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Re: Using link congestion to control routing updates

  • From: Alec H. Peterson
  • Date: Thu Dec 19 13:22:52 2002


--On Thursday, December 19, 2002 12:10 -0500 David Scott Olverson <olverson@fas.harvard.edu> wrote:

Hello all,

	I was wondering if anyone was aware of a way to use the congestion
of a network link to control the routing update.  For example if I have a
very small link that gets congested, I may want the router to withhold a
routing update until link congestion falls below a certain threshold like
60% of bandwidth.  Is anyone aware of anything like this available today
or a technique that might accomplish something similar?  You can contact
me off list if this topic isn't germane.
Route flap is bad. Something like this would introduce a huge amount of route flap, and would probably just end up causing congestion ossilation.

As far as I know there is nothing to do this in the 'common' routers (cisco, Juniper).

Alec

--
Alec H. Peterson -- ahp@hilander.com
Chief Technology Officer
Catbird Networks, http://www.catbird.com




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