[c-nsp] prefix lists updates and max prefix filters

Mark Tinka mtinka at globaltransit.net
Fri Dec 9 00:40:47 EST 2011

On Friday, December 09, 2011 01:54:54 AM Mack McBride wrote:

> <rant> If everyone used route registries to generate
> prefix lists and kept them up to date this wouldn't be
> as much of an issue. </rant>

Many providers today, including so-called Tier-1's, have 
major issues with their RPSL infrastructure. We've had to 
bang them many times to manually accept our routes because 
their route server implementation that pulls from all 
reputable sources is simply broken.

Much pain has been seen over this.

RPKI is a solution, but that's an entirely different 
discussion :-).

> Thankfully with IPv6 most ASNs will only have one prefix
> and most of these issues are significantly reduced.  Ie.
> The prefix list at this point has a maximum of 7K
> entries.

I don't think this is something we should get comfortable 

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