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Remote Direct Memory Access (RDMA) is becoming widely available in data centers. This technology allows a process to directly read and write the memory of a remote host, with a mechanism to control access permissions. In this paper, we study the fundamental power of these capabilities. We consider the well-known problem of achieving consensus despite failures, and find that RDMA can improve the inherent trade-off in distributed computing between failure resilience and performance. Specifically,doi:10.1145/3293611.3331601 dblp:conf/podc/AguileraBGMZ19 fatcat:ijm6ini3lrahpgzvorlodnk6e4