Subject: [quicwg/base-drafts] 2c1682: Don't use MUST for ECN validation

From: Martin Thomson <[email-masked]>
Date: Wed, 17 Jun 2020 23:42:48 -0700

Branch: refs/heads/clearer-ecn-validation
  Home:   https://github.com/quicwg/base-drafts
  Commit: 2c168299e72a17ca9aff36c529f49fb9710c7bcb
      https://github.com/quicwg/base-drafts/commit/2c168299e72a17ca9aff36c529f49fb9710c7bcb
  Author: Martin Thomson <[email-masked]>
  Date:   2020-06-18 (Thu, 18 Jun 2020)

  Changed paths:
    M draft-ietf-quic-transport.md

  Log Message:
  -----------
  Don't use MUST for ECN validation

It is not an interoperability problem if the ECN counts don't match up,
it's just that ECN can't be used.  Avoid using normative language for
this, which implies non-compliance by a peer: the non-compliance is
likely somewhere in the network.