Re: [quicwg/base-drafts] Add max_bytes_before_ack to transport (#1715)

ianswett <> Wed, 12 September 2018 16:57 UTC

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Subject: Re: [quicwg/base-drafts] Add max_bytes_before_ack to transport (#1715)
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ianswett commented on this pull request.

> @@ -3425,6 +3433,13 @@ immediately or when a delayed ack timer expires. The delayed ack timer MUST
 NOT delay an ACK for longer than an RTT, which ensures an ACK frame is sent
 at least once per RTT if new packets needing acknowledgement were received.
+If the max_bytes_before_ack transport parameter has been received, the
+receiver SHOULD send an ACK frame immediately when at least that many octets
+of packets containing frames besides ACK or PADDING have been received since
+sending the previous ACK frame. If a receiver sends ACK frames less frequently,
+it risks causing the sender to send more slowly, which may lower the delivery
+rate at the receiver.

Agreed, but it is simple to implement.

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