Post on 19-Aug-2015
@chrisvmcd - it’s systems all the way down
it’s systems all the way down!
@chrisvmcd - it’s systems all the way down
Chris McDermott@chrisvmcd
Coach/Developer/Conference Organiser
www.leanagilescotland.com@LeanAgileScot
@chrisvmcd - it’s systems all the way down
Headache
@chrisvmcd - it’s systems all the way down
Mechanism
@chrisvmcd - it’s systems all the way down
Thinking
“It’s foolish for a society to cling to it’s old ideas in new times just as it’s foolish for a grown man to try to squeeze into a coat that fit him in his youth”
Thomas Jefferson
@chrisvmcd - it’s systems all the way down
What is a system?
“An interconnected set of elements which is coherently organised in a way that achieves something”
Donnella Meadows
@chrisvmcd - it’s systems all the way down
Interdependence
“Each part of the system, when it affects the system, is dependent on its affect for some other partIn other words the parts are interdependent” Russell Ackoff
@chrisvmcd - it’s systems all the way down
“The essential or defining properties of any system are properties of the whole that none of its parts have.”
Russell Ackoff
Defining Properties
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Stocks & Flows
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Feedback
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Balancing & Reinforcing
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Boundaries
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Resilience
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Self-Organisation
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Time
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Emergence
“Meaning exists in the interaction between things, not in the things themselves"
Alicia Juarrero
@chrisvmcd - it’s systems all the way down
Systems Thinking
“a way of understanding the world that emphasises the relationships among a systems parts rather than the parts taken separately”
David Kerr
@chrisvmcd - it’s systems all the way down
Holistic
“The systems approach to problems focuses on systems taken as a whole, not on their parts taken separately.”
Russell Ackoff
@chrisvmcd - it’s systems all the way down
Operation Cat Drop
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Counter intuitive
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Appreciation of a System
95% of the performance of an organisation is attributable to the system (processes, technology, work design, regulations, etc) and 5% are attributable to the individual
W Edwards Deming
@chrisvmcd - it’s systems all the way down
GM Freemont
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NUMMI
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Toyota v GM
people elements people
respect for peoplesingle piece flow
continuous improvementinteractions theory X
large batches
qualitybest cars purpose volume
shareholder value
- appreciation of a system- theory of psychology
- variabilitywhy
- individual not system- success built high volume
low variability
@chrisvmcd - it’s systems all the way down
What about Software Development?
@chrisvmcd - it’s systems all the way down
@chrisvmcd - it’s systems all the way down
Purpose
“The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts.”
Bertrand Russell
@chrisvmcd - it’s systems all the way down
Agile
@chrisvmcd - it’s systems all the way down
Scrum
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3 Amigos
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Story Mapping
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Is Agile a sub-optimisation?
“Agile : doing the wrong thing faster”
John Seddon
@chrisvmcd - it’s systems all the way down
Lean
“All we are doing is looking at the time line, from the moment the customer gives us an order to the point when we collect the cash. And we are reducing the time line by reducing the non-value adding wastes.”
Taiichi Ohno
@chrisvmcd - it’s systems all the way down
Kanban
“Kanban imposes virtual constraints on invisible work to emulate the constraints of physical work in order and invoke better decision making”
David J Anderson
@chrisvmcd - it’s systems all the way down
Lean UX
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Devops
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95/5... ?
@chrisvmcd - it’s systems all the way down
Discuss...
@chrisvmcd - it’s systems all the way down
References
Anything from Ackoff https://www.youtube.com/results?search_query=russell+ackoff
Jabe Bloom on Systems Thinking http://www.infoq.com/interviews/jabe-bloom-systems-thinking-lean-ux14
John Seddon Keynote Rethinking IT https://vimeo.com/19122939
@chrisvmcd - it’s systems all the way down
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