While the principles described above are widely discussed in lean literature, the definitive text on this subject is by Donald G. Reinertsen.

Do not eliminate variability; manage it. Buffer your system against extreme risks by maintaining excess capacity rather than overloading your team. 4. Reducing Batch Sizes

For a deeper dive into these principles and actionable strategies, .

To control the flow, you must control the amount of work in progress. High WIP directly correlates to long queue times.

"The Principles of Product Development Flow" by Donald G. Reinertsen is a comprehensive guide to product development, focusing on the flow of work through the development process. The book provides practical advice on how to optimize the development process, manage queues, and make better decisions.

establishes a predictable, rhythmic heartbeat for the team (e.g., bi-weekly sprints or releases). It lowers the cognitive overhead of planning.