Long AS Path

sthaug at nethelp.no sthaug at nethelp.no
Wed Jun 21 12:42:13 CST 2017


> > I see no valid reason for such long AS paths. Time to update filters
> > here. I'm tempted to set the cutoff at 30 - can anybody see a good
> > reason to permit longer AS paths?
> 
> Well, as I mentioned in my Net Neutrality filing to the FCC, a TTL of 30
> is OK for intra-planet routing, but when you start leaving the big blue
> marble you will need to allow the packets to live longer.

TTL != AS path length

I can certainly see the use for a TTL of 30. I cannot see the use for
an AS path length greater than 30 (especially not when 2 ASes are each
repeated 16 times).

Steinar Haug, Nethelp consulting, sthaug at nethelp.no




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