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Complexity is Outside the Code

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Page 1: Complexity is Outside the Code

Complexity is Outside the Code

Page 2: Complexity is Outside the Code
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security

deployment

searchUX

latency

cachingmonitoring

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Language Unix utilities

Database Algorithms

stdlib

Page 16: Complexity is Outside the Code

Language Unix utilities

Database Algorithms

stdlib

and python and ruby!

and all of github!

brew install it all!

read every thesis!so many databases!

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minimize lead time to business impact

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Working(Implemented(

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Working(Implemented(

Working(Implemented(

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minimize lead time to business impact

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sustainably minimize lead time to business impact

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Estimate

22 days

lead time?

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half month 2 months

Estimate

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5 weeks 7 weeks

Narrow the delivery risk: surface uncertainty

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Research is a first-class task.

codeexplorecode

code

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Production

Full-scale

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Research is an ongoing activity.

codeexplore explorecodeexplore

code

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?

?

??

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Kaizen is first-class work.

codeexplorecode

code

studykaizen

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code

$$

$$

long tail of uncertainty

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code

$$

$$

long tail of opportunity

kaizen

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ProgramTests

DeployMonitoringEvaluation

DatabasesFilesystemNetwork

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security

deployment

searchUX

latency

cachingmonitoring

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ProgramTests

DeployMonitoringEvaluation

DatabasesFilesystemNetwork

code

Page 41: Complexity is Outside the Code

Dan North@tastapod

Jessica Kerr@jessitron

Page 42: Complexity is Outside the Code

[1] box-arrow-box-arrow-cylinder: Ted Neward,"Rethinking Enterprise" STL JUG 12 July 2012

[2] Silver Bullet: Fred Brooks, "No Silver Bullet" http://en.wikipedia.org/wiki/No_Silver_Bullet

[3] Microservices death star: Adrian Cockroft, GOTO Chicago 2014 https://www.youtube.com/watch?v=BeNrVl2_nyI

http://en.wikipedia.org/wiki/No_Silver_Bullet
https://www.youtube.com/watch?v=BeNrVl2_nyI
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[7] plastic bags: http://econews.com.au/news-to-sustain-our-world/eu-reported-to-green-light-plastic-bag-ban/

[4] Moore's Law as tech atop tech: Ben Hammersley "The Flower, the Field, and the Stack" http://vimeo.com/51810057

[5] simulation of team: https://github.com/jessitron/teamo

[6] goal of minimize lead time: http://dannorth.net/2013/07/05/are-we-nearly-there-yet/

http://vimeo.com/51810057
https://github.com/jessitron/teamo
http://dannorth.net/2013/07/05/are-we-nearly-there-yet/
Page 44: Complexity is Outside the Code

Dan North@tastapod

Jessica Kerr@jessitron

slideshare.net/jessitron/complexity-is-outside-the-code


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