TCP Congestion Control : Google BBR on Linux

(Last Updated On: April 1, 2020)

Google BBR

좋은 거

Requirements

  • Linux >= 4.9

1 Check Available Kernel Support

grep 'CONFIG_TCP_CONG_BBR' /boot/config-$(uname -r)

 

[root@localhost ~]# grep 'CONFIG_TCP_CONG_BBR' /boot/config-$(uname -r)
CONFIG_TCP_CONG_BBR=m

2 Applying

Insert into /etc/sysctl.conf

net.core.default_qdisc=fq
net.ipv4.tcp_congestion_control=bbr

Applying Kernel Settings

sysctl -p

 

3 verify

[root@localhost ~]# sysctl net.ipv4.tcp_congestion_control
net.ipv4.tcp_congestion_control = bbr