The document discusses the principles of agile driven development, including that projects have become shorter but more complex, requiring a user-centric approach. It outlines the agile manifesto which values individuals, working software, customer collaboration and responding to change over documentation, contracts and strict plans. Key principles of agile include open communication, incremental changes and rapid feedback. Success requires teamwork, quality assurance, resolving dependencies, and software integration and availability through continuous builds. A combined approach uses both rolling wave and agile planning with high-level milestones and detailed iterations.