The Scaled Agile Framework (pronounced “SAFe”) is a proven knowledge base for implementing agile practices at enterprise scale. Its primary user interface is a “Big Picture” graphic which highlights the individual roles, teams, activities and artifacts necessary to scale agile from the team, to teams of teams, to the enterprise level.
Team, Program and Portfolio. Each of these scales the essential agile elements of Value (requirements and backlogs)Teams (from development team through portfolio) and Timebox (iteration, PSI, budget cycle). This model of agile adoption has been elaborated primarily in Dean Leffingwell’s books Agile Software Requirements: Lean Requirements for Teams Programs and the Enterprise (2011) and Scaling Software Agility: Best Practices for Large Enterprises, (2007) and his scalingsoftwareagility blog.