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Foundations
- Value Stream
- The sequence of steps an organization uses to deliver value to a customer, from trigger to outcome.
- Organizing Around Value
- Structuring the organization around value streams rather than functional silos to improve flow and outcomes.
- Why Value Streams
- Seeing and improving the end-to-end flow of value reveals delays and waste that org charts hide.
- Flow
- The smooth, uninterrupted movement of value through the stream from idea to delivery.
Types
- Operational Value Stream (OVS)
- The steps and people that deliver value to customers directly, such as processing an order or claim.
- Development Value Stream (DVS)
- The activities used to build the solutions that operational value streams rely on.
- OVS vs. DVS
- Operational streams run the business; development streams build and improve the systems that enable them.
- Solutions
- The products and systems a development value stream creates to support operational value streams.
Identification
- Value Stream Identification
- A workshop to discover the operational and development value streams in a business domain.
- Identifying Operational Value Streams
- Mapping how the business delivers value to customers to find the operational streams.
- Identifying Development Value Streams
- Determining the systems and the people who build them that support each operational stream.
- Triggers and Outcomes
- Defining the start (trigger) and end (value delivered) that bound a value stream.
Mapping
- Current-State Map
- A map of how the value stream works today, including steps, handoffs, and wait times.
- Future-State Map
- A redesigned value stream that removes waste and improves flow, serving as the improvement target.
- Lead Time and Process Time
- Total elapsed time versus active work time, used to quantify flow and waste.
- Percent Complete & Accurate
- How often work passed downstream is usable without rework, revealing quality problems.
Analysis
- Bottlenecks
- The constraints that most limit flow; improving them yields the greatest gain.
- Handoffs and Delays
- Transfers and waits between steps that add lead time and risk; targets for improvement.
- Waste
- Activities that add no customer value, which the workshop helps identify and eliminate.
Designing ARTs
- From Value Streams to ARTs
- Using development value streams to design Agile Release Trains organized around the flow of value.
- Sizing and Structuring
- Forming trains and teams around value streams to minimize dependencies and handoffs.
Applying It
- Improvement Roadmap
- Turning future-state maps into a prioritized plan of improvements to implement.