Layer 3 — Reliability

Series: Modern System Design

Layer 3 is why systems misbehave. Timeouts, retries, isolation, and consensus are how you keep a distributed system from taking itself down.

Posts

1. Timeouts

2. Retries

3. Exponential Backoff

4. Idempotency

5. Circuit Breakers

6. Bulkheads

7. Rate Limiting

8. Backpressure

9. Replication

10. Failover

11. Leader Election

12. Quorum

13. CAP Theorem

14. Consistency Models

15. Two Generals Problem

16. Byzantine Generals Problem

17. FLP Impossibility

18. PACELC

19. Split-Brain

20. Consensus: Paxos and Raft

21. Fencing Tokens and Leases

← Previous layer: Layer 2 — Communication → Next layer: Layer 4 — Data

← Back to Modern System Design