists in the development of Byzantine-resilient storage algorithms that for the first time combine strong consistency and liveness guarantees with space-efficiency. Previous solutions featuring equivalent properties resort to storing an unlimited number of data versions in the storage units, thus eventually running into problems of space exhaustion.