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(parent: 6bf13e9) | patch
QUIC: ignore congestion control when sending MTU probes.
authorRoman Arutyunyan <arut@nginx.com>
Mon, 6 Jan 2025 06:19:56 +0000 (10:19 +0400)
committerRoman Arutyunyan <arutyunyan.roman@gmail.com>
Tue, 15 Apr 2025 15:01:36 +0000 (19:01 +0400)
commita40cc700238796d6668a461e121f6ffee5066394
tree8e40f75b586cdb4ab02c1f72fd1c1157dff590e1tree | snapshot
parent6bf13e9d57bbc664ac055cdb58c738b09a0f0189commit | diff
QUIC: ignore congestion control when sending MTU probes.

If connection is network-limited, MTU probes have little chance of being
sent since congestion window is almost always full.  As a result, PMTUD
may not be able to reach the real MTU and the connection may operate with
a reduced MTU.  The solution is to ignore the congestion window.  This may
lead to a temporary increase in in-flight count beyond congestion window.
src/event/quic/ngx_event_quic_migration.c diff | blob | history
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