Service Oriented
Harmony
Jesse Toth
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Service Oriented
Architecture
a system made up of several composable parts, called services, that
work together to make up a single application
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SOA in Java
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Harmony
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Harmony
a consistent, orderly, or
pleasing arrangement of parts
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Harmony
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consistent, orderly, pleasing arrangement of parts
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MONORAIL
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Scaling
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Scaling
✤
bottlenecks
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Scaling
✤
bottlenecks
✤
deployment
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Scaling
✤
bottlenecks
✤
deployment
✤
too big to fit in
your head at once
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Scaling
✤
bottlenecks
✤
deployment
✤
too big to fit in
your head at once
✤
ramping new
people up = :(
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Scaling
✤
bottlenecks
✤
deployment
✤
too big to fit in
your head at once
✤
ramping new
people up = :(
✤
too many cooks
in the kitchen
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Harmony
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SOA
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difficult to extract into
services
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difficult to extract into
services
everything
interconnected
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difficult to extract into
services
everything
interconnected
services written, thrown
away, and rewritten
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difficult to extract into
services
everything
interconnected
services written, thrown
away, and rewritten
any change requires
touching multiple
codebases
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Communication
Bonjour!
Guten Tag!
㟬
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Communication
Bonjour!
Guten Tag!
㟬
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https://speakerdeck.com/sarahmei/the-insufficiency-of-good-design
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Bonjour!
Guten Tag!
㟬
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Bonjour!
Guten Tag!
㟬
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Conway’s Law
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Conway’s Law
organizations which design systems are
constrained to produce designs which are
copies of the communication structures of
these organizations
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System Communication
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System Communication
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System Communication
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Conway’s Law :: Restated
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Conway’s Law :: Restated
we must model our team and communication
structure after our desired system structure if
we want it to succeed
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