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Light-weight currency management mechanisms in Deno

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2 Author(s)
Cetintemel, U. ; Dept. of Comput. Sci., Maryland Univ., MD, USA ; Keleher, P.

Discusses the currency management mechanisms used in Deno, a replicated-object storage system designed for use in mobile and weakly-connected environments. Deno primarily differs from previous work in implementing an asynchronous weighted-voting scheme via epidemic information flow, and in committing updates in an entirely decentralized fashion, without requiring any server to have complete knowledge of system membership. We first give an overview of Deno, briefly discussing its voting scheme, proxy mechanism, basic API and commit performance. We then present currency management mechanisms, based on peer-to-peer currency exchanges, that enable lightweight replica creation, retirement and currency redistribution while maintaining protocol correctness. We also demonstrate that peer-to-peer currency exchanges can be used to exponentially converge to arbitrary target currency distributions

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Research Issues in Data Engineering, 2000. RIDE 2000. Proceedings. Tenth International Workshop on

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