On Fri, 2012-08-31 at 14:48 +0200, Alexander Bergmann wrote: > Hi Eric! > > I've also changed the Documentation file. As usual, comments are welcome! > > > Alex > > > From 848f34ce27f65401940ae98e0b2d395888d3986d Mon Sep 17 00:00:00 2001 > From: Alexander Bergmann <a...@linlab.net> > Date: Fri, 31 Aug 2012 14:31:00 +0200 > Subject: [PATCH 1/1] tcp: Increase timeout for SYN segments > > Commit 9ad7c049 changed the initRTO from 3secs to 1sec in accordance to > RFC6298 (former RFC2988bis). This reduced the time till the last SYN > retransmission packet gets sent from 93secs to 31secs. > > RFC1122 is stating that the retransmission should be done for at least 3 > minutes, but this seems to be quite high. > > "However, the values of R1 and R2 may be different for SYN > and data segments. In particular, R2 for a SYN segment MUST > be set large enough to provide retransmission of the segment > for at least 3 minutes. The application can close the > connection (i.e., give up on the open attempt) sooner, of > course." > > This patch increases the value of TCP_SYN_RETRIES to the value of 6, > providing a retransmission window of 63secs. > > The comments for SYN and SYNACK retries have also been updated to > describe the current settings. The same goes for the documentation file > "Documentation/networking/ip-sysctl.txt". > > Signed-off-by: Alexander Bergmann <a...@linlab.net> > ---
Thanks for your patience and followup, this seems good to me ! Acked-by: Eric Dumazet <eduma...@google.com> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
