Useful Lean Tools: Value Stream Mapping and Kanban

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Some Useful Lean Tools: Value Stream Mapping and Kanban

Incontro DevOps Italia, Bologna 21 feb 2014

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agile42 | The Agile Coaching Company www.agile42.com | All rights reserved. Copyright © 2007 - 2012.agile42 | We advise, train and coach companies building software | www.agile42.com | Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License

About me

Roberto Bettazzoni

Agile Coach eXtreme Programming Trainer

[email protected] linkedin.com/in/robertobettazzoni @bettazzoni

mailto:[email protected]?subject=

http://www.linkedin.com/in/robertobettazzoni

agile42 | The Agile Coaching Company www.agile42.com | All rights reserved. Copyright © 2007 - 2012.

Lean Thinking

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agile42 | The Agile Coaching Company www.agile42.com | All rights reserved. Copyright © 2007 - 2012.agile42 | We advise, train and coach companies building software www.agile42.com | All rights reserved. Copyright © 2007 - 2010.

Ove

rbur

den

(無理

: mur

i) do not overload your

People

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Unnecessary Variations (斑: mura) keep the Flow

Even

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Wasteful Activities (無駄: muda)

remove non value adding

Activities�6


Value Stream Map

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Request !

Value Stream Map: from concept to cash

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Request !

Analysis !

Design !

Review !

Approval !

Approval !

Tech Reqts !

Deploy !

Test !

Code !


�9


Request 5 days

Analysis 10 days

Design 10 days

Review 1 day

Approval 1 day

Approval 1 day

Tech Request 8 days

Deploy 2 days

Test 10 days

Code 15 days


�10


Request 5 days

Analysis 10 days

Design 10 days

Review 1 day

Approval 1 day

Approval 1 day

Tech Request 8 days

Deploy 2 days

Test 10 days

Code 15 days

20d

5d

10d15d

5d5d

5d

2d

10d

2X

2X


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Request 5 days 0.2 FTE

Analysis 10 days 0.5 FTE

Design 10 days 0.5 FTE

Review 1 day 0.5 FTE

Approval 1 day 1 FTE


Tech Request 8 days 0.5 FTE

Deploy 2 days 1 FTE

Test 10 days 0.5 FTE

Code 15 days 1.5 FTE

20d

5d

10d15d

5d5d

5d

2d

10d

2X

2X


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Request 5 days 0.2 FTE

Analysis 10 days 0.5 FTE

Design 10 days 0.5 FTE

Review 1 day 0.5 FTE



Tech Request 8 days 0.5 FTE

Deploy 2 days 1 FTE

Test 10 days 0.5 FTE

Code 15 days 1.5 FTE

20d

5d

10d15d

5d5d

5d

2d

10d

2X

2X


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Value added Time = 99 days!Wait Time = 87 days!

Value/Total Ratio = 53%

Value added Time = 78 days!Wait Time = 106 days!

Value/Total Ratio = 42%

Total time elapsed = 186 days


Value Stream Map - Bug Fixing

16 sept. 3 hr0.2 hr 1.5 hr 4 hr12 hr 1.5 hr

2 days 8 days 2 days 3 days 3 days

Error report

Bug Open

Status Urgent

Web UI Fix

Server Code Fix

Tests Deploy


Value Stream Map - Bug Fixing

2 days 5 days 2 days 3 days 3 days

Value added Time = 22 hr

Wait Time = 15 days

16 sept. 3 hr0.2 hr 1.5 hr 4 hr12 hr 1.5 hr

Error report

Bug Open

Status Urgent

Web UI Fix

Server Code Fix

Tests Deploy

Value/Total = 18 %


Value Stream Map - Manufacturing


Pull PrincipleAllows self-organizing teams to pull in work and knowledge as needed in order to deliver valuable quality software

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Kanban

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kanban Kanban 1950 2004


Kanban Foundational Principles

•Start with what you do now •Agree to pursue incremental, evolutionary change •Initially respect the current roles, responsibilities and job

titles •Encourage acts of leadership at all levels, from individuals

contributors to senior management

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Kanban’s 6 core practices...

1.Visualize your actual workflow 2.Limit WIP 3.Measure & Optimize Flow 4.Define explicit policies 5.Implement feedback loops 6.Improve collaboratively, using safe-to-fail experiments

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NextDev

Test

Backlog 32 In production :o)

Ongoing

Scenario 1 – one piece flow

B

C

A

D

E

F

G

H IJ L

KM


NextDev

Test


Ongoing

Scenario 1 – one piece flow.

B

C A

D

E

F

G

H IJ L

KM


NextDev

Test


Ongoing

Scenario 2 – Deployment problem

B

C

A

D

E

F

G

H IJ L

KM

PO


DevBacklog 3

2 In production :o)Ongoing


B

C A

D

E

F

G

H IJ L

KM

NextPOTest


DevBacklog 3



B

C A

D

F

G

H IJ L

KM

!?

E

NextPOTest


DevBacklog 3



B

C

A

D

EF

G

H IJ L

KM

!?

NextPOTest


DevBacklog 3



B

C

A

D

EF

G

H IJ L

KM

NextPOTest


DevBacklog 3



B

A

D

EF

G

H IJ L

KM

C

PO NextTest


DevBacklog 3



B

AD

EF

G

H IJ L

KM

C

NextPOTest


Kanban

It is not a framework, neither a process, but a tool.

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Thank you

Roberto Bettazzoni [email protected] @bettazzoni

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mailto:[email protected]

Useful Lean Tools: Value Stream Mapping and Kanban

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