diff options
| author | Stephen Hemminger <shemminger@osdl.org> | 2006-10-30 14:47:35 -0800 |
|---|---|---|
| committer | Chris Wright <chrisw@sous-sol.org> | 2006-11-03 17:33:50 -0800 |
| commit | f3fcd7f6351e8a95e6f1c2b9fda79b6dbecfc6ca (patch) | |
| tree | 6f47670075ce8c21a7fc5fa424682e751d38de32 /scripts/patch-kernel | |
| parent | a5f1d1d1849ca848c0ab49dd987070415ad2ede5 (diff) | |
[PATCH] tcp: 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: Chris Wright <chrisw@sous-sol.org>
Diffstat (limited to 'scripts/patch-kernel')
0 files changed, 0 insertions, 0 deletions