Re: [dns-privacy] [Step 2] More discussion needed: state your opinion

"Tirumaleswar Reddy (tireddy)" <tireddy@cisco.com> Thu, 15 December 2016 09:02 UTC

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From: "Tirumaleswar Reddy (tireddy)" <tireddy@cisco.com>
To: Stephen Farrell <stephen.farrell@cs.tcd.ie>, Christian Huitema <huitema@huitema.net>, 'Paul Hoffman' <paul.hoffman@vpnc.org>, 'Shane Kerr' <shane@time-travellers.org>
Thread-Topic: [dns-privacy] [Step 2] More discussion needed: state your opinion
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Date: Thu, 15 Dec 2016 09:02:38 +0000
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References: <20161213105936.opaqw6hwwkx3txk2@nic.fr> <20161213154625.6b314fe6@pallas.home.time-travellers.org> <95029041-8B56-460B-820A-B22D162019AB@vpnc.org> <046801d25579$4ec91350$ec5b39f0$@huitema.net> <ca21e0b1-3dd8-a2e7-b238-fc00b1560e54@cs.tcd.ie>
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Subject: Re: [dns-privacy] [Step 2] More discussion needed: state your opinion
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> -----Original Message-----
> From: dns-privacy [mailto:dns-privacy-bounces@ietf.org] On Behalf Of
> Stephen Farrell
> Sent: Wednesday, December 14, 2016 4:10 AM
> To: Christian Huitema <huitema@huitema.net>; 'Paul Hoffman'
> <paul.hoffman@vpnc.org>; 'Shane Kerr' <shane@time-travellers.org>
> Cc: dns-privacy@ietf.org
> Subject: Re: [dns-privacy] [Step 2] More discussion needed: state your opinion
> 
> 
> (With no hats...)
> 
> On 13/12/16 19:44, Christian Huitema wrote:
> > On Tuesday, December 13, 2016 11:16 AM, Paul Hoffman wrote:
> >>
> >> If what we invent has better characteristics than DTLS or TLS, that
> >> means that the TLS WG failed to find something that we could. That
> >> seems
> >> *incredibly* unlikely, given the people active in the two WGs.
> >
> > Actually, QUIC might provide an answer, if you are willing to wait a
> > couple years.
> 
> Yeah, I think QUIC might be good here. And maybe the 2 years isn't so bad
> either...

How will DNS benefit from QUIC ?
DNS can use (D)TLS 1.3 just like QUIC using TLS 1.3.

-Tiru

> 
> Given that a fallback to TCP/TLS is likely needed even if the right answer is
> QUIC, and given that however the WG decide to address server authentication
> and session management should work just as well for TCP/TLS as for QUIC...
> maybe the WG could experiment with TCP/TLS in the medium term with the
> longer term plan being to move to QUIC with TCP/TLS as the fallback whenever
> QUIC seems ready for primetime.
> 
> There're probably some flaws in the above, but it might be a plan.
> 
> Cheers,
> S.
> 
> 
> > Runs over UDP, uses TLS 1.3 key negotiation, encrypts pretty much
> > everything, enables 0-RTT, and manages multiple flows. A one-query per
> > QUIC-flow model would provide better service than TCP because it does
> > not suffer from head of queue blocking, and better service than DTCP
> > because it does not limit the amount of data sent in queries and
> > response. But of course, the QUIC WG is just getting started, so it
> > will probably take two years before we can start deployment of something
> like DNS over QUIC.
> >
> > -- Christian Huitema
> >
> >
> >
> > _______________________________________________
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> > dns-privacy@ietf.org
> > https://www.ietf.org/mailman/listinfo/dns-privacy
> >