NATS Messaging Overview NATS is a lightweight, high-performance messaging system for distributed applications. Simpler than Kafka, faster than RabbitMQ, with built-in persistence (JetStream), key-value store, and object store. Single binary, zero dependencies, runs anywhere. When to Use - Microservice-to-microservice communication (events, commands, queries) - Real-time data streaming with persistence and replay - Distributed key-value store without running Redis - Request/reply patterns (synchronous messaging over async transport) - Replacing Kafka/RabbitMQ in small-to-medium deployments Ins…