Bill, At IETF 96 in Berlin, Warren gave a presentation discussing how Google is using this in their recursive servers. Here's the link to the recorded video for the whole dnsop session:
http://recs.conf.meetecho.com/Playout/watch.jsp?recording=IETF96_DNSOP&chapter=chapter_1 For me the most interesting slide is around minute 25 where we see aggressive NSEC reducing the number of queries from Google servers to the root by over 90%. Cheers, -- Shane At 2016-12-17 12:17:17 -0800 william manning <chinese.apri...@gmail.com> wrote: > David, it would seem that fact-driven processes might serve the operational > ecosystem better than SWAG, don't you agree? > Warren, do you have, even antecdotal data on the impact of aggressive NSEC > and traffic to the roots, that would inform this discussion (maybe). At > least it would give the root operators a heads up that they were, once > again, being asked to backstop issues that should be handled elsewhere. > > /Wm > > On Sat, Dec 17, 2016 at 11:42 AM, David Conrad <d...@virtualized.org> wrote: > > > Bill, > > > > On Dec 17, 2016, at 11:36 AM, william manning <chinese.apri...@gmail.com> > > wrote: > > > Is there any public data to support the presumptions of excess capacity > > at the roots and the impact of NSEC aggressive use on the DNS? > > > > Warren provided some interesting anecdotes at the last IEPG, but I'm > > unaware of any formal modeling. > > > > > I know that in the previous century, punting on operational impact by > > guessing about outcomes was common. I thought the IETF had moved away > > from SWAG and was working toward a more disciplined and fact based process > > for making changes. > > > > I make no comment on what the IETF has moved towards or away from. > > > > Regards, > > -drc > > (speaking only for myself) > > > > > > > >
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