As enterprises modernize their IT landscapes, asynchronous communication becomes a cornerstone of scalable, resilient, and loosely coupled architectures. In the context of SAP Cloud Platform (now SAP Business Technology Platform - BTP), message queues and message persistence play a critical role in enabling reliable, fault-tolerant integration scenarios.
This article explores the fundamentals of working with message queues and message persistence within SAP Cloud Platform, highlighting their importance, usage, and best practices.
A message queue is a middleware component that enables asynchronous message exchange between producers (senders) and consumers (receivers). It decouples the communication so that the sender can dispatch messages without waiting for the receiver to process them immediately.
In SAP Cloud Platform, message queues are integral to integration patterns that require guaranteed delivery, load leveling, and temporal decoupling of processes.
Message persistence refers to the ability of a messaging system to save messages reliably so they are not lost in case of failures (e.g., system crashes, network issues). Persistent messages are written to stable storage, such as databases or disk systems, until they are confirmed as delivered.
In SAP Cloud Platform Integration (CPI) and SAP Integration Suite, persistence ensures that messages involved in complex integrations are not lost during transit and can be recovered or retried if failures occur.
SAP BTP offers several messaging options that support queues and persistence:
SAP Event Mesh is a fully managed event-driven messaging service built on open protocols such as AMQP and MQTT. It provides:
Within SAP CPI, message queues handle asynchronous processing of integration flows, especially when combined with the messaging and retry mechanisms embedded in the platform.
Message queues and message persistence are foundational components in SAP Cloud Platform’s integration capabilities. By enabling reliable, asynchronous communication, they help organizations build resilient, scalable, and loosely coupled systems that meet modern business demands.
Mastering these concepts within SAP BTP empowers integration architects and developers to design robust integration flows that ensure data integrity and system availability across complex hybrid and cloud landscapes.