[dns-operations] resolvers considered harmful

Matthew Pounsett matt at conundrum.com
Thu Oct 23 16:14:02 UTC 2014

On Oct 23, 2014, at 11:59 , Andrew Sullivan <ajs at anvilwalrusden.com> wrote:

> Also, as I already noted, modelling this in a delegation-centric zone
> uses the wrong model.  Moreover, the data sets are from a notably tiny
> shared-iterative-resolver community.  It seems to me that
> understanding the endpoint:iterative ratios in (for instance)
> Comcast's, Time-Warner's, AT&T's, Verizon's, and T-Mobile's networks
> (even just in the US) would go a long way to indicating whether the
> inferences about load in this paper are realistic.

Agreed.  Most people are behind caches with at least an order of magnitude more users whether they’re at home or at work.  Lots of people are behind caches with two or three orders of magnitude more users.  The behaviour of those caching recursive servers would be very different from this study.

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