Steps 1-4 are critical to making sure that your digital strategy implementation is in line with the business’ goals and addresses its immediate needs. They will also prove to be useful in the testing/feedback phase, where expectations and the system don’t always match up.
By being as explicit as possible, you give yourself the best chance at success!
In essence, steps 5-8 (sometimes 3-8) take a more cyclical approach, where the larger project is broken down into smaller iterations known as sprints, each with its own Build, Testing, Change Management, and Go-Live phase.
Agile is gaining traction as the preferred methodology for many customers as it allows flexibility in prioritizing developments and enhancements on different parts of the system in near-real-time!