Re: [AM] Article of Interest in CIO Magazine

In a message dated 3/7/2004 10:23:54 PM Pacific Standard Time, [email protected] 
writes:
It also depends on how you define “known.” If you know you’ll need it, and 
if you think it will be more difficult to add later, then you might as well 
take care of it now. I feel that the deciding factor for these things should be 
how much more costly it will be to add later rather than now, weight against 
the chance you’ll actually need it.   
If it's true (statistically, at least)  that an inordinately large portion of 
the TCO is borne post-deployment, and some portion of the costs pertains to 
remedial or enhancement work, does this constitute sufficient knowledge of 
likely future events to warrant consideration in the design of the system, and if 
so, how do these considerations fit within the agile "envelope", if they are 
not explicit requirements?  
                                                                              
                                                  Another point to consider – 
and I’m sure the XP and AM folks will disagree with me here – is the 
experience of your development team.
This might be the key. Like doctors, perhap we should 'first, do no harm", 
which in this case might mean that we should apply our experience in the design 
of the system to minimize post-deployment maintainability and sustainability, 
as far as possible within reasonable development time and cost considerations. 
How does this stand up?

I'm feeling better about this as we go along, so thanks very much to all.

Regards,

Pete

For more information about AM, visit the Agile Modeling Home Page at www.agilemodeling.com
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