DDOS: Taming Nondeterminism in Distributed Systems

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Provided by: Association for Computing Machinery
Topic: Security
Format: PDF
Non-determinism complicates the development and management of distributed systems, and arises from two main sources: the local behavior of each individual node as well as the behavior of the network connecting them. Taming non-determinism effectively requires dealing with both sources. This paper proposes DDOS, a system that leverages prior work on deterministic multithreading to offer: space-efficient record/replay of distributed systems; and fully deterministic distributed behavior. Leveraging deterministic behavior at each node makes outgoing messages strictly a function of explicit inputs.
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