Track 4 · Messaging and Correctness
Chat Message Flow, Step by Step One Diwali wish, a family group, and one cousin stuck in a train tunnel. Walk through send, persist, publish and deliver, and see which step saves you when the network misbehaves.
Interactive 12 min read 1 interactive
PRO PASS REQUIRED
System Design Notes & 75 Sandboxes
This deep-dive architectural analysis is part of the System Design & 75 Labs pass.
Production War Stories: Battle-tested failure modes and zero-fluff trade-offs.75 Docker Sandboxes: Hands-on reproduction of replication lag, Kafka rebalances, Tatkal locks, etc.Interactive Simulators: Stepper animations, real metrics, and architecture diagrams.Architect-Level Rigour: Sizing estimates, API contracts, and schema designs.
₹499
/ 30 days full access