Achieving business agility and the benefits of Lean-Agile development at scale is a Major effort, SAFe is a knowledge base of proven, integrated principles, practices, and competencies for achieving business agility.
Before realizing SAFe’s rewards, organizations must embrace a Lean-Agile Mindset and understand and apply Lean-Agile principles. They must identify their Portfolio(s), Value Streams, and Agile Release Trains (ARTs) and, of course, the culture must evolve as well.
The transformation of an organization towards full business agility requires the change of leadership acumen to create persistent people practices and the mindset needed to support the change.
Here is a good case study of applying SAFe for a large complex product development. This case study describes the problem statement, approach and business results achieved.