The big advantage of
Agile methodologies is that they make communication easier. So, they are
static in much the same way that a dictionary is static; they are rigid in much
the same way which a language is rigid. If you choose to limit yourself to 150
words in any language you can probably get by, but don't expect to be able to
express deep thoughts effectively. Ultimately it is the thinking that matters,
and communication helps apply that thinking effectively. Methodologies help
establish a common basis of communication. Agile enforces such interactive
communications, but all parties shall still speak the same languages.
Agile drives
incrementalism, iteration and improvement. Agile is not lack of discipline,
but takes better engineering, architectural and management disciplines. Do
those disciplines make agile too ‘static and rigid’? That could be the paradox
of modern management, change can be dramatic and Agile's "static and rigid
process" will handle it. The process could be changed, it could be
dynamic, but the discipline and supporting practices should be in place. You
can replace a practice, but without breaking this support.
Agile doesn’t mean
arrogance or ignorance, Agile can be humbling -- everyone is
essentially selling their services to someone -- developers, testers,
requirements people, scrum masters, and yes, architects. There's a
concept agilists embrace called "the tyranny of the best
idea.", Agile doesn’t mean completely out of box, but shaping the new box to
enable innovation and idea sharing.
Agile methods such as
XP (or/and Scrum or others) provide such an ecosystem of practices that enable
the necessary "agility power". You can build your own cocktail of
practices, but it is hard to build from the scratch something with the
"ecosystem" value. What it means that it is necessary to have a disciplined approach
with outstanding engineering (and others) practices in order to handle rapid
change, but also keep flexibility on mind.
Therefore, Agile is not 'opposite" of Waterfall,
without structure, free thinking or doing, Agile is complimentary methodology
of Waterfall, add on the flexibility on the rigidity; accelerate speed from
hierarchy; or create cascade from steep slope., etc. Agile is about discipline
and not just for technical teams but for business people as well
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