[dns-privacy] John Scudder's No Objection on draft-ietf-dprive-dnsoquic-10: (with COMMENT)

John Scudder via Datatracker <noreply@ietf.org> Thu, 10 March 2022 14:25 UTC

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Date: Thu, 10 Mar 2022 06:25:50 -0800
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Subject: [dns-privacy] John Scudder's No Objection on draft-ietf-dprive-dnsoquic-10: (with COMMENT)
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John Scudder has entered the following ballot position for
draft-ietf-dprive-dnsoquic-10: No Objection

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COMMENT:
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Thanks for this, I found it clear and easy to read. I have just a couple
comments.

1. In §5.2, there is

   Servers MAY defer processing of a query until the STREAM FIN has been
   indicated on the stream selected by the client.  Servers and clients
   MAY monitor the number of "dangling" streams for which the expected
   queries or responses have been received but not the STREAM FIN.
   Implementations MAY impose a limit on the number of such dangling
   streams.  If limits are encountered, implementations MAY close the
   connection.

Wouldn’t a stream be dangling even if the expected queries and responses hadn’t
been received? I.e., isn’t the thing that makes a stream “dangling” simply the
lack of a STREAM FIN?

2. In §5.4,

                                                      Client and servers
   that send packets over a connection discarded by their peer MAY
   receive a stateless reset indication.

This seems like a misuse of the RFC 2119 MAY. Do you mean "may" or better
still, "might" or "could"? If you really mean the 2119 keyword, then a rewrite
seems to be in order to put this in terms of the other party being permitted to
send the reset.