Software life cycle in Erlang

Inswitch Solutions <>
Wed Jan 25 21:11:54 CET 2006


Hi Lennart,

I should have said Evolutionary Prototyping as a project life cycle example.
>From
http://asd-www.larc.nasa.gov/barkstrom/public/The_Standard_Waterfall_Model_F
or_Systems_Development.htm: Start with initial concept, design and implement
an initial prototype, iterate as needed through prototype refinement until
acceptable, complete and release the acceptable prototype.

When releasing the acceptable prototype can the values spend for each
involved phase be estimated?


regards, Eduardo

----- Original Message -----
From: "Lennart Ohman" <>
To: "'Inswitch Solutions'" <>;
<>
Sent: Wednesday, January 25, 2006 4:00 PM
Subject: RE: Software life cycle in Erlang


Hi,
I am not clear over if the head-line "Prototyping model" means
that you are only trying to elaborate over the phases in
prototype development!? In that case I certainly agree with Thomas'
comments. In a prototype project one should really try to
get down implementing as soon as possible rather than trying to analyse
the problem fully first.
Otherwise, if we are not talking about a prototype but a fully
commercial system, then as you so correctly put it in your headline
"Life Cycle" one must not forget that initial development is actually not
the main part. It is the cost for making changes, extensions,
bug-fixes, trouble-shoot difficult problems, supporting customers and
understand how it all was done in years to come.

Best Regards,
Lennart

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________________________________________
From: 
[mailto:] On Behalf Of Inswitch Solutions
Sent: Wednesday, January 25, 2006 3:13 PM
To: 
Subject: Software life cycle in Erlang

Hi,

I'm trying to figure out the best model for software development in Erlang.
What do you think would be the right values for Analisys, Design,
Implementation and Testing phases?

Prototyping model:
Analisys............... 20%
Design................. 20%
Implementation.... 35%
Testing................. 25%

Any comments?


regards, Eduardo Figoli


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