Re: [quicwg/base-drafts] Correcting polarity of SPA language (#2349)

Martin Thomson <> Tue, 22 January 2019 23:47 UTC

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From: Martin Thomson <>
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Subject: Re: [quicwg/base-drafts] Correcting polarity of SPA language (#2349)
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martinthomson commented on this pull request.

> @@ -2149,12 +2149,11 @@ MUST continue sending all future packets to the server's original IP address.
 A server might receive a packet addressed to its preferred IP address at any
 time after it accepts a connection.  If this packet contains a PATH_CHALLENGE
 frame, the server sends a PATH_RESPONSE frame as per {{migrate-validate}}.  The
-server MAY send other non-probing frames from its preferred address, but MUST
-continue sending all probing packets from its original IP address.
+server SHOULD send other non-probing frames from its original address until it
+receives a non-probing packet from the client at its preferred address.

receives a non-probing packet from the client at its preferred address and the server
has validated the new path.

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