NATS
In plain terms
A lightweight, high-performance messaging system.
Going deeper
NATS provides fast publish-subscribe and request-reply messaging with simplicity and low latency, suited to cloud-native systems. It prioritizes speed and simplicity.
Under the hood
Core NATS is fire-and-forget; JetStream adds persistence. Very fast with a tiny footprint.
Examples
Cloud-native messaging, microservices, IoT, pub/sub, low-latency systems.
Think of it like...
Like a super-fast intercom system for services to talk instantly.