Technical Report: Asymmetric Mutual Exclusion for RDMA

08/19/2022

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by   Jacob Nelson-Slivon, et al.

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Coordinating concurrent access to a shared resource using mutual exclusion is a fundamental problem in computation. In this paper, we present a novel approach to mutual exclusion designed specifically for distributed systems leveraging a popular network communication technology, remote direct memory access (RDMA). Our approach enables local processes to avoid using RDMA operations entirely, limits the number of RDMA operations required by remote processes, and guarantees both starvation-freedom and fairness.