Moin!
On 12 May 2015, at 5:56, Doug Barton wrote:
With respect, we all have to stop talking about DNS being TCP XOR UDP.
I'm not a proponent of switching DNS exclusively to TCP, but both
stacks play a role in performance; and TCP's role will only get bigger
as responses sizes grow due to IPv6, DNSSEC, etc.
I am not saying that we should not do DNS over TCP. It's in the RFCs.
But there is a cost on doing traffic over TCP compared to UDP and that
is the case even if we only consider normal and not DDOS traffic. I'm
not sure if TCPs role will get significantly bigger over time, given
that people who operate large chunks of DNS seem to be very careful
about avoiding it and so far EDNS has done a good job for us.
So long
-Ralf
---
Ralf Weber
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