Message queues are intermediary storage mechanisms enabling asynchronous communication in distributed systems by decoupling producers from consumers. Key patterns include point-to-point, publish-subscribe, request-reply, and dead letter queues. Benefits include scalability, reliability, fault tolerance, and flexibility, while challenges involve complexity, latency, message ordering, and duplicate handling. Common implementations include Apache Kafka, Azure Service Bus, and Google Cloud Pub/Sub. Use cases span microservices communication, background job processing, event-driven architectures, and handling traffic spikes.
Table of contents
TL;DRSort: