netdev - Re: [PATCH 2/2][TCP] YeAH-TCP: limited slow start exported function

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Date:	Mon, 19 Feb 2007 11:36:57 +0100
From:	"Angelo P. Castellani" <angelo.castellani@...il.com>
To:	netdev@...r.kernel.org
CC:	Andrea Baiocchi <andrea.baiocchi@...roma1.it>,
	Francesco Vacirca <francesco@....infocom.uniroma1.it>
Subject: Re: [PATCH 2/2][TCP] YeAH-TCP: limited slow start exported function

Forgot the patch..

Angelo P. Castellani ha scritto:
> From: Angelo P. Castellani <angelo.castellani@...il.con>
>
> RFC3742: limited slow start
>
> See http://www.ietf.org/rfc/rfc3742.txt
>
> Signed-off-by: Angelo P. Castellani <angelo.castellani@...il.con>
> ---
>
> To allow code reutilization I've added the limited slow start 
> procedure as an exported symbol of linux tcp congestion control.
>
> On large BDP networks canonical slow start should be avoided because 
> it requires large packet losses to converge, whereas at lower BDPs 
> slow start and limited slow start are identical. Large BDP is defined 
> through the max_ssthresh variable.
>
> I think limited slow start could safely replace the canonical slow 
> start procedure in Linux.
>
> Regards,
> Angelo P. Castellani
>
> p.s.: in the attached patch is added an exported function currently 
> used only by YeAH TCP
>
> include/net/tcp.h   |    1 +
> net/ipv4/tcp_cong.c |   23 +++++++++++++++++++++++
> 2 files changed, 24 insertions(+)
>
>


View attachment "tcp_yeah-2of2.diff" of type "text/x-patch" (1663 bytes)