This article discusses the implementation of an asynchronous communication mechanism that respects scalability, asynchronous communication, and statelessness requirements for utilizing user notifications. The author outlines the use of SignalR, RabbitMQ, and Redis to create a user notification system. The article further goes into detail about the services functionality and the redis mechanism, and the brokers role in publishing notification messages. The librarys link is also given in the article for those wanting to learn more. Overall, the article provides insights into designing an optimal user notification system through the use of the recommended tech stack.