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Distributed Agile: An Oxymoron? - Pat Kua...Agile Manifesto Principles Business people and...
Transcript of Distributed Agile: An Oxymoron? - Pat Kua...Agile Manifesto Principles Business people and...
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Agile = Co -locatedAgile = Co -located
© ThoughtWorks 2008
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Agile Manifesto Principles
Business people and developers must worktogether daily throughout the project.
The most efficient and effective method ofconveying information to and within a development
team is face-to-face conversation.
© ThoughtWorks 2008
On-site customer
Collective CodeOwnership
XP Practices
Osmotic Communication
Easy access toexpert users
Crystal Clear(principles)
Active user involvement
DSDM (principles)
Unnecessary Movement
Lean Software Development
WaitingUnnecessary Transportation
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Agile = Co-located
© ThoughtWorks 2008
Distributed = Different locations
Distributed Agile = An Oxymoron?
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Enterprise Software
Large
SometimesDistributed
Business critical
Enterprise Software
© ThoughtWorks 2008
ComplexHeavily dependent
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Our experience…
Large
Business critical
SometimesDistributed
Our experience…
© ThoughtWorks 2008
ComplexHeavily dependent
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Distributed development looks easy
© ThoughtWorks 2008
Distributed development looks easy
(a slightly fictional story)
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Once upon a time…Once upon a time…
© ThoughtWorks 2008
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there was a team…there was a team…
© ThoughtWorks 2008
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© ThoughtWorks 2008
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working together on the same project…working together on the same project…
© ThoughtWorks 2008
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……
……
Same project at the same location
© ThoughtWorks 2008
…… ……
……
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everyone understood each other…everyone understood each other…
© ThoughtWorks 2008
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© ThoughtWorks 2008
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some people wanted the project distributed…some people wanted the project distributed…
© ThoughtWorks 2008
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= ££££££
+= ££ + $$$$
© ThoughtWorks 2008
= ½ £££
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(of course, it might be more than just £££s)(of course, it might be more than just £££s)
© ThoughtWorks 2008
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they started work with new people in another place...
© ThoughtWorks 2008
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© ThoughtWorks 2008
New
NewNew
New
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life was great!life was great!
© ThoughtWorks 2008
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they would talk over the phone...they would talk over the phone...
© ThoughtWorks 2008
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……
…… ……
© ThoughtWorks 2008
……
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and send email...and send email...
© ThoughtWorks 2008
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© ThoughtWorks 2008
type type type…
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sometimes things would take some time...sometimes things would take some time...
© ThoughtWorks 2008
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I wonder what Jane meant by I wonder what Jane meant by
© ThoughtWorks 2008
Jane meant by that. I better send
an email...
Jane meant by that. I better send
an email...
… what’s the gobbleflux about …
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That’s an easy one.
Here you go.
That’s an easy one.
Here you go.
… Gobbleflux? Onthe left …
© ThoughtWorks 2008
the left …
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© ThoughtWorks 2008
On the left?
On the left?
… on the left of what? …
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something that should have been ten minutessomething that should have been ten minutes
© ThoughtWorks 2008
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stretches to several days...stretches to several days...
© ThoughtWorks 2008
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!!!!!!
… To the left ofthe widget …
© ThoughtWorks 2008
the widget …
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There’s a widget?
There’s a widget?
She’s not even
She’s not even
© ThoughtWorks 2008
widget?widget?
… What widget are you talking about? …
not even trying...not even trying...
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Why doesn’t he understand?
Why doesn’t he understand?
… The breadcrumbswidget …
© ThoughtWorks 2008
widget …
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things continue like that for three months...things continue like that for three months...
© ThoughtWorks 2008
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until...until...
© ThoughtWorks 2008
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I can’t wait to see...I can’t wait to see...They’re going to be impressed by this...They’re going to be impressed by this...
© ThoughtWorks 2008
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A KEY LESSON
every physical boundary increases noise
© ThoughtWorks 2008
every physical boundary increases noise
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© ThoughtWorks 2008
http://www.agilemodeling.com/essays/communication.htm
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© ThoughtWorks 2008
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cost of distributed development
© ThoughtWorks 2008
cost of distributed development
(is more than just people)
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A more realistic formula
= ££££££+
= ££ + $$$$
½On-shore Distributed
© ThoughtWorks 2008
= ££££££ = ££ + $$$$+ Cost of (timely response and shared understanding)
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Challenges of Distributed Development
Timely decisions
Trust and rapport
Visibility into progress
© ThoughtWorks 2008
Challenges of Distributed DevelopmentLook familiar?
Shared understandingWorking in the same way
It’s (almost) the same as co-located development... just much harder.
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Must haves for successful distributed development
Division by role
Functional teams
© ThoughtWorks 2008
Analysts Developers Testers Infrastructure
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Must haves for successful distributed development
© ThoughtWorks 2008
Cross functional teamsDivision by feature, not by role
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Must haves for successful distributed development
© ThoughtWorks 2008
Excellent relationship with the business
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Must haves for successful distributed development
© ThoughtWorks 2008
Speedy Escalation Paths
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Must haves for successful distributed development
Shared Culture
© ThoughtWorks 2008
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Example: Sharing culture
© ThoughtWorks 2008
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Must haves for successful distributed development
© ThoughtWorks 2008
Shared Environments
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Must haves for successful distributed development
Shared sense of 3 P’s (Purpose, Priority, Plan)
© ThoughtWorks 2008
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Must haves for successful distributed development
© ThoughtWorks 2008
Frequent software demos
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Must haves for successful distributed development
Continuous Reflection and Improvement
© ThoughtWorks 2008
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Must haves for successful distributed development
© ThoughtWorks 2008
Frequent visits
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Must haves for successful distributed development
Cross functional teams
Excellent relationship with the businessSpeedy Escalation Paths
Shared cultureShared environments Shared purpose, priority, plan
© ThoughtWorks 2008
Shared purpose, priority, plan
Frequent showcases Continue Reflection and improvement
Frequent visits
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Good practices still hold
Tools that support distributed teams
Agile development practices
JIRA
Good practices still hold
© ThoughtWorks 2008
Visibility and transparencyof informationFace to face time
Frequent rotationPrinciples ofgood teams
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Conclusion
Distributed Agile: An oxymoron?
© ThoughtWorks 2008
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Flickr Creative Commons• Alarm: http://flickr.com/photos/chidorian/7666930/• Masonic handshake: http://flickr.com/photos/gaetanlee/159591865/• Plane: http://flickr.com/photos/volodimer/400350015/• East meets west: http://flickr.com/photos/evanosherow/2280507811/
Photo Credits
Free wallpaper• Matrix wallpaper: http://www.wallpaperbase.com/wallpapers/movie/matrix/matrix_5.jpg
© ThoughtWorks 2008