“There are two types of bottlenecks: capacity constrained and non-instant variability. Here´s how to approach them.”

Book Cover: "Kanban: Successful Evolutionary Change for Your Technology Business" by David J. Anderson

The Two Types of Bottlenecks


  • Capacity Constrained: unable to do more work
  • Non-Instant availability: limited capacity due to  limited (but usually predictable) availability

Strategies to Handle Bottlenecks

Generally bottlenecks perform well below their potential capacity. It is therefore recommended to follow the The Five Focus Steps of the Theory of Constraints in order to improve their efficiency.

For both types of bottlenecks protection by adding buffers is a common strategy.

Other exploitations strategies involve the change of policies or using classes of service.

Non-Instant Availability Ressources

Non-instant availability resources are not, strictly speaking, bottlenecks. […] The actions taken in response to non-instant availability problems with flow are remarkably similar to those for a capacity-constrained ressource. […] As a general rule, when encountering non-instant availability problems, think about how to improve the availability. The ultimate is to turn a non-instant availability problem into an instantly available resource.



Kanban: Successful Evolutionary Change for Your Technology Business by David J. Anderson, Chapter 17 Bottlenecks and Non-Instant Availability

This blog is a digital memory for me. I store nuggets of information, ideas and resources on these pages so that I can access and share them easily at any time, from everywhere. I always felt a strong passion for continuous improvement and that is why I am now super happy to be a professional Scrum Master. Scrum, Kanban, Agile Project Management, Coaching, Learning and Self Management are my passions and that is also what my blog is about ...

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