Explanation
Microsoft Azure Service Bus is a fully managed enterprise integration message broker. Service Bus is most commonly used to decouple applications and services from each other, and is a reliable and secure platform for asynchronous data and state transfer.
One common messaging scenario is Messaging: transfer business data, such as sales or purchase orders, journals, or inventory movements.
References:
https://docs.microsoft.com/en-us/azure/service-bus-messaging/service-bus-messaging-overview