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[TCP]: make cubic the default

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Change default congestion control used from BIC to the newer CUBIC
which it the successor to BIC but has better properties over long delay links.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger 2006-09-24 20:13:03 -07:00 committed by David S. Miller
parent 3d2573f7eb
commit 597811ec16
1 changed files with 6 additions and 6 deletions
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12
net/ipv4/Kconfig
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@ -455,7 +455,7 @@ menuconfig TCP_CONG_ADVANCED
modules. modules.
Nearly all users can safely say no here, and a safe default Nearly all users can safely say no here, and a safe default
selection will be made (BIC-TCP with new Reno as a fallback). selection will be made (CUBIC with new Reno as a fallback).
If unsure, say N. If unsure, say N.
@ -463,7 +463,7 @@ if TCP_CONG_ADVANCED
config TCP_CONG_BIC config TCP_CONG_BIC
tristate "Binary Increase Congestion (BIC) control" tristate "Binary Increase Congestion (BIC) control"
default y default m
---help--- ---help---
BIC-TCP is a sender-side only change that ensures a linear RTT BIC-TCP is a sender-side only change that ensures a linear RTT
fairness under large windows while offering both scalability and fairness under large windows while offering both scalability and
@ -477,7 +477,7 @@ config TCP_CONG_BIC
config TCP_CONG_CUBIC config TCP_CONG_CUBIC
tristate "CUBIC TCP" tristate "CUBIC TCP"
default m default y
---help--- ---help---
This is version 2.0 of BIC-TCP which uses a cubic growth function This is version 2.0 of BIC-TCP which uses a cubic growth function
among other techniques. among other techniques.
@ -574,7 +574,7 @@ config TCP_CONG_VENO
choice choice
prompt "Default TCP congestion control" prompt "Default TCP congestion control"
default DEFAULT_BIC default DEFAULT_CUBIC
help help
Select the TCP congestion control that will be used by default Select the TCP congestion control that will be used by default
for all connections. for all connections.
@ -601,7 +601,7 @@ endchoice
endif endif
config TCP_CONG_BIC config TCP_CONG_CUBIC
tristate tristate
depends on !TCP_CONG_ADVANCED depends on !TCP_CONG_ADVANCED
default y default y
@ -614,7 +614,7 @@ config DEFAULT_TCP_CONG
default "vegas" if DEFAULT_VEGAS default "vegas" if DEFAULT_VEGAS
default "westwood" if DEFAULT_WESTWOOD default "westwood" if DEFAULT_WESTWOOD
default "reno" if DEFAULT_RENO default "reno" if DEFAULT_RENO
default "bic" default "cubic"
source "net/ipv4/ipvs/Kconfig" source "net/ipv4/ipvs/Kconfig"