Distributed Systems Deep Dive: Consensus & Failure

Question

Discuss distributed-systems fundamentals (as used in infrastructure tools like Consul, Nomad, and Vault).

What this round covers

• Raft: leader election, log replication, safety
• CAP trade-offs in your design
• Gossip protocols for membership
• Idempotency and exactly-once in the face of retries

Tips

Show depth on consensus, failure detection, and consistency models.