Re: [v6ops] An Update to Happy Eyeballs

Joe Touch <touch@isi.edu> Thu, 09 March 2017 18:34 UTC

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To: Nick Chettle <nick@nccnetworks.co.uk>, David Schinazi <dschinazi@apple.com>, IPv6 Operations <v6ops@ietf.org>
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From: Joe Touch <touch@isi.edu>
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Date: Thu, 09 Mar 2017 10:33:53 -0800
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Subject: Re: [v6ops] An Update to Happy Eyeballs
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On 3/9/2017 9:22 AM, Nick Chettle wrote:
> Both queries SHOULD be sent on the wire as
>    close together as possible, with the ordering being dictated by the
>    system's host address preference policy.
With one or more layers (link, tunnel, etc.), and possibly one or more
"wires", the end system might not have any control over this requirement.

Why is it needed?

(if it applies ONLY if the queries end up on the same "wire", how would
an end system even detect that?)

Joe