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Uncertain Infrastructures
What Science Tells Us About IT
Mark Burgess
Promises we can keep?
P
H
Y
S
I
C
S

- DescriPing
- StuffH
- ThaYt
- HappenS
- ..ah
- ...
- .. ok whatever
Environmental
Closure X
Systems
Thinking
Semantics and Dynamics
Desired-state and actual behaviour

Dev + Ops
What you intend + What actually happens
IT would be easy if systems were deterministic ...

Dev ?

Ops ?

… but they are only in approximate balance
LOGIC rains environmental complexity ...

… onto knife-edge sensitivity
Autonomous
“Continuous delivery requires continuous automation
infrastructure
... not power-assisted intervention”
There is no such thing as an immutable system
No intended change is not the same as no change at all
“Many worlds” branches and relativity
Failures are semantic
Processes are
dynamic

“The history of attempts to prevent cracks from spreading or evade
their cons...
Control is ...

Harp not on that keyboard!
Orchestration?
Choreography?
Join the discussion …

Tw: @markburgess_osl
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Uncertain infrastructure - Dr. Mark Burgess Presentation at DevOps Days NYC 2013

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Mark Burgess explain Uncertain Infrastructure and ways around managing it in this DevOps Days presentation

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Transcript of "Uncertain infrastructure - Dr. Mark Burgess Presentation at DevOps Days NYC 2013"

  1. 1. Uncertain Infrastructures What Science Tells Us About IT Mark Burgess
  2. 2. Promises we can keep?
  3. 3. P H Y S I C S - DescriPing - StuffH - ThaYt - HappenS - ..ah - ... - .. ok whatever
  4. 4. Environmental Closure X
  5. 5. Systems Thinking
  6. 6. Semantics and Dynamics Desired-state and actual behaviour Dev + Ops What you intend + What actually happens
  7. 7. IT would be easy if systems were deterministic ... Dev ? Ops ? … but they are only in approximate balance
  8. 8. LOGIC rains environmental complexity ... … onto knife-edge sensitivity
  9. 9. Autonomous “Continuous delivery requires continuous automation infrastructure ... not power-assisted intervention”
  10. 10. There is no such thing as an immutable system No intended change is not the same as no change at all
  11. 11. “Many worlds” branches and relativity
  12. 12. Failures are semantic Processes are dynamic “The history of attempts to prevent cracks from spreading or evade their consequences is almost the history of engineering.” -- J.E. Gordon The New Science of Strong Materials
  13. 13. Control is ... Harp not on that keyboard! Orchestration? Choreography?
  14. 14. Join the discussion … Tw: @markburgess_osl
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