Re: [quicwg/base-drafts] First byte changes (#2006)

Igor Lubashev <notifications@github.com> Tue, 20 November 2018 01:30 UTC

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Subject: Re: [quicwg/base-drafts] First byte changes (#2006)
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igorlord commented on this pull request.



>  
-: The fourth bit (0x10) of byte 0 is set to 1.
+: The next two bits (those with a mask of 0x18) of byte 0 are reserved.  These
+  bits are protected using header protection (see Section 5.4 of
+  {{QUIC-TLS}}).  The value included prior to protection MUST be set to 0.  An

I do not have experience operating a network with completely opaque traffic.  So it is very possible that experiments with these bits would not materialize even if the bits were available for experimentation.  On the other hand, it is possible that some experiments could prove valuable to operators and not be a privacy threat.

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