> but a slack like service like XMPP/Matrix/Kafka? sound way simpler than having servers message each other directly This is called an Enterprise Service Bus a

> but a slack like service like XMPP/Matrix/Kafka? sound way simpler than having servers message each other directly This is called an Enterprise Service Bus and got its start in the early 2000s when you started to have the first batches of programmers entering the workforce who could write code to build business apps but didn't really "get" computers and networks. TIBCO made billions selling it and facilitating .NET apps talking to Java apps talking to random Oracle things.