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Re: Spin bit decision

Lars Eggert <lars@eggert.org> Tue, 02 October 2018 16:42 UTC

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Subject: Re: Spin bit decision
From: Lars Eggert <lars@eggert.org>
In-Reply-To: <BB87D8D0-DA01-4C0F-B557-2A728BF19A64@trammell.ch>
Date: Tue, 02 Oct 2018 19:41:54 +0300
Cc: Marcus Ihlar <marcus.ihlar@ericsson.com>, "quic@ietf.org" <quic@ietf.org>, "alexandre.ferrieux@orange.com" <alexandre.ferrieux@orange.com>
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Hi,

On 2018-10-2, at 17:45, Brian Trammell (IETF) <ietf@trammell.ch> wrote:
> 
> IMO (and this is an opinion; I don't think anyone will have enough data to answer this question for real before Bangkok), as you say one "hyperscalar" turning the spin bit on -- even probabalistically, e.g. as Apple did (still does?) during transition to ECN-by-default on the client side -- would provide more than enough signal on the paths between the access networks of its users (most of them) and the network(s) through which it provides its services.
> 
> This would also be the case if one of the top-N CDNs and one major browser vendor did so (again, probabilistic activation suffices). The larger the set of the server networks implementing, the more coverage one would have for access and core network paths.

thanks, this is helpful!

Lars

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