Have you had experience working with message processing systems that use asynchronous communication via a broker?

Yes, I have experience working with message processing systems through brokers. Such systems use asynchronous communication, where the sender places a message in the broker's queue, and the receiver retrieves it for processing.

Popular brokers include: RabbitMQ, Apache Kafka, ActiveMQ.

Advantages of this approach:

• Decoupling system components.
• Increased fault tolerance.
• Scalability.

Example in Python using the pika library for RabbitMQ:

import pika

connection = pika.BlockingConnection(pika.ConnectionParameters('localhost'))
channel = connection.channel()
channel.queue_declare(queue='task_queue', durable=True)

channel.basic_publish(exchange='', routing_key='task_queue', body='Hello World!',
                      properties=pika.BasicProperties(delivery_mode=2))
print(" [x] Sent 'Hello World!'")
connection.close()

This code sends a message to the queue, which can then be processed asynchronously.