What is a primary benefit of using messaging in system integration?

Using messaging in system integration provides the primary benefit of asynchronous communication between systems. This is important because it allows different systems to operate independently without needing to wait for responses from one another, enhancing overall system performance and scalability. Asynchronous communication facilitates processing tasks in parallel, enabling systems to handle more requests simultaneously without being bottlenecked by slow or unresponsive components.

In addition, this approach helps to decouple the systems involved in the integration, meaning that changes or failures in one system do not directly impact others. This kind of integration supports robust system architectures where components can evolve independently, leading to increased flexibility and resilience in the overall system design.

The other choices, while they can be advantages in certain contexts, do not encapsulate the core benefit of messaging. For instance, reduced development time and lowered integration costs can vary significantly depending on the specific architecture and design mechanisms implemented. Improved user experience is also an important factor but is more a result of effective integration rather than a direct benefit of messaging itself. Thus, the capacity for asynchronous communication stands out as the definitive primary advantage of utilizing messaging in system integration.