From: Eric Dumazet <eric.duma...@gmail.com> Date: Fri, 31 Aug 2012 06:25:50 -0700
> 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> Applied with some minor comment formatting and wording adjustments. Thanks everyone. -- 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/
