in theSCRUM

Photo taken by Maree Reveley (aka Somerslea)

Wild

Mike van Riel● Technical Lead at Unet B.V.● Using PHP for 9 years● Working with SCRUM for 4 years@mvriel

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Please rate, and comment on, my talk at:http://joind.in/2413

Introduction

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What am I going to talk about?

Photo taken by Xavier de Cock

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A LOT

http://www.flickr.com/photos/uwgbadmissions/4974510524

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What is SCRUM?

● Overview● History● What steps did we take?

● Roles● What is 'Done'● Iterations● Artifacts● Retrospect

● What more is there● Obstacles

A LOT

http://www.flickr.com/photos/sravi_in/3171545912/

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Who are you?

Photo taken by Xavier de Cock

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What is SCRUM?

http://www.flickr.com/photos/darwinbell/

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Framework, not methodology

http://www.flickr.com/photos/vinayshivakumar/3194015535/

What is SCRUM?10 / 46

Believe

http://www.flickr.com/photos/jstar/207421635/

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Hard

http://www.flickr.com/photos/_sml/151835690/

But worth it

http://www.flickr.com/photos/bevershed/4363726113/

Traditional METHODS vs. SCRUM

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What is SCRUM?

Waterfall

● Originates from hardware industry● Had to be done right in one go ● Not flexible by nature● Limited room for feedback● False feeling of control● But can work with large teams

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What is SCRUM?

One release to rule them all

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What is SCRUM?

http://blog.3months.com/2010/01/10/illustrating-scrum-a-new-and-improved-scrum-diagram/

● Originates from product development● Timeboxed iterations● Continuous feedback options● Provides great insight into the process● Doesn't work with a single large team

SCRUM

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What is SCRUM?

Release early, release often

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History

http://www.flickr.com/photos/kevan/

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1986, Hirotaka Takeuchi & Ikujiro Nonaka

http://www.flickr.com/photos/kevan/

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1990: Ken Schwaber, Jeff Sutherland

http://www.flickr.com/photos/kevan/

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1995: Scrum was born at OOPSLA

http://www.flickr.com/photos/kevan/

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What is SCRUM?

● Previous methods did not fulfill our wishes● Small team, 6 developers and 1 project manager● Requirements are continuously evolving● Introspection and process control● Continuous releases, quick Time To Market (TTM)● To use a proven method

Why did we choose to go for scrum

http://www.flickr.com/photos/sravi_in/3171545912/

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What is SCRUM?

How did we implement it?

http://www.flickr.com/photos/suttonhoo22/2512983749/

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What is SCRUM?

One step at a time

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What is SCRUM?26 / 46

What is SCRUM?27 / 46

1. Re-define rolesPigs & chickens

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What is SCRUM?29 / 46

2. When is an item done?Definition of done

http://www.flickr.com/photos/jayneandd/4450623309

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3. Introduce iterationstimeboxed! Deployable!

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● Daily stand up: each day ● Sprint: 15 days (3 weeks)● Preparations: 5 days (1 week)

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4. Add more processSprint planning, planning poker, retrospective

What is SCRUM?

Sprint planning & Planning poker

http://www.flickr.com/photos/june29/3754566093/

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What is SCRUM?34 / 46

5. implement 'artifacts'Sprint backlog & Burndown chart

What is SCRUM?

Sprint backlog

http://www.flickr.com/photos/oberazzi/318947873/

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What is SCRUM?

http://www.flickr.com/photos/roolrool/4468175996/

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What is SCRUM?

Burndown chart

http://www.flickr.com/photos/oberazzi/318947873/

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What is SCRUM?

http://www.flickr.com/photos/jnicho02/2805260361/

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What is SCRUM?

http://www.flickr.com/photos/porras/3084218023/

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What is SCRUM?

http://www.flickr.com/photos/elecnix/4120841676/

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What is SCRUM?41 / 46

6. Retrospect and improvewhat went well? What can we do better?

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What more is there?

http://www.flickr.com/photos/albany_tim/3536902765/

What is SCRUM?

Obstacles

http://www.flickr.com/photos/foxypar4/1004464889/

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What is SCRUM?

Questions?

http://www.flickr.com/photos/oberazzi/318947873/

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What is SCRUM?

Conclusion

http://www.flickr.com/photos/mugley/2214327028/

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What is SCRUM?

Mike van Rielmike.vanriel@naenius.com@mvrielhttp://blog.naenius.com

Links● http://www.scrumalliance.org/● http://en.wikipedia.org/wiki/Scrum_(development), The Wikipedia article about SCRUM● http://www.infoq.com/minibooks/scrum-xp-from-the-trenches, Free book● http://www.meetup.com/nlscrum/, Dutch SCRUM user group

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http://joind.in/2413http://blog.naenius.com