Mary, this raises an odd question: aren't our Backlogs queues? But we
like our Backlogs. What is different about them?
deb

--- In scrumdevelopment@yahoogroups.com, "Mary Poppendieck" <mary@...>
wrote:
> ...
> Putting aside the theory of constraints, queuing theory says that things
> flow faster if and only if you remove queues. In Lean, queues are
pretty
> much regarded as evil and every effort is made to diminish them.
Okay, so
> you need a few short queues (TOC would put a queue only at a
constraint) -
> but they should be few and they should be short, and they should be
accepted
> grudgingly as an impediment to flow. It is almost never a better idea to
> queue work to be done later.
> ...
>
> Mary Poppendieck
> www.poppendieck.com
>