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From: Andi Kleen <andi@firstfloor.org>
To: Tom Herbert <therbert@google.com>
Cc: Hagen Paul Pfeifer <hagen@jauu.net>,
	David Miller <davem@davemloft.net>,
	andi@firstfloor.org, shemminger@vyatta.com,
	netdev@vger.kernel.org, ycheng@google.com
Subject: Re: [PATCH] tcp: Socket option to set congestion window
Date: Thu, 27 May 2010 20:56:56 +0200	[thread overview]
Message-ID: <20100527185656.GD6800@basil.fritz.box> (raw)
In-Reply-To: <AANLkTime8wfTLfdNMAx_HYr6XO0DiO12r5FVdGBjVNwT@mail.gmail.com>

> It would be better, by almost any perspective, to rein in the number
> of connections servers are allowing clients to open.  However this
> isn't going to happen if this means increase latency for end users,
> there's is no competitive rationale for servers to do that.  That's
> where a primary motivation of this patch becomes evident.  Instead of
> a server allowing 6 connections from a client, for instance, it could
> allow just one connection but with a initial congestion window equal
> to the aggregate of the 6 connections.  This reduces connections and

I thought the point was to avoid cwnd inflation by multiple connections?
Now you're saying you actually want larger cwnds? 

If you simply want larger CWNDs the easiest is to bump up the
define in your local build.

But that cannot be done by default obviously.

-Andi
-- 
ak@linux.intel.com -- Speaking for myself only.

  reply	other threads:[~2010-05-27 18:56 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-26  5:01 [PATCH] tcp: Socket option to set congestion window Tom Herbert
2010-05-26  5:08 ` Stephen Hemminger
2010-05-26  5:52   ` David Miller
2010-05-26  7:06     ` Tom Herbert
2010-05-26  7:33       ` David Miller
2010-05-26 17:33       ` Andi Kleen
2010-05-26 17:41         ` Denys Fedorysychenko
2010-05-26 21:08         ` David Miller
2010-05-26 21:27           ` Andi Kleen
2010-05-26 22:10             ` David Miller
2010-05-26 22:29               ` Rick Jones
2010-05-27  7:57                 ` Andi Kleen
2010-05-26 23:15               ` Hagen Paul Pfeifer
2010-05-27  3:04                 ` David Miller
2010-05-27  7:08                   ` Hagen Paul Pfeifer
2010-05-27  7:28                     ` David Miller
2010-05-27  7:46                       ` Hagen Paul Pfeifer
2010-05-27 16:14                     ` Tom Herbert
2010-05-27 18:56                       ` Andi Kleen [this message]
2010-05-27 19:19                       ` Hagen Paul Pfeifer
2010-05-27  8:00               ` Andi Kleen

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