Pedro Arantes
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The Kanban System Doesn't Make Assumptions About the Location of Bottlenecks

Such a system is well-suited for the stochastic bottlenecks of product development.
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Zettelkasten, November 07, 2022.

Notes

The Kanban system doesn't make assumptions about the location of bottlenecks, compared to a TOC system, because any emergent bottleneck will begin to send a control signal that throttles its upstream process.

The advantage is that you don't need to know which process is the constraint, and any process can be the constraint at any time. Such a system is well-suited for the stochastic bottlenecks of product development.

Once a blockage occurs anywhere, the system stabilizes with each upstream process stopped (it can't forward the work because of the Kanban pull principle) and holding its maximum WIP. When the bottleneck regains capacity, there are no WIP-starved processes, and smooth flow begins immediately.

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