* [PATCH 2/3] tcp_cubic: make the delay threshold of HyStart less sensitive
@ 2011-03-14 0:04 Sangtae Ha
0 siblings, 0 replies; only message in thread
From: Sangtae Ha @ 2011-03-14 0:04 UTC (permalink / raw)
To: Lucas Nussbaum
Cc: Stephen Hemminger, David Miller, Injong Rhee, Bill Fink, netdev,
Sangtae Ha
Make HyStart less sensitive to abrupt delay variations due to buffer bloat.
Signed-off-by: Sangtae Ha <sangtae.ha@gmail.com>
---
net/ipv4/tcp_cubic.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/net/ipv4/tcp_cubic.c b/net/ipv4/tcp_cubic.c
index ab9f888..b758db1 100644
--- a/net/ipv4/tcp_cubic.c
+++ b/net/ipv4/tcp_cubic.c
@@ -39,7 +39,7 @@
/* Number of delay samples for detecting the increase of delay */
#define HYSTART_MIN_SAMPLES 8
-#define HYSTART_DELAY_MIN (2U<<3)
+#define HYSTART_DELAY_MIN (4U<<3)
#define HYSTART_DELAY_MAX (16U<<3)
#define HYSTART_DELAY_THRESH(x) clamp(x, HYSTART_DELAY_MIN, HYSTART_DELAY_MAX)
--
1.7.0.4
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2011-03-14 0:04 [PATCH 2/3] tcp_cubic: make the delay threshold of HyStart less sensitive Sangtae Ha
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