valley free routing?

Iljitsch van Beijnum iljitsch at
Thu Mar 6 12:39:28 UTC 2014

> On 6 mrt. 2014, at 02:18, Joel Maslak <jmaslak at> wrote:
> I have never heard the term valley free.  Where does it come from?

This paper, which is a must-read for anyone interested in BGP:

Stable internet routing without global coordination
By Lixin Gao and Jennifer Rexford

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