PrinciplesOfProductDevelopmentFlow.ApplyingWipConstraints

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> Constrain WIP to control cycle time and flow
 * W1:    The Principle of WIP Constraints**

> WIP constraints force rate-matching
 * W2:    The Principle of Rate-Matching**

> Use global constraints for predictable and permanent bottlenecks
 * W3:    The Principle of Global Constraints**

> If possible, constrain local WIP pools
 * W4:    The Principle of Local Constraints**

> Use WIP ranges to decouple the batch sizes of adjacent processes
 * W5:    The Batch Size Decoupling Principle**

> Block all demand when WIP reaches its upper limit
 * W6:    The Principle of Demand Blocking**

> When WIP is high, purge low-value projects
 * W7:    The Principle of WIP Purging**

> Control WIP by shedding requirements
 * W8:    The Principle of Flexible Requirements**

> Quickly apply extra resources to an emerging queue
 * W9:    The Principle of Resource Pulling**

> Use part-time resources for high variability tasks
 * W10:    The Principle of Part-Time Resources**

> Pull high-powered expets to emerging bottlenecks
 * W11:    The Big Gun Principle **

> Develop people who are deep in one area and broad in many
 * W12:    The Principle of T-Shaped Resources **

> Cross-train resources at adjacent processes
 * W13:    The Principle of Skill Overlap **

> Use upstream mix changes to regulate queue size
 * W14:    The Mix Change Principle **

> Watch the outliers
 * W15:    The Aging Principle **

> Create a preplanned escalation process for outliers
 * W16:    The Escalation Principle **

> Increase throttling as you approach the queue limit
 * W17:    The Principle of Progressive Throttling **

> Differentiate quality of service by workstream
 * W18:    The Principle of Differential Service **

> Adjust WIP constraints as capacity changes
 * W19:    The Principle of Adaptive WIP Constraints **

> Prevent uncontrolled expansion of work
 * W20:    The Expansion Control Principle **

> Constrain WIP in the section of the system where the queue is most expensive
 * W21:    The Principle of the Critical Queue **

> Small WIP reductions accumulate
 * W22:    The Cumulative Reduction Principle **

> Make WIP continuously visible
 * W23:    The Principle of Visual WIP**

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