Cloudflare picks QuePaxa, an unproven consensus algorithm, for Meerkat service
sull · x · 2026-11-11
Cloudflare announced Meerkat, an experimental consensus service managing its internal global control plane, powered by QuePaxa — a consensus algorithm never deployed before, unlike industry-standard Raft, Paxos, or Viewstamped Replication.
Key points from the 21-minute deep dive:
- Common algorithms rely on a single leader with predictable latency; on volatile wide-area networks, leader failure or latency spikes slow down or break consensus entirely
- QuePaxa makes progress without depending on a leader, offering better stability under volatility
- The post explains how Meerkat's consensus-powered log keeps replicas from diverging and how the QuePaxa algorithm works
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