Vadim, are you shure about this? Withouth the friction - what would you got this case? Very big pendulum, isn't it?
There are two ways to deal with that -- reduce the feedback (say, make the announcement in a barely intelligible speech, so only 1/3rd of drivers will get it :), or increase inertia ^^^^^^^^^^^^^^^^
of the system (by posting 10MPH speed limit :), so announcements can come fast enough to compensate each other.
Seriously, the load-sensitive traffic management _can_ be done, Exactly it's done in the lot of different systems.
but to do it you a) need full knowledge of the load patterns, plus some historical data, and b) have a way to control system in steps less drastic than rerouting an entire flow.
Can't be done with ciscos, or any existing routers... I am not shure about EGRP, through.
--vadim
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