Donut is an implementation of an available, replicated distributed hash table built on top of Chord. The design was built to support storage of common file sizes in a closed cluster of systems. This paper discusses the two layers of the implementation and a discussion of future development. First, we discuss the basics of Chord as an "overlay network" and our implementation details, second, Donut as a hash table providing availability and replication and thirdly how further development towards a distributed file system may proceed.
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