link avoidance
Christopher Morrow
morrowc.lists at gmail.com
Thu May 7 00:35:46 UTC 2015
On Wed, May 6, 2015 at 6:56 PM, Randy Bush <randy at psg.com> wrote:
> a fellow researcher wants
>
> > to make the case that in some scenarios it is very important for a
> > network operator to be able to specify that traffic should *not*
> > traverse a certain switch/link/group of switches/group of links
> > (that's true right?). Could you give some examples? Perhaps point
> > me to relevant references?
>
> if so, why? security? congestion? other? but is it common? and, if
'Level3 Maintenance for Fiber path X on date Y'
where 'fiber path x' is one of your paths from A to B. Gracefully move
traffic (isis/ospf/rip/etc metric jackery), return traffic when the
crisis is past.
> so, how do you do it?
>
> randy
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