Re: [quicwg/base-drafts] Retransmit server initial upon second Initial (#3080)

Martin Thomson <> Tue, 03 March 2020 23:47 UTC

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From: Martin Thomson <>
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Subject: Re: [quicwg/base-drafts] Retransmit server initial upon second Initial (#3080)
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martinthomson commented on this pull request.

> +Peers can also use coalesced packets to ensure that each datagram elicits at least
+one acknowledgement.  For example, clients can coalesce an Initial packet
+containing PING and PADDING frames with a 0-RTT data packet and a server can
+coalesce an Initial packet containing a PING frame with one or more packets in
+its first flight.

My understanding is that this economizes probe packets.  Those are limited and # pn spaces > # probe packets.

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