Why IT needs lean by Operae Partners
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![Page 1: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/1.jpg)
Why IT needs lean
by
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Improvement
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Why would we need that?
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Well…
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What exists today ?
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![Page 7: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/7.jpg)
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CMMi
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Do our customers have fewerincidents for that reason?
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No !
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Why ?
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Let’s have a look…
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… a closer look
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First
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There is a customer
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And the customer has some…
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Requirements
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That we transform into…
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Specifications
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Specifications are checkedwith the customer
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The customerspecifies hisrequirements
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Back to writingspecifications
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Then, we have…
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Development
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Second check with the customer
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The customer changes opinion
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(Time has passed sincethe initial requirements)
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Back to development
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(Or was it a specificationproblem?)
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With some luck, we shouldbe able to start…
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… The tests
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But then…
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We find bugs
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Back to development
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More tests
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One day we will get to…
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Pre-production
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It’s now time for…
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… a third check with the customer
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Bugs are found with the real data
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Back to development
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Functional bugs are alsofound
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Back to specs
![Page 44: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/44.jpg)
Back to development
![Page 45: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/45.jpg)
And more tests
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Then back to pre-production
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In the end, we shouldbe …
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In production!
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Yes!
![Page 50: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/50.jpg)
But then, we get…
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Incidents!
![Page 52: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/52.jpg)
That we know how to fix…
(Choose the best one)
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� Restart a job
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� Restart a job� Add disk
![Page 55: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/55.jpg)
� Restart a job� Add disk� Add CPU
![Page 56: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/56.jpg)
� Restart a job� Add disk� Add CPU� Add _________
![Page 57: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/57.jpg)
Then…
![Page 58: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/58.jpg)
(the production is redelivered)
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New incident!
![Page 60: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/60.jpg)
Now it’s time for a…
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Problem analysis!
![Page 62: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/62.jpg)
That will allow us to find…
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The good solution !
![Page 64: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/64.jpg)
(back to development)
![Page 65: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/65.jpg)
(tests)
![Page 66: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/66.jpg)
(pre-production)
![Page 67: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/67.jpg)
(in production)
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![Page 69: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/69.jpg)
The customer is still waiting…
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Finally you realise that!
![Page 71: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/71.jpg)
Now it’s time for …
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The task force!
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Problem analysis again!
![Page 74: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/74.jpg)
(back to development)
![Page 75: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/75.jpg)
(tests)
![Page 76: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/76.jpg)
(pre-production)
![Page 77: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/77.jpg)
(in production)
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…
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![Page 80: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/80.jpg)
Déjà vu?
![Page 81: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/81.jpg)
Not strange that…
![Page 82: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/82.jpg)
Specification teams
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Developers
![Page 84: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/84.jpg)
Test teams
![Page 85: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/85.jpg)
Pre-production teams
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Production teams
![Page 87: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/87.jpg)
Incident management teams
![Page 88: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/88.jpg)
Problem management teams
![Page 89: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/89.jpg)
… are overloaded!
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…
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![Page 92: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/92.jpg)
Be lean!
![Page 93: Why IT needs lean by Operae Partners](https://reader036.fdocuments.net/reader036/viewer/2022081602/54c196734a7959a55f8b4600/html5/thumbnails/93.jpg)
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