Implementing product development flow can be challenging, especially in organizations that are used to traditional waterfall approaches to product development. Some of the challenges include:
Every technical decision must map to an economic outcome. Teams must calculate the financial impact of trade-offs between cycle time, product cost, development cost, and performance. The most critical metric here is the , which quantifies the financial penalty of delivering a product late. 2. Queue Management
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Reinertsen organizes his 175 principles into eight major themes:
To control queues, teams must implement strict Work-in-Progress (WIP) limits. By restricting the amount of active work allowed in each stage of development, teams force themselves to finish existing tasks before starting new ones. 4. Exploiting Variability with Small Batch Sizes
Keeping user needs at the center of development.
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Delayed feedback causes teams to build on top of flawed assumptions. Short feedback loops correct errors early, when they are still cheap to fix. 7. Decentralized Control
To effectively implement these principles, organizations must focus on several key factors: