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[quicwg/base-drafts] Largest acked in ACK frame MUST NOT decrease (#2205)

janaiyengar <notifications@github.com> Tue, 18 December 2018 22:17 UTC

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Subject: [quicwg/base-drafts] Largest acked in ACK frame MUST NOT decrease (#2205)
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This is implicitly assumed, and, as @martinthomson points out in [his comment](https://github.com/quicwg/base-drafts/pull/2189#discussion_r242012566), not doing so can cause undesired outcomes. There should be normative text in the transport draft requiring this behavior.

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