Lean Software

Intro for Managers

You do know these are end

to end features

The Networking Metaphor…

Cut Through vs Store and Forward

Packet size

Optimize the bottlenecks

Congestion Avoidance

Prefer as few hops / layers as possible

More?

Focus on Value and Time

Make value flow

Eliminate waste that slows down flow the most

Manage Cycle Time

Quality drives Flow…

Value Stream Mapping

http://www.youtube.com/watch?v=oA_YSyBkhiM

Value Stream Mapping

Limit work to Capacity

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Alistair Cockburn

Cumulative Flow

Agilemanagement.net

Focusing on the Bottleneck

Summary – How to reduce Cycle Time Even out the arrival of work Minimize the number of things in process Minimize the size of things in process Limit work to capacity Use pull scheduling Build Quality In – Reduces variation and

Defect/Rework wastes/delays.

Improving flow -> Improved Quality Reduced Cost

Management Role Design the system/process Policies that can be

distributed for effective Delegation/Empowerment

Manage the behaviour of system/process Find and Address Tough

Impediments

Whole-System Thinking Beyond the

Functions/Silos…

Take AwaysMove to Feature-driven product development

Use Kanban system to improve key processes

Start managing Cycle Time and Work in Progress

Limit WIP to catalyze improvements