netdev - Re: [RFC] [PATCH] udp: Don't save dst in udpv6

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Date:	Mon, 26 Oct 2009 09:45:26 -0700
From:	Rick Jones <rick.jones2@...com>
To:	David Miller <davem@...emloft.net>
CC:	krkumar2@...ibm.com, netdev@...r.kernel.org
Subject: Re: [RFC] [PATCH] udp: Don't save dst in udpv6_sendmsg()

David Miller wrote:
> From: Krishna Kumar <krkumar2@...ibm.com>
> Date: Fri, 23 Oct 2009 16:43:36 +0530
> 
> 
>>Performance: I ran netperf UDPv6 RR to use connected sockets.
>>Tested with a 70 min run, aggregate of 5 netperf runs for
>>each result.
> 
> 
> Who actually uses connected UDP sockets? :-)

Somebody must, they sent me patches to optionally connect() the endpoints in a 
UDP_RR test :)

rick jones

trying to decide if he should by default set SO_DONTROUTE on UDP sockets to 
cover the backsides of testers who cause link-down events on devices under test 
with systems connected to their employer's site lans with the default route 
pointing at same...
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