Re: [quicwg/base-drafts] Most the Retry-related fixes (#1788)

Martin Thomson <> Sat, 22 September 2018 16:36 UTC

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Subject: Re: [quicwg/base-drafts] Most the Retry-related fixes (#1788)
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martinthomson commented on this pull request.

> @@ -739,9 +742,10 @@ Source Connection IDs during the handshake.
 On first receiving an Initial or Retry packet from the server, the client uses
 the Source Connection ID supplied by the server as the Destination Connection ID
-for subsequent packets.  Once a client has received an Initial packet from the
-server, it MUST discard any packet it receives with a different Source
-Connection ID.
+for subsequent packets.  That means that a client might change the Destination
+Connection ID twice during connection establishment.  Once a client has received

There is nothing stopping the server from sending multiple Retry packets (regardless of which flight they came from, whether they had token, or anything).  However, the client is only going to process one of them.

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