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International Journal of Digital Multimedia Broadcasting
Volume 2010, Article ID 720251, 11 pages
Research Article

Secure P2P Data Storage and Maintenance

EURECOM, 06560 Valbonne Sophia Antipolis, France

Received 1 August 2009; Revised 4 December 2009; Accepted 17 January 2010

Academic Editor: Golnaz Karbaschi

Copyright © 2010 Nouha Oualha et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


P2P data storage requires strong reliability and security assurances. Existing data storage solutions have been designed for centralized as well as distributed settings; yet they do not address the security and cooperation issues raised by self-organization. P2P systems also introduce new needs regarding data availability due to the dynamicity of the infrastructure, which are unaddressed so far. This paper first discusses the approaches for tackling these problems. A solution is then introduced that relies on self-organizing security mechanisms in conjunction with a data rejuvenation scheme using erasure codes.