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ECN validation nits #3747

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merged 2 commits into from Jun 9, 2020
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ECN validation nits #3747

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ECN validation nits
martinthomson Jun 9, 2020
ac51483
QUIC packets
martinthomson Jun 9, 2020
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6 changes: 3 additions & 3 deletions draft-ietf-quic-transport.md
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Expand Up @@ -3718,9 +3718,9 @@ this requires being able to read the ECN codepoints from the enclosing IP
packet, which is not possible on all platforms.

An IP packet that results in no QUIC packets being processed does not increase
ECN counts. A packet detected by a receiver as a duplicate does not affect the
receiver's local ECN codepoint counts; see {{security-ecn}} for relevant
security concerns.
ECN counts. A QUIC packet detected by a receiver as a duplicate does not
affect the receiver's local ECN codepoint counts; see {{security-ecn}} for
relevant security concerns.

If an endpoint receives a QUIC packet without an ECT or CE codepoint in the IP
packet header, it responds per {{generating-acks}} with an ACK frame without
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