[e2e] Layering vs. modularization
David P. Reed
dpreed at reed.com
Fri May 16 16:55:11 PDT 2008
Joe Touch wrote:
>> The layering concept is a particularly narrow form of structuring.
>> It implies that there is a single correct linear sequence for
>> building up a complete functional system.
> It presumes only that there is a total ordering. Such ordering can
> include branches and variations - only that any particular path has a
> unique order.
Huh? I think you are describing a lattice or poset, which is called a
Partial ordering, not Total. Interesting, but not a "layering".
Youre describing a modular structure, not a layered architecture,
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