uBFT

Microsecond-scale BFT using Disaggregated Memory

uBFT is a BFT state-machine replication protocol that achieves microsecond-scale latency by offloading agreement state to disaggregated RDMA memory accessible to all replicas. By replacing message-passing rounds with direct RDMA reads and writes, it reduces the critical-path latency of BFT consensus to under ten microseconds while maintaining standard safety and liveness guarantees under f Byzantine faults out of 3f+1 replicas.