Acuerdo: Fast Atomic Broadcast over RDMA
Joseph Izraelevitz, Gaukas Wang, Rhett Hanscom, Kayli Silvers, Tamara Silbergleit Lehman, Gregory V. Chockler, Alexey Gotsman · 2022
Atomic broadcast protocols ensure that messages are delivered to a group of machines in some total order, even when some of these machines can fail. These protocols are key to making distributed services fault-tolerant, as their total order guarantee allows keeping multiple service replicas in sync. But, unfortunately, atomic broadcast protocols are also notoriously expensive.