Re: [quicwg/base-drafts] Rework Retry packet (#1498)

[Mike Bishop <[e-mail]>]

MikeBishop commented on this pull request.



> +of subsequent packets that it sends.
+
+A Retry packet does not include a packet number and cannot be explictly
+acknowledged by a client.
+
+A server MUST only send a Retry in response to a client Initial packet.
+
+If the Original Destination Connection ID field does not match the Destination
+Connection ID from the most recent Initial packet it sent, clients MUST discard
+the packet.  This prevents an off-path attacker from injecting a Retry packet.
+
+The client responds to a Retry packet with an Initial packet that includes the
+provided Retry Token to continue connection establishment.
+
+A server that might send another Retry packet in response to a subsequent
+Initial packet MUST set the Source Connection ID to new value of at least 8

@martinthomson, @mikkelfj's comment was directed to this line -- "to **a** new value"

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