As mentioned earlier, application integration is key for any enterprise to achieve a comprehensive set of functionalities spanning multiple discrete applications. To achieve this, applications need to share information in a timely manner. A messaging system is one of the most commonly used mechanisms for information exchange in applications.
The other mechanisms used to share information could be remote procedure calls (RPC), file share, shared databases, and web service invocation. While choosing your application integration mechanism, it is important that you keep in mind the guiding principles discussed earlier. For example, in the case of shared databases, changes done by one application could directly ...
