Re: [quicwg/base-drafts] Request to Retire Locally Issued CIDs (#2769)

[MikkelFJ <[e-mail]>]

mikkelfj commented on this pull request.



> @@ -5018,10 +5034,16 @@ sequence number, or if a sequence number is used for different connection
 IDs, the endpoint MAY treat that receipt as a connection error of type
 PROTOCOL_VIOLATION.
 
+If the Retire Prior To field is present it is a request for the peer to
+immediately retire all connection IDs with a sequence number less than the
+specified value.  For more information see {{retiring-cids}}.  This field
+should only ever increase, though reordering and retransmission of older packets
+may make it seem to decrease.  So any decrease in this field should be ignored.
+

Retransmission of packets is not the right term here but I agree with the overall intent. To be consistent with other monotonic fields perhaps says something like the SHOULD not send a smaller value unless a previous frame is retransmitted verbatim. MUST ignore frames with a prior to value less than one previously received.

This means that the entire frame is to be ignored, not just the prior to field.

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