asynchronous message server amqp qnx

 https://www.qnx.com/developers/docs/6.5.0SP1.update/com.qnx.doc.neutrino_technotes/async_messaging.html

https://www.cloudamqp.com/blog/asynchronous-communication-with-rabbitmq.html

Asynchronous message-based communication  Message Queue

Advanced Message Queuing Protocol

RTOS QNX Neutrino's asynchronous messaging

https://en.wikipedia.org/wiki/QNX