[bind10-dev] Nameserver Address Store and RFC 2308 - Comments Requested

Stephen Morris stephen at isc.org
Wed Nov 24 19:38:10 UTC 2010


On 24 Nov 2010, at 16:22, Jerry Scharf wrote:

> Stephen,
> 
> My concern with your proposal is that the average time for the user to get their answer in increased with your method. I think we want to use the fastest nameserver for all but the sporadic probes to update the TTL list.

I think it depends what function is used to determine probabilities.

The following study - http://www.sonycsl.co.jp/person/kjc/papers/placement.pdf (thanks to Jinmei for unearthing it) - supports the idea of farming out queries according to some metric of the server (in our case, RTT).

Stephen




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