Integrating multiple systems in a point to point manner can be very time consuming and expensive to maintain. One common approach to resolve this issue is to introduce an Enterprise Service Bus (ESB), which replaces the point to point approach with a single, centralized place to integrate systems, and does so in a service-oriented manner. However, if done incorrectly, this can still create maintenance headaches. Here is a look at a pattern that can “future proof” your integration work, allowing for the upgrading or replacement of legacy systems without excessive additional...