Re: [quicwg/base-drafts] 5-tuple routing and SPA (#3608)

Kazuho Oku <> Fri, 01 May 2020 19:49 UTC

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Date: Fri, 01 May 2020 12:49:45 -0700
From: Kazuho Oku <>
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Subject: Re: [quicwg/base-drafts] 5-tuple routing and SPA (#3608)
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> So your suggestion is that disable_active_migration applies only to the original address and the SPA must always support active migration, because it has to use CID routing?

Exactly. I think that that would be the correct thing to do, if we are to make changes.

I agree that existing clients might be applying `disable_active_migration` after migrating to SPA, and that they do not want change. But they can remain as they are, because the change in spec does not lead to interoperability issues.

To paraphrase, I think making the aforementioned change is strictly better than doing nothing, because it would be an improvement to some, while not hurting anybody.

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