diff options
Diffstat (limited to 'usr/src/man')
| -rw-r--r-- | usr/src/man/man7p/tcp.7p | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/usr/src/man/man7p/tcp.7p b/usr/src/man/man7p/tcp.7p index 752133bec2..0b51d15b07 100644 --- a/usr/src/man/man7p/tcp.7p +++ b/usr/src/man/man7p/tcp.7p @@ -263,6 +263,22 @@ The process must have the .Dv PRIV_SYS_NET_CONFIG privilege if it wants to specify a number greater than that calculated by RFC 3390. +.Pp +The operating system also provides alternative algorithms that may be more +appropriate for your application, including the CUBIC congestion control +algorithm described in RFC 8312. +These can be configured system-wide using +.Xr ipadm 1M , +or on a per-connection basis with the TCP-level socket option +.Dv TCP_CONGESTION , +whose argument is the name of the algorithm to use +.Pq for example Dq cubic . +If the requested algorithm does not exist, then +.Fn setsockopt +will fail, and +.Va errno +will be set to +.Er ENOENT . .Ss "TCP Keep-Alive" Since TCP determines whether a remote peer is no longer reachable by timing out waiting for acknowledgements, a host that never sends any new data may never |