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What can traffic in stockholm teach you about your development process
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What can traffic in stockholm teach you about your development process

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  • There are two different types of bottlenecks: - Capacity contraint resource - a resource limited by capacity, like a bottle - non instantly available resource - a resource that is not available all the time

What can traffic in stockholm teach you about your development process What can traffic in stockholm teach you about your development process Presentation Transcript

  • What can traffic inteach you about yourdevelopment process
    Håkan Forss - hakan.forss@avegagroup.se - @hakanforss
  • Little’s Law
    Work-in-Process
    Throughput
    Cycle Time =
  • 8 cars / min
    4 cars / min
    With less work-in-progress
    Shorter cycle time
    Or
    Higher throughput
  • TheoryofConstraints
  • 5
  • Don’t allow inertia to cause a system constraint.
  • Capacity = 4
    Capacity = 6
    Capacity = 6
    Throughput = 4
    You can never go faster than your bottleneck
    No need for higher capacity after the bottleneck than at the bottleneck
    Higher capacity in front of the bottleneck will lower total throughput
  • Non-instantavailabilityresource
    A resource that is not available all the time
  • Non-instantavailabilityresource & bottleneck
  • You can never go faster than your bottleneck
    Balance demand against throughput to keep work-in-progress low
    Low work-in-progress
    Keeps cycle time down
    Makes bottlenecks visible faster
  • Slow down to go faster
    Slowing down can stabilize the process flow
    A stable process can go faster
  • Håkan Forss
    Mail: hakan.forss@avegagroup.se
    Twitter: @hakanforss
    Blog: http://hakanforss.wordpress.com/