Source: itproportal.com. Organisations have a mix of legacy and advanced systems. Regardless of the race towards digitalisation, it is impossible to rip and replace legacy systems, entirely. Primary blocker is the dependency on the system status quo to generate revenue and difficulty of making changes on a running system. Next hurdle is the lost knowledge of systems and applications because people who built them moved on. But legacy systems should not prevent enterprises from competing in the digital age. The legacy