Message queues, pub-sub, reliability, and async communication
Reliable communication between services using queues.
channel.basic_publish(exchange="", routing_key="tasks", body="Process order")
Pub/Sub, fanout exchanges, dead letter queues.
| Pattern | Use Case |
|---|---|
| Queue | Load distribution |
| Topic | Pub/Sub |
Kafka, AWS SQS/SNS, Azure Service Bus at scale.
Handles millions of messages per second