Re: [quicwg/base-drafts] Linkability with preferred_address usage (#3559)

MikkelFJ <> Wed, 08 April 2020 15:12 UTC

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Date: Wed, 08 Apr 2020 08:12:37 -0700
From: MikkelFJ <>
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Subject: Re: [quicwg/base-drafts] Linkability with preferred_address usage (#3559)
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Transport section 9.5 says "An endpoint MUST use a new connection ID if it initiates connection migration as described in Section 9.2 or probes a new network path as described in Section 9.1. ". 

Section 19.15 (NEW_CONNECTION_ID) says: "An endpoint MUST NOT send this frame if it currently requires that its peer send packets with a zero-length Destination Connection ID. "

I take this means active migration cannot happen with 0-length ID.

BTW: in a few places "zero length" used over the more common "zero-length".

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