Date post: | 13-Jul-2015 |
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Uncertain Infrastructures What Science Tells Us About IT
Mark Burgess
Promises we can keep?
P - DescriPing
H - StuffH
Y - ThaYt
S - HappenS
I - ..ah
C - ... S - .. ok whatever
Environm
enta
l
Clo
sure
X
Syste
ms
Thin
kin
g
Semantics and Dynamics Desired-state and actual behaviour
Dev + Ops
What you intend + What actually happens
Dev ? Ops ?
… but they are only in approximate balance
IT would be easy if systems were deterministic ...
LOGIC rains environmental complexity ...
… onto knife-edge sensitivity
“Continuous delivery requires continuous automation
... not power-assisted intervention”
Autonomous
infrastructure
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
“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
Failures are semantic
Processes are
dynamic
Harp not on that keyboard!
Orchestration?
Choreography?
Control is ...
Join the discussion …
Tw: @markburgess_osl