Architecture Digest

Jul 3, 2026 · Cloud Native

Dissecting Nacos 3.x Distro Protocol: The Distributed Design Behind the 1000 ms Delay

The article deep‑dives into Nacos 3.x’s custom Distro protocol, explaining why Alibaba created it, how its three‑layer architecture, two‑stage delayed‑merge task model, responsibility sharding, periodic version verification, full‑snapshot loading for new nodes, and fixed‑delay retry together achieve low‑latency, message‑efficient AP synchronization for service registration.