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Antiquity
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| Introduction |
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Antiquity is a wide-area distributed storage system designed to provide a simple storage service and interface for applications like file systems and back-up. The design assumes that all servers eventually fail and attempts to maintain data despite those failures. Antiquity uses a secure log to maintain data integrity, replicates each log on multiple servers for increased durability, and uses quorum protocols to ensure consistency among replicas. Antiquity's design has been evaluated on global and local testbeds. It was tested running on 400+ PlanetLab servers storing nearly 20,000 logs totalling more than 84 GB of data. Despite constant server churn, all logs remain durable.
Last modified 2007/08/17. |