The LOCKSS peer-to-peer digital preservation system
- 2 February 2005
- journal article
- Published by Association for Computing Machinery (ACM) in ACM Transactions on Computer Systems
- Vol. 23 (1), 2-50
- https://doi.org/10.1145/1047915.1047917
Abstract
The LOCKSS project has developed and deployed in a world-wide test a peer-to-peer system for preserving access to journals and other archival information published on the Web. It consists of a large number of independent, low-cost, persistent Web caches that cooperate to detect and repair damage to their content by voting in “opinion polls.” Based on this experience, we present a design for and simulations of a novel protocol for voting in systems of this kind. It incorporates rate limitation and intrusion detection to ensure that even some very powerful adversaries attacking over many years have only a small probability of causing irrecoverable damage before being detected.Keywords
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