<div dir="ltr"><div>Yes,  that's it Andrew, many thanks.  <br><br>Shame it wasn't published more formally :-/<br><br></div>Gavin<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Nov 5, 2016 at 5:14 PM, Andrew Sullivan <span dir="ltr"><<a href="mailto:ajs@anvilwalrusden.com" target="_blank">ajs@anvilwalrusden.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I know that I worked on a paper on this with Ólafur (he did the real<br>
work, I was just involved in some writing and drawing some additional<br>
distinctions) when we both worked at Shinkuro, but I'm pretty sure the<br>
paper never found a home.  I found a presentation by just him,<br>
however:<br>
<br>
<a href="http://archive.icann.org/en/meetings/siliconvalley2011/bitcache/Conclusions%20from%20DNS%20Traces%20-%20Olafur%20Gudmunsson,%20Shinkuro-vid=23075&disposition=attachment&op=download.pdf" rel="noreferrer" target="_blank">http://archive.icann.org/en/<wbr>meetings/siliconvalley2011/<wbr>bitcache/Conclusions%20from%<wbr>20DNS%20Traces%20-%20Olafur%<wbr>20Gudmunsson,%20Shinkuro-vid=<wbr>23075&disposition=attachment&<wbr>op=download.pdf</a><br>
<br>
Maybe that's it?<br>
<br>
A<br>
<div class="HOEnZb"><div class="h5"><br>
On Sat, Nov 05, 2016 at 02:43:32PM -0700, Gavin McCullagh wrote:<br>
> Hi,<br>
><br>
> I'm searching in vain for a link to a paper or presentation I'm sure I've<br>
> read in the past.<br>
><br>
> It described measurements of the various resolvers' behaviour, specifically<br>
> which NS records they tend to cache and reuse in practice for a given zone<br>
> cut -- the non-authoritative delegations from the parent zone or the<br>
> authoritative records from the child zone.<br>
><br>
> Any chance someone has a link to hand?<br>
><br>
> Gavin<br>
<br>
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</span><span class="HOEnZb"><font color="#888888">--<br>
Andrew Sullivan<br>
<a href="mailto:ajs@anvilwalrusden.com">ajs@anvilwalrusden.com</a><br>
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