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Make language in ECN validation clearer #3777

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merged 9 commits into from Jun 23, 2020
Merged

Make language in ECN validation clearer #3777

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5e06b31
Make language in ECN validation clearer
martinthomson Jun 18, 2020
0cc27c7
Remove normative change
martinthomson Jun 18, 2020
2c16829
Don't use MUST for ECN validation
martinthomson Jun 18, 2020
49507b4
Rework ECN validation rules
martinthomson Jun 18, 2020
b760aa9
Remove the complicated check, simplify
martinthomson Jun 19, 2020
7ed7007
Tweak language more
martinthomson Jun 19, 2020
56370b0
Small improvements
martinthomson Jun 19, 2020
911dbe4
Similarly
martinthomson Jun 19, 2020
b3efc66
it performs...
martinthomson Jun 23, 2020
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4 changes: 2 additions & 2 deletions draft-ietf-quic-transport.md
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Expand Up @@ -3818,8 +3818,8 @@ validation using ECT(1) counts.

Erroneous application of ECN marks in the network can result in degraded
connection performance. An endpoint that receives an ACK frame with ECN
counts therefore validates the counts before using them. An endpoint validates
these counts by comparing newly received counts against those from the last
counts therefore validates the counts before using them. It performs this
validation by comparing newly received counts against those from the last
successfully processed ACK frame. Any increase in ECN counts is validated
based on the markings that were applied to packets that are newly
acknowledged in the ACK frame.
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