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Scrum group7 20120213
- 1. SCRUM
Agile software development framework
Carel Aeijelts Averink
Online Project/Program Manager
Blue Chip Consulting
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- 3. Projects using Scrum
Organizations
Media &
Industries Government Advertising
Telecommunications
Websites www.rijksoverheid.nl www.upc.nl www.detelefoongids.nl
Program Manager Program Manager
Roles ScrumMaster
Online Marketing Online
Content management,
eCommerce, online Content, search, SEO,
Key elements open standards,
sales, conversion high volume traffic
accessibility
Distributed Scrum team
Distributed Scrum
In-house Scrum teams (Veenendaal)
teams (Denver, Vienna)
Scrum
Local Product Owner Corporate Product
Local Product Owner
Owner
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- 4. Roots of Scrum
Total Quality Control,
W.Edwards Deming
Scrum
Just in Time, Lean,
Kanban
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- 5. Definition of Scrum
• Scrum is not a • Scrum is an open
methodology development framework with
a simple set of rules
• Scrum is not a defined • It has been used to manage
process complex product develop-
ment since the early 1990s
• Scrum is not a set of • Ken Schwaber and Jeff
procedures Sutherland developed Scrum
The Scrum Guide contains the definition of Scrum. This definition consists of Scrum’s
roles, events, artifacts, and the rules that bind them together
http://www.scrum.org/scrumguides/
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- 6. Empirical Process Control
The defined process control The empirical process control
model requires that every model asserts that knowledge
piece of work be completely comes from experience and
understood. Given a well- making decisions based on what
defined set of inputs, the is known. Scrum employs an
same outputs are generated iterative, incremental approach
every time. to optimize predictability and
control risk.
Three pillars uphold every implementation of empirical process control:
transparency, inspection, adaptation
http://www.scrum.org/scrumguides/
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- 7. Scrum vs. Waterfall
Waterfall Scrum
Fixed Scope & Time Fixed Time & Resources
Release Planning
Central planning,
Sprint Planning
Gantt Chart
Daily Scrum
Change Management Backlog Prioritization
Centrally coordinated teams Self organizing teams
Specialized teams (functional silo’s) Interdisciplinary teams
Documentation Communication
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- 8. Scrum Static Model
3 Roles 5 Events 3 Artifacts
Product Owner The Sprint Product Backlog
Development Team Sprint Planning Meeting Sprint Backlog
ScrumMaster Daily Scrum (stand-up) Increment
Sprint Review (demo)
Sprint Retrospective
Optional Events
Release Planning
Backlog Grooming
Scrum of Scrums
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- 9. Scrum Dynamic Model [1]
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Source: http://zenagile.files.wordpress.com/2011/09/scrum-lifecycle.jpg
- 10. Scrum Dynamic Model [2]
This defines what must be
completed before and after a sprint
• Analysis
• Design
• Development
• Testing
http://blog.xebia.com/2009/06/19/the-definition-of-ready/
READY and DONE • Deployment
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- 11. Requirements
Product Owner
Source: http://jamespeckham.com/
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- 12. User Stories
As a .… [product user],
I want …. [product feature],
So that I can …. [benefit/purpose].
• Acceptance criteria
• Designs
• Story points
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- 13. Estimation
Estimate on Units Range Precision
T-shirt sizes S-XXL
Epics Complexity or low
Story Points* 40-100*
User Stories Complexity Story Points* 0-20* good
Tasks Effort Hours 2-6 hours high
*Story Points are estimated by
the Team in Planning Poker
Source: www.mountaingoatsoftware.com
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- 14. Scrum (Task) Board
Source: http://accurev.com/blog/2010/09/27/implementing-agile/
Source: http://blog.xebia.com/2008/09/19/the-task-burn-down-trap-everything-finished-nothing-done/
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- 15. Burndown Chart
Predict
Monitor Improve
Learn
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- 18. Product Owner
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Source: www.flickr.com/photos/minister-president/
- 20. Business Cases
Case 1: Improve the process
Average website development Release cycle: 46 days.
Distributed Scrum by 3rd party vendor: 24 days.
PRODUCTION
SCRUM SPRINTS BAT DEPLOYMENT
4 days 18 days 2 days 10 days 12 days
Average 18 days contributed to Average 10 days for Average 12 days for
software development velocity Business Acceptance Deployment & Stage
& Regression Testing Regression Testing
READY DONE
Potentially
Shippable In
Production
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- 21. Points of Attention
• Documentation
• Management buy-in/commitment
• Cultural aspects
• Risk Management
• Release Planning
• Fixed Price
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- 22. Release Planning
“Any Product Manager that has successfully
delivered a product to a customer knows how
incredibly important Release Planning is.
Despite its importance, the 2011 Scrum Guide,
published in July by Ken Schwaber and Jeff
Sutherland, removes any discussion about
Release Planning and the related Release
Burndown chart.”
From www.scrum.org/scrum-guide-updates
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- 23. Fixed Price
“Money for nothing and your change for free”
http://jeffsutherland.com/Agile2008MoneyforNothing.pdf
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- 25. Links
Scrum training
• Jeff Sutherland
http://www.scrumalliance.org/profiles/70-jeff-sutherland-phd
• Ken Schwaber
http://courses.scrum.org/about/ken-schwaber
• Mike Cohn
http://www.mountaingoatsoftware.com/training-available
Scrum certification
http://www.scrumalliance.org/scrum_certification
Scrum User Group Netherlands
http://www.meetup.com/nlscrum/
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- 26. Contact
carel@bluechip.co.nl
www.linkedin.com/in/onlineprojectmanager
@carel
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