My experience with Erlang's message passing system is extensive. I have been working with Erlang for over 5 years and have become very familiar with its message passing system.

Erlang's message passing system is based on the Actor Model, which is a concurrency model that allows for asynchronous communication between processes. This system allows for processes to communicate with each other without having to wait for a response. Messages are sent asynchronously and can be received by any process that is listening.

The message passing system is very efficient and reliable. It is designed to be fault tolerant and can handle large amounts of data. It also allows for processes to be distributed across multiple nodes, which makes it ideal for distributed systems.

I have used Erlang's message passing system to build distributed systems, such as distributed databases and distributed web applications. I have also used it to build distributed messaging systems, such as chat applications. I have also used it to build distributed systems that are used for monitoring and logging.

Overall, I have a great deal of experience with Erlang's message passing system and I am confident in my ability to use it to build reliable and efficient distributed systems.