[dns-operations] Resolvers choosing low latency nameservers

Matthäus Wander matthaeus.wander at uni-due.de
Fri Jun 21 13:27:12 UTC 2013


Hi,

are there any studies or anecdotal evidence about how recursive
resolvers select a query destination from a set of authoritative servers
with known RTTs, and how often they re-probe the slower ones?

Specifically, how many queries in what period of time would it take
until a BIND or Unbound has re-probed all auth ns of e.g. com?

Regards,
Matt

-- 
Universität Duisburg-Essen
Verteilte Systeme
Bismarckstr. 90 / BC 316
47057 Duisburg

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