Delivering an enriched customer experience requires a new digital architecture running alongside legacy systems.

Unlike enterprises that are born digital, traditional companies don’t have the luxury of starting with a clean slate; they must build an architecture designed for the digital enterprise on a legacy foundation.

A two-speed IT architecture will help companies develop their customer-facing capabilities at high speed while decoupling legacy systems for which release cycles of new functionality stay at a slower pace.

Oliver Bossert, Chris Ip, and Jürgen Laartz
A two-speed IT architecture for the digital enterprise
McKinsey Insights, December 2014