diff options
| author | Stephen Hemminger <shemminger@osdl.org> | 2007-04-08 23:45:04 +0200 |
|---|---|---|
| committer | Adrian Bunk <bunk@stusta.de> | 2007-04-08 23:45:04 +0200 |
| commit | 928fb605c9107cc5c4e4e77d99ea455651a4635f (patch) | |
| tree | 6cecc698ca017c7a8720ab894fa04f206bbdc935 /kernel | |
| parent | 289a332c20458518f27f4a32fe2a69364489c782 (diff) | |
tcp: fix cubic scaling error
Doug Leith observed a discrepancy between the version of CUBIC described
in the papers and the version in 2.6.18. A math error related to scaling
causes Cubic to grow too slowly.
Patch is from "Sangtae Ha" <sha2@ncsu.edu>. I validated that
it does fix the problems.
See the following to show behavior over 500ms 100 Mbit link.
Sender (2.6.19-rc3) --- Bridge (2.6.18-rt7) ------- Receiver (2.6.19-rc3)
1G [netem] 100M
http://developer.osdl.org/shemminger/tcp/2.6.19-rc3/cubic-orig.png
http://developer.osdl.org/shemminger/tcp/2.6.19-rc3/cubic-fix.png
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions