Re: [quicwg/base-drafts] Spin per peer (#1982)

MikkelFJ <notifications@github.com> Sun, 25 November 2018 20:48 UTC

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Subject: Re: [quicwg/base-drafts] Spin per peer (#1982)
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mikkelfj commented on this pull request.



> -
-When the spin bit is disabled, endpoints SHOULD set the spin bit value to zero,
-regardless of the values received from their peer. Addendums or revisions to
+fraction of connections.
+
+The selection process SHOULD be designed such that
+on average the spin bit is disabled for at least one eighth of network paths.
+The random choice SHOULD be dependent
+on the source and destination addresses of the path,
+so that the spin bit is consistently enabled or
+disabled for repeated use of the same path.
+
+When the spin bit is disabled, endpoints SHOULD set the spin bit value to
+a constant value randomly chosen to be 0 or 1,
+regardless of the values received from their peer.  Alternatively, endpoints MAY
+change this value when changing connection ID.  Addendums or revisions to

You can't use the PNE mask for creating random data that is part of the data protected by AEAD tag because the PNE process might be offloaded to a separate process or hardware.

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