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authorJeff Garzik <jeff@garzik.org>2006-09-19 15:13:45 -0400
committerJeff Garzik <jeff@garzik.org>2006-09-19 15:13:45 -0400
commit23b6b0e3e8306ce3d00e0c87196bfaad335b9096 (patch)
tree3e690e564ac42444937b0d66b624c0e292d4a88a /Documentation/networking
parent8624a1c93772d24a38ed10cfcd290e8a18ac5b0a (diff)
parent47a5c6fa0e204a2b63309c648bb2fde36836c826 (diff)
downloadblackbird-obmc-linux-23b6b0e3e8306ce3d00e0c87196bfaad335b9096.tar.gz
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Merge branch 'master' into upstream
Diffstat (limited to 'Documentation/networking')
-rw-r--r--Documentation/networking/ip-sysctl.txt12
1 files changed, 9 insertions, 3 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 3e0c017e7877..90ed78110fd4 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -102,9 +102,15 @@ inet_peer_gc_maxtime - INTEGER
TCP variables:
tcp_abc - INTEGER
- Controls Appropriate Byte Count defined in RFC3465. If set to
- 0 then does congestion avoid once per ack. 1 is conservative
- value, and 2 is more agressive.
+ Controls Appropriate Byte Count (ABC) defined in RFC3465.
+ ABC is a way of increasing congestion window (cwnd) more slowly
+ in response to partial acknowledgments.
+ Possible values are:
+ 0 increase cwnd once per acknowledgment (no ABC)
+ 1 increase cwnd once per acknowledgment of full sized segment
+ 2 allow increase cwnd by two if acknowledgment is
+ of two segments to compensate for delayed acknowledgments.
+ Default: 0 (off)
tcp_syn_retries - INTEGER
Number of times initial SYNs for an active TCP connection attempt
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