Re: [Dots] [tsvwg] Best transport selection during an attack?

🔓Dan Wing <dwing@cisco.com> Sun, 15 November 2015 20:31 UTC

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From: 🔓Dan Wing <dwing@cisco.com>
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Date: Sun, 15 Nov 2015 12:31:43 -0800
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To: Roland Dobbins <rdobbins@arbor.net>
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Cc: dots@ietf.org, Tirumaleswar Reddy <tireddy@cisco.com>
Subject: Re: [Dots] [tsvwg] Best transport selection during an attack?
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On 12-Nov-2015 05:55 pm, Roland Dobbins <rdobbins@arbor.net> wrote:
> 
> On 12 Nov 2015, at 23:19, Kristian Larsson wrote:
> 
>> While rfc6555 targets stateful transports there is nothing preventing doing the same for UDP, as long as there is some form of request/response semantics of the service running on top, which I believe we will have.

Yes, Happy Eyeballs (RFC6555) concepts can be applied to other transports.  For example Preethi and I described how to apply Happy Eyeballs to SCTP, draft-wing-tsvwg-happy-eyeballs-sctp (expired).

-d


> 
> I *think* this is correct; Dan Wing and Tiru Reddy can certainly comment more.
> 
>> I think  "Happy DOTS" should do v4/v6 selection and UDP / TCP selection per default. If someone wants to statically configure UDPoIPv4 that is fine but I'd like to see a recommendation for the default being to automatically figure out the best combination.
> 
> This is potentially useful implementation guidance, IMHO.  Very interested in hearing more from Dan, Tiru, and others as to their thoughts.
> 
> -----------------------------------
> Roland Dobbins <rdobbins@arbor.net>