Date: Fri, 1 Dec 2006 00:00:30 +0000
From: Alan <alan@lxorguk.ukuu.org.uk>
To: Phillip Susi <psusi@cfl.rr.com>
Cc: Matt Garman <matthew.garman@gmail.com>, linux-kernel@vger.kernel.org
Subject: Re: What happened to CONFIG_TCP_NAGLE_OFF?
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> No, nagle was invented specifically for telnet.  Without nagle, every 

No it was general purpose. It fixes some extremely bad behaviour in TCP
with congestion well beyond the "telnet" behaviour.

> Things like mouse movements should not be sent over TCP at all.  UDP 
> makes a much better protocol for that kind of data since if a packet is 

UDP is rarely appropriate because it has no congestion control. There are
more appropriate protocols but they are rarely implemented so TCP
generally gets used.

> lost, there is no need to retransmit the same data; instead you just get 
> the next position update and don't care about where the mouse was during 
> the dropped packet.

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