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[quicwg/base-drafts] Padding ACK-only packets (#837)

Martin Thomson <notifications@github.com> Thu, 05 October 2017 17:30 UTC

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Subject: [quicwg/base-drafts] Padding ACK-only packets (#837)
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PADDING frames count toward bytes-in-flight, so they can't be included in ACK-only packets.  This makes it impossible to pad ACK-only packets.  This could prevent some forms of traffic analysis mitigation strategies.

@ekr observes that you could pad with more ACK frames, but that's clunky.

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