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Decisions in the Cloud
The Decision Model The missing model for IT Service Management
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A STEP BACK IN HISTORY:
“BIG BALL OF MUD”
Software
Systems
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Business
Logic?
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What is Business Logic?
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BIG BALL OF MUD
VS
CLOUD
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“60% of projects failed to meet deadlines,
and 45% of projects failed to meet the needs of the business.
80% of issues stem from poor
requirements.”
– Standish Group Chaos Report, 2011
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PEOPLE DON’T KNOW WHAT THEY WANT…
UNTIL THEY SEE AND INTERACT WITH IT
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TEXT SPECS, USE CASES, WIREFRAMES,…
MEAN DIFFERENT THINGS TO DIFFERENT PEOPLE
Is this Acceptable?
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HOW DO WE CAPTURE BUSINESS RULES
AS BUSINESS LOGIC TODAY?
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DOES THIS LOOK BETTER?
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Business
Logic WHERE DID THE BUSINESS
RULES GO? Decision
Model
Decision
Model
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Option 1
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Option 2
Does this feel right?
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WHEN SEQUENCE IS IRRELEVANT
LOGIC,
NOT PROCESS
USE A
DECISION MODEL
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Option 2
Rule
Pattern
1 is Low is Good = "A"
1 is Low is Bad = ?
1 is High is Good = ?
1 is High is Bad = ?
Conditions Conclusion
Person's Debt
Person's Employment
History
Person's Credit
Rating
Process Model
Decision Rule Family Table
Decision Model Diagram
Person
Debt
Person
Employment
History
Person
Credit Rating
BETTER OPTION
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ITIL V3 Event Management
What’s the Significance of an Event?
Option 1
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Option 2
Does this feel right?
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Best Option
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Option 2
Rule
Pattern
1 is <=150 is <=10s = None
1 is >150 is <=10s = Warning
1 is >150 is >10s = Warning
1 is <=150 is >10s = Exception
# of Users Response Time Significance
Decision Rule Family Table
Decision Model Diagram
# of Users Response
Time
Significance of
Event
THE DECISION AWARE PROCESS Process Model
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WHERE CAN DECISION MODELS BE
APPLIED IN ITSM?
EVENT MODELS
INCIDENT MODELS
REQUEST MODELS
CHANGE MODELS
…
“IF SEQUENCE IS IRRELEVANT,
YOU’RE PROBABLY DEALING
WITH BUSINESS LOGIC, AND
SHOULD USE A DECISION
MODEL.”
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SO WHAT?
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Decision
Use Case
Business
Motivation
Model
Decision Model
DECISION CONNECTS THE BUSINESS MODELS
Vocabulary Models:
•Glossary/Semantic
•Object
•Logic Data
Process Model
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"Modeling…is the cost-effective use of something
in place of something else for some cognitive
purpose…allows us to deal with the world in a
simplified manner, avoiding the complexity, danger
and irreversibility of reality." - Jeff Rothenberg, The RAND Corporation
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WHAT ABOUT AGILE?
Decision Model
Requirements
Agile SCRUM
Development
Initial Vision,
High Level
Scope and
Effort
Determine
Detailed
Scope
First Iteration of the Models
Develop
Testing Gather
Feedback Deploy the
Solution
d Visualize
d
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STANDARD
VS
CASE
WHAT ABOUT CASE MANAGEMENT?
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Case
• Unpredictable
• Unrepeatable
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• Predictable
• Repeatable
Standard
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Standard
The Decision Model
Difference
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RECIPE FOR SUCCESS • Identify Processes – ITIL, COBIT, BPM Frameworks
• Model Processes – BPMN
• Key Decision Points
• Standard or Case?
• Decision Models
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TIMELINE
Founding of Knowledge Partners Inc. Consulting Company focusing on Business Rules
Barbara and Larry co-edit The Business Rule Revolution
Barbara and Larry write The Decision Model
Barbara von Halle early tester of DB2 and interfaced often with Dr. Codd
Larry Goldberg builds technology based companies on three continents
Barbara co-authors Handbook of Relational Database Design
2001 2006 2007 2009 2010 prior 1989 1997
Good Methods Global is incorporated as a sister company of KPI
Enterprise-grade Software Application Developed by Sapiens
Barbara and Larry found Knowledge Partners International LLC
2010 2012 2011
Barbara authors Handbook of Business Rules Applied
Service Zen becomes Canadian partner of KPI
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HOW TO LEARN MORE Visit: www.service-zen.com and www.thedecisionmodel.com • FREE PRIMER and Case Studies
• 2-Day Decision Modeling Essentials Course
• Download White Papers
• News
Become a member of the open LinkedIn The Decision Model Group
Read articles and buy The Decision Model book
Join our presentations
Try It Yourself: Ask for “free” Visio and Excel Templates [email protected] Discuss with us how to apply The Decision Model for your ITSM, Requirements or Business Rules project
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Lee Marshall
service-zen.com
647 880 1652
@servicezen