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[TCP] Vegas: Increase default alpha to 2 and beta to 4.

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This helps Vegas cope better with delayed ACKs, see
analysis at:

http://www.cs.caltech.edu/%7Eweixl/technical/ns2linux/known_linux/index.html#vegas

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2006-11-28 14:37:38 -08:00
parent 6b57c93dc3
commit d2e4bdc870
1 changed files with 2 additions and 2 deletions
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4
net/ipv4/tcp_vegas.c
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@ -42,8 +42,8 @@
* with V_PARAM_SHIFT bits to the right of the binary point. * with V_PARAM_SHIFT bits to the right of the binary point.
*/ */
#define V_PARAM_SHIFT 1 #define V_PARAM_SHIFT 1
static int alpha = 1<<V_PARAM_SHIFT; static int alpha = 2<<V_PARAM_SHIFT;
static int beta = 3<<V_PARAM_SHIFT; static int beta = 4<<V_PARAM_SHIFT;
static int gamma = 1<<V_PARAM_SHIFT; static int gamma = 1<<V_PARAM_SHIFT;
module_param(alpha, int, 0644); module_param(alpha, int, 0644);