Re: [quicwg/base-drafts] use a HANDSHAKE_DONE frame to drive the handshake to confirmation (#3145)

[ianswett <[e-mail]>]

ianswett approved this pull request.



> @@ -390,13 +390,15 @@ perspective of the endpoint in question.
 
 ### Handshake Confirmed {#handshake-confirmed}
 
-In this document, the TLS handshake is considered confirmed at an endpoint when
-the following two conditions are met: the handshake is complete, and the
-endpoint has received an acknowledgment for a packet sent with 1-RTT keys.
-This second condition can be implemented by recording the lowest packet number
-sent with 1-RTT keys, and the highest value of the Largest Acknowledged field
-in any received 1-RTT ACK frame: once the latter is higher than or equal to the
-former, the handshake is confirmed.
+In this document, the TLS handshake is considered confirmed at the server when
+the handshake completes.  At the client, the handshake is considered confirmed
+when a HANDSHAKE_DONE frame is received.
+
+A client MAY consider the handshake to be confirmed when it receives an
+acknowledgement for a 1-RTT packet.  This can be implemented by recording the
+lowest packet number sent with 1-RTT keys, and the highest value of the Largest

```suggestion
lowest packet number sent with 1-RTT keys, and comparing to the Largest
```

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