Re: [quicwg/base-drafts] Integrate QUIC text from DPLPMTUD (#3693)

Martin Thomson <> Wed, 27 May 2020 07:20 UTC

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Date: Wed, 27 May 2020 00:20:12 -0700
From: Martin Thomson <>
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Subject: Re: [quicwg/base-drafts] Integrate QUIC text from DPLPMTUD (#3693)
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@martinthomson commented on this pull request.

>  The endpoint SHOULD ignore all ICMP messages that fail validation.
 An endpoint MUST NOT increase PMTU based on ICMP messages; see Section 3, clause
 6 of {{!DPLPMTUD}}.  Any reduction in the QUIC maximum packet size in response
 to ICMP messages MAY be provisional until QUIC's loss detection algorithm
 determines that the quoted packet has actually been lost.
+### PMTUD Probes with Handshake packets

Please take a look at #3702 for a proposed tweak.

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