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QUIC: avoid send rate reduction during migration due to probe packet loss.

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nandsky 2025-07-19 17:54:51 +08:00
parent c52c5698cd
commit 7a7846a54a
1 changed files with 10 additions and 0 deletions
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10
src/event/quic/ngx_event_quic_migration.c
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@ -582,6 +582,16 @@ ngx_quic_send_path_challenge(ngx_connection_t *c, ngx_quic_path_t *path)
frame->level = NGX_QUIC_ENCRYPTION_APPLICATION;
frame->type = NGX_QUIC_FT_PATH_CHALLENGE;
/*
* RFC 9000, 9.4. Loss Detection and Congestion Control
*
* A sender can make exceptions for probe packets so that their loss
* detection is independent and does not unduly cause the congestion
* controller to reduce its sending rate.
*/
frame->ignore_loss = 1;
ngx_memcpy(frame->u.path_challenge.data, path->challenge[n], 8);
/*