Re: [quicwg/base-drafts] Fix congestion control permissiveness (#3248)

ianswett <> Sun, 17 November 2019 07:15 UTC

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Date: Sat, 16 Nov 2019 23:14:59 -0800
From: ianswett <>
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Subject: Re: [quicwg/base-drafts] Fix congestion control permissiveness (#3248)
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ianswett commented on this pull request.

-Implementations MAY use other congestion control algorithms, such as
-Cubic {{?RFC8312}}, and endpoints MAY use different algorithms from one another.
-The signals QUIC provides for congestion control are generic and are designed
-to support different algorithms.
+If an endpoint uses a different controller than that specified in this document,
+it MUST conform to the congestion control guidelines specified in {{!RFC8085}}.
+The algorithm in this document specifies and uses the controller's congestion
+window in bytes.
+An endpoint MUST NOT send a packet if it would cause bytes_in_flight (see
+{{vars-of-interest}}) to be larger than the congestion window, unless the packet
+is a probe sent on a PTO timer expiration (see {{pto}}).

is sent on a PTO timer expiration (see {{pto}}).

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