Re: [quicwg/base-drafts] PMTUD (ICMP variant) (#105)
martinduke <notifications@github.com> Tue, 10 January 2017 23:39 UTC
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Date: Tue, 10 Jan 2017 15:39:20 -0800
From: martinduke <notifications@github.com>
To: quicwg/base-drafts <base-drafts@noreply.github.com>
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References: <quicwg/base-drafts/pull/105@github.com>
Subject: Re: [quicwg/base-drafts] PMTUD (ICMP variant) (#105)
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martinduke commented on this pull request.
> +different minimum MTU in the path).
+
+## Packet MTU Determination
+
+Path MTU Discovery is optional, but endpoints that implement it observe the
+following requirements.
+
+### DF Marking {#dfmarking}
+
+QUIC endpoints set the Don't Fragment (DF) bit in the IP header of selected
+QUIC datagrams. These packets MUST use PADDING frames, as necessary, to raise the
+overall packet size to the expected maximum.
+
+The first packet from the client MUST be maximum-size and set the DF bit.
+
+The last server-generated packet in the Transport Handshake MUST be padded to
Padding the server message verifies that the MTU is the same on the reverse path.
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https://github.com/quicwg/base-drafts/pull/105
- [quicwg/base-drafts] Update draft-ietf-quic-trans… martinduke
- Re: [quicwg/base-drafts] Update draft-ietf-quic-t… Martin Thomson
- Re: [quicwg/base-drafts] Update draft-ietf-quic-t… Martin Thomson
- Re: [quicwg/base-drafts] Update draft-ietf-quic-t… Martin Thomson
- Re: [quicwg/base-drafts] Update draft-ietf-quic-t… Martin Thomson
- Re: [quicwg/base-drafts] Update draft-ietf-quic-t… Martin Thomson
- Re: [quicwg/base-drafts] PMTUD (ICMP variant) (#1… martinduke
- Re: [quicwg/base-drafts] PMTUD (ICMP variant) (#1… martinduke
- Re: [quicwg/base-drafts] PMTUD (ICMP variant) (#1… martinduke
- Re: [quicwg/base-drafts] PMTUD (ICMP variant) (#1… martinduke