Re: [quicwg/base-drafts] Server's preferred address (#1251)

[Mike Bishop <[e-mail]>]

MikeBishop commented on this pull request.



> +ID provided in the preferred_address transport parameter.
+
+If path validation succeeds, the client SHOULD immediately begin sending all
+non-probe packets to the new server address using the new connection ID and
+discontinue use of the old server address.  If path validation fails, the client
+MUST continue sending all future packets to the server's original IP address.
+
+### Responding to Connection Migration
+
+A server might receive a packet addressed to its preferred IP address at any
+time during the connection after the handshake is completed.  If this packet
+contains a PATH_CHALLENGE frame, the server sends a PATH_RESPONSE frame as per
+{{migrate-validate}}, but the server MUST continue sending all other packets
+from its original IP address.
+
+Once the server has received a non-probing packet on its preferred address which

Line 1612 defines the "probing frames" and talks about "packets containing other frames," but you're correct that there's not as clear a definition as I'd thought.  Let's add that in the top-level migration PR.  @janaiyengar?

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