Re: [quicwg/base-drafts] Merge crypto timeout into PTO (#2655)

[Jana Iyengar <[e-mail]>]

janaiyengar commented on this pull request.



> +The initial PTO SHOULD be set to twice the initial RTT or 1 second if no
+initial RTT is available as recommended in {{?RFC6298}}.
+
+Until the server has validated the client's address on the path, the amount of
+data it can send is limited, as specified in Section 8.1 of {{QUIC-TRANSPORT}}.
+If not all unacknowledged CRYPTO data can be sent, then all unacknowledged
+CRYPTO data sent in Initial packets should be retransmitted.  If no data can be
+sent, then no alarm should be armed until data has been received from the
+client.
+
+Because the server could be blocked until more packets are received, the client
+MUST ensure that the crypto retransmission timer is set if there is
+unacknowledged crypto data or if the client does not yet have 1-RTT keys.
+If the crypto retransmission timer expires before the client has 1-RTT keys,
+it is possible that the client may not have any crypto data to retransmit.
+However, the client MUST send a new packet, containing only PING or PADDING

Fair point. Yeah, I think only PADDING is fine.

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