On 18 Feb 2007, at 09:20, Ziya Oz wrote:
> Livia Labate:
>
>> the agile nature of the development really only
speaks to the
>> development
>> cycle
>
> I wonder if there's general agreement on that. (I
myself don't have a
> position.) If the development cycle has, say, 30 steps,
it's
> relatively easy
> to conjecture how steps 3-30 may evolve through
iteration. But who
> determines what the *first* 2-3 steps will be?
A common myth that seems to have emerged about agile methods
is that
there are is only one "level" of step in agile
methods, or that
people only look one step into the future. This is not the
case.
For example if you look at XP you have typically have
feedback loops
operating at the level of:
* hours (test-driven design)
* days (daily stand up meetings)
* weeks (iterations)
* months (release plans)
* quarters (quarterly cycle)
Obviously the short-loops are more implementation focussed
while the
long-loops are more strategic. The key difference with agile
methods
is that they attempt to do the absolute minimum amount of
up-front
work to make progress, and rely on feedback much more than
prediction.
It turns out that, at the lower levels of hours/days/weeks,
the
minimum amount of up-front work is a _lot_ smaller than many
folk,
myself included, originally thought. Getting there has
involved
inventing a few new methods, and pushing some existing ones
in some
new directions. A whole bunch of the IA/UX/IxD/whatever
world's work
lives quite happily at these levels.
Figuring out how to do the minimum possible amount at the
higher
levels is, as far as I am concerned anyway, still very much
a work in
progress. Obviously a whole bunch of the IA/UX/IxD/whatever
world
lives at the higher levels too.
Cheers,
Adrian
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