Why should a bank adopt a coexistence model?

We believe that coexistence is the best approach for de-risking the process of transition from legacy to modern technology. There isn’t a bank board alive that embraces the idea of Big Bang transition from one system to another.  We’ve all seen the failures that have come out of that approach over the years.

So we talk about coexistence as a controlled way of migrating your technology, your thinking, your business processes, your staff and skills, to launch new products and services.

Coexistence allows a secondary core alongside legacy to drive innovation and then migrating legacy over time in a controlled manner. Nelson explains…