Transcript DSDM Atern Masterclass Summary

Atern v2 – Summary of changes
from v1
The evolution continues!
Atern v2 Changes
Slide 1
Summary of v2 changes
“Core” Atern defined
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“What someone needs to know in order to use Atern on a ‘typical’
project within an organisation that is open to the concept of Atern’s
time-driven, business focused delivery of solutions.”
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This gives the focus for training and exams
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Production of Atern Handbook
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“Core” as main chapters
Additional useful detail in Appendices
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Alignment of web published content to Handbook
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Appendices content not part of exam syllabus
Web e-book, better format for web later?
Updated version of Pocketbook
Atern v2 Changes
Slide 2
Summary of v2 changes
(More details later in presentation)
Major revamp of products
Removal of “generic” guidance, better focus on Atern and
agile issues
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E.g. Risk, Estimating, Requirements, Testing
New area – Preparation
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Encompasses Factors Instrumental for Atern Success
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Iterative Development and Timeboxing
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(DSDM 4.2 CSFs brought up to date)
Rationalised and clarified
New Testing Concepts – now fully agile
New chapters – Planning, Control, Project Management, CM
Atern v2 Changes
Slide 3
New Section – Atern Rationale
Detailed information on the Rationale for using Atern
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Specific problems addressed by Atern
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Key points defined in core
Full details in Appendix
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Atern v2 Changes
Slide 4
V2 Change - Principles
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Principles 5 and 6 swapped – more logical sequence
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Focus on the business need
Deliver on time
Collaborate
Never compromise on quality
Build incrementally from firm foundations
Develop iteratively
Communicate continuously and clearly
Demonstrate control
Some lower level bullets re-organised or moved
Atern v2 Changes
Slide 5
New Section - Preparation
Factors instrumental to the success of Atern projects (ISFs)
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Acceptance of Atern philosophy
Appropriate empowerment of Solution Development Team
Commitment to provide necessary Ambassador (and Advisor) involvement
Incremental delivery
Access by Solution Development Team to business roles
Solution Development Team
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Stability
Skills
Size
Supportive commercial relationship
Atern feedback suggested CSFs from 4.2 were missed
Atern v2 Changes
Slide 6
V2 Change - Products
Major revamp
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V1 feedback – too many, too complex, perception - very un-agile
External facing product set now much cleaner
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17 products (less than 4.2!)
This set to be used for presentations, training
Atern v2 Changes
Slide 7
V2 Change - Products
Core provides introduction and suggested composition
for all 17 products
Full and extensive product detail available in Appendix
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Introduction
Purpose
Quality Criteria
Roles Involved
Usage by lifecycle phase
Appendix breaks some products down into component parts
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E.g. Solution Foundations
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Business Area Definition (BAD) ** NB This is now a Solution product **
System Architecture Definition (SAD)
Development Approach Definition (DAD)
Solution Prototype
Lowest detail designed for use by those involved in that product
Atern v2 Changes
Slide 8
V2 Change - Amendments
Facilitation - Some amendments
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E.g. clarification between co-facilitator and workshop scribe
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MoSCoW – minor changes
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Modelling – some amendments
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Removal of some “generic” guidance
Introduction of graphics
Atern v2 Changes
Slide 9
V2 Change - Amendments
Iterative Development and Timeboxing
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Rationalised and improved
Emphasis put on Development Timeboxes
Project and Increment Timebox concept as secondary
Complexities of “Product Timebox” removed from core
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Now treated as a specialist topic
Horizontal, Vertical and Combined approaches fully detailed
Perspectives amended
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Atern v2 Changes
Functional
Usability
Non-functional
** Capability / Technique prototype still exists as a separate concept, as
a true prototype / proof of concept / spike
Slide 10
V2 Change - Amendments
Configuring the Lifecycle for Evolution – enhanced
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Also addresses scalability
Requirements
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Some “generic” guidance removed
Specific concept of UTH removed
Improved graphic to show relationship between requirement detail
and estimating accuracy
Atern v2 Changes
Slide 11
V2 Change - Amendments
Estimating
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Some “generic” guidance removed
Improved graphic to show relationship between requirement detail
and estimating accuracy
Concept of BARMAI introduced
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Atern v2 Changes
Range indicating estimate confidence
Slide 12
New Section - Planning
Detailed information on evolutionary planning
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Planning throughout the lifecycle
Planning products in context – new graphic
Atern v2 Changes
Slide 13
New Section - Control
Detailed information on controlling Atern projects
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Control at top level through control of Development Timeboxes
New graphic
Atern v2 Changes
Slide 14
New Section – Project Management
Detailed information on managing Atern projects
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Managing
Monitoring
Motivating
Business involvement
Escalation
Atern v2 Changes
Slide 15
V2 Change - Amendments
Risk
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Some “generic” guidance removed
Now specifically addresses Atern risks
Configuration Management
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Detail re-introduced
Related to Atern Principles
People aspects explained
CM strategy discussed
Atern v2 Changes
Slide 16
V2 Change - Amendments
Testing
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Whole topic now focuses on Atern and agile issues
New set of 8 Testing Concepts introduced
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Fail Fast
Collaborative testing
Repeatable tests
End-2-End experience
Independent testing
Prioritised tests
Test driven development
Risk based testing
Detail of test products and testing roles
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Atern v2 Changes
Business and Solution domain
Slide 17