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Expanding our Understanding: Complex Adaptive Systems
1. Expanding our Understanding:
Complex Adaptive Systems
Jon Stevens-Hall, Principal Product Manager (ITSM)
Consortium for Service Innovation Team Meeting: “Knowledge as a Service”
November 2020
November 2020
7. Complexity in Digital Systems
• Essential Complexity
• “Adding new features to software (or safety properties
like availability and security) requires the addition of
complexity”
• Driven by addition of new features and capabilities
• Accidental Complexity
• “The consequence of writing software within a
resource-limited setting”
• Code is a compromise
• Accrues as a by-product of work
• Suboptimal system components accumulate beyond
intuitive understanding
@jonstevenshall
8. Complexity in Digital Systems
Digital Services
Service
Subscribers
Tools
Processes
Services
Vulnerabilities3rd Party
Providers
Compliance
Environments
@jonstevenshall
9. Complexity in Digital Systems
Compliance
Environments
Private
Cloud
Mainframe
Hybrid
Cloud
Data
Centers
Public Cloud
Digital Services
Service
Subscribers
3rd Party
Providers
Tools
Processes
Services
Vulnerabilities
Waterfall
Agile
Lean
SLAs
DevOps
DevSecOps
ITIL
End Users
Agents
IT Ops
Security
Applications
@jonstevenshall
12. • Obvious and Complicated domains:
• Repeating relationship between cause and effect
• With Complicated you need to do analysis to find
that relationship
• Complex domain:
• Understanding the problem requires
experimentation and analysis.
• May, over time, be able to move to Complicated
• Chaotic domain:
• Dramatic and unconstrained
• Focus on damage limitation, try to move to
another domain
Cynefin – A framework approach to complexity
@jonstevenshall