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| author |   Gerrit Renker <gerrit@erg.abdn.ac.uk> | 2010-06-22 01:14:35 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2010-06-25 21:33:15 -0700 |
| commit | 59b80802a8a18b64d38b51aa168253684b2649d5 (patch) | |
| tree | b6be92f705d00796733e03e43041605b74d0ce5f /security | |
| parent | dccp: remove unused function argument (diff) | |
| download | linux-dev-59b80802a8a18b64d38b51aa168253684b2649d5.tar.xz linux-dev-59b80802a8a18b64d38b51aa168253684b2649d5.zip | |
dccp: make implementation of Syn-RTT symmetric
This patch is thanks to Andre Noll who reported the issue and helped testing.
The Syn-RTT sampled during the initial handshake currently only works for
the client sending the DCCP-Request. TFRC penalizes the absence of an RTT
sample with a very slow initial speed (1 packet per second), which delays
slow-start significantly, resulting in sluggish performance.
This patch mirrors the "Syn RTT" principle by adding a timestamp also onto
the DCCP-Response, producing an RTT sample when the (Data)Ack completing
the handshake arrives.
Also changed the documentation to 'TFRC' since Syn RTTs are also used by CCID-4.
Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'security')
0 files changed, 0 insertions, 0 deletions