Legacy Modernization in the World of APIs, DevOps, and Microservices

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19 February 2019

How has legacy modernization changed to fit the new architecture?

Key research questions

  • What does a modern architecture look like, and how does it enable innovation?
  • What defines legacy?
  • Is building a new digital company from scratch the only way to be a truly modern digital enterprise?


In this report, Celent has shown that there are routes to leverage legacy and be digital, to make the big, slow elephant dance. A pragmatic approach is possible and can benefit from the automation and speed seen in new digital systems.

Much of the focus on digital transformation in financial services is on customer-facing, external channels when in fact, substantive transformation opportunities lie across front, middle, and back offices. To serve fast-moving customers with changing expectations, financial institutions must achieve a new level of agility and automation.