A low-bandwidth network file system
SOSP '01 Proceedings of the eighteenth ACM symposium on Operating systems principles
PeerStore: Better Performance by Relaxing in Peer-to-Peer Backup
P2P '04 Proceedings of the Fourth International Conference on Peer-to-Peer Computing
Pastiche: making backup cheap and easy
OSDI '02 Proceedings of the 5th symposium on Operating systems design and implementationCopyright restrictions prevent ACM from being able to make the PDFs for this conference available for downloading
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HOTOS'03 Proceedings of the 9th conference on Hot Topics in Operating Systems - Volume 9
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A peer-to-peer (P2P) backup system enables users to save a copy of their data in the free disk space of other peers in order to restore them later in case of hard disk crash, or handling errors... In this paper, we present a new peer-to-peer backup system implemented in the « DisPairSe » project and we concentrate on the security of such a system. Indeed, we provide mechanisms to ensure the integrity and confidentiality of data stored in the P2P network while respecting the anonymity of users. We also propose a solution to encourage peers to contribute to the backup system, to banish the selfish behaviour of a few peers and to give access to authorized nodes only. These solutions are based on the definition of a third trust party in charge of controlling the rights and the behaviour of peers.