When you are Agile you get Lean How Agile reduces waste in software develpment

When you are Agile you get Lean

How Agile reduces waste in software develpment

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Value stream


The seven lean wastes

12

345

6

7

Over-production

Work in process

Waiting

Motion

Transportation

Rework, defects

Over-processing

Lean Waste


Over-production


Over-production in software

Unused features


Dynamic requirements backlog


Work in process


Software work in process


Early & frequent release


Iterative development


Waiting


Waiting in software development


Pair programming


Motion


Motion in software


Single team assignment

• 100% dedicated to one project

• Protect team from interruptions

• Team organizes their own work


Transportation


Transportation in software


• User stories • Co-location• Business collaboration • Small team size• Cross-functional teams

Transportation in software


Defects or rework


Software defects


Defects in software (Barry Boehm)


• Don’t break the build • Test-driven development • Definition of done

Never defer fixing a defect


Over-processing


• Gold-plated documentation• Duplicative approvals• Design reviews that don’t result in

improvements• Overly-precise estimates

Over-processing in software


Just in time work realization


Three lean principles

• Deploy as soon as possible – Never defer a fix

• Defer decisions to the last responsible moment– Do just enough and no more

• Unleash team power – Don’t underutilize creative brain power – The team is the unit of production


Questions

Documents

When you are Agile you get Lean How Agile reduces waste in software develpment