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authorDavid S. Miller <davem@sunset.davemloft.net>2006-11-28 14:37:38 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-02 21:31:03 -0800
commitd2e4bdc8704b0e711c5046a430bfd1681b0bd5a9 (patch)
tree722d66b2a5500e2d1e4cdac5647edf536ea097ba /net/ipv4
parent6b57c93dc3aa0115b589cb89ef862d46ab9bd95e (diff)
[TCP] Vegas: Increase default alpha to 2 and beta to 4.
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>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/tcp_vegas.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/tcp_vegas.c b/net/ipv4/tcp_vegas.c
index a3b7aa015a2..ddc4bcc5785 100644
--- a/net/ipv4/tcp_vegas.c
+++ b/net/ipv4/tcp_vegas.c
@@ -42,8 +42,8 @@
* with V_PARAM_SHIFT bits to the right of the binary point.
*/
#define V_PARAM_SHIFT 1
-static int alpha = 1<<V_PARAM_SHIFT;
-static int beta = 3<<V_PARAM_SHIFT;
+static int alpha = 2<<V_PARAM_SHIFT;
+static int beta = 4<<V_PARAM_SHIFT;
static int gamma = 1<<V_PARAM_SHIFT;
module_param(alpha, int, 0644);