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RE: Waterfall and Dr. Winston Royce: msg#00029

programming.scrum.general

Subject: RE: Waterfall and Dr. Winston Royce

Absolutely, Absolutly!

And even using the example I gave we'd only get 75 pages of paper per
month for a 200 person "team."

-Mike

-----Original Message-----
From: Mike Beedle [mailto:beedlem@xxxxxxxxxxxxxxxxxxx]
Sent: Thursday, December 12, 2002 6:28 PM
To: scrumdevelopment@xxxxxxxxxxxxxxx
Subject: RE: [scrumdevelopment] Waterfall and Dr. Winston Royce


--- Mike Cohn <mike@xxxxxxxxxxxxxxxxxxxxxxxx> wrote:
Mike Cohn wrote:
Here's an interesting bit of math though that shows
that if the $23<BR>
million project was managed via Scrum it could end up
with 1000 pages.<BR>
Let's assume 200 people on the project for 12 months.
200 people would<BR>
be roughly 25 scrum teams. Each month each scrum team
produces a sprint<BR>
backlog (a list of &quot;requirements&quot; they'll
fulfill that sprint). That's<BR>
13 sprints/year times 25 teams or 325 individual
sprints. If each sprint<BR>
kept it's sprint backlog (for any of a variety of
reasons) and one page<BR>
summarizing the results of the sprint and one other
page we'd have 975<BR>
pages!!<BR>
<BR>
-Mike<BR>
<BR>
1 page x 100 x 12<BR>
<BR>


Mike:

Ah, but there is a difference on _how_ the "Scrum
1000 page requirements document" was put together;
and in turn, _how_ the software was put togehter;
because it was as _evolved_, _reprioritized_,
_tested_, _integrated_, and _developed iteratively_
through customer feedback while ensuring the comfort
of the developers.

To be able to do that you need:

- short time-boxing
- constant people interactions
- shared values than promote cooperation
- self-organizing behavior
- constant learning
- knowledge sharing
- a license to do research and be creative
- etc.
- (and all of the other things that synergistically
contribute to create a true agile environment)

Yes, I know -- I am preaching to the choir, I just
want
to underline that the _how_ is perhaps very important,

- Mike








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