netdev - Re: Fwd: UDP/IPv6 performance issue

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Message-ID: <CAGA2gK7tjQZ6sq1qqTua_J0uY47Dq7h-vWR=c_LQReq3Rwc=_Q@mail.gmail.com>
Date:	Tue, 10 Dec 2013 14:32:23 -0500
From:	ajay seshadri <seshajay@...il.com>
To:	Rick Jones <rick.jones2@...com>
Cc:	netdev <netdev@...r.kernel.org>
Subject: Re: Fwd: UDP/IPv6 performance issue

On Tue, Dec 10, 2013 at 12:24 PM, Rick Jones <rick.jones2@...com> wrote:
>> If you want to compare the "fundamental" path length difference between
>> IPv4 and IPv6, without any concerns about stateless offloads like CKO or
>> GRO et al, you could use something like a single-byte netperf TCP_RR test.
>>
>> netperf -c -C -H <remote> -t TCP_RR
>
> Or UDP_RR, since that is your usage case...

I am not sure what you mean by '"fundamental" path length difference',
can you please elaborate. For now i use:
./netperf -t UDP_STREAM -H <remote> -l 60 -- -m 1450
I am trying to find the maximum throughput I can get at 1500 MTU for
UDP packets (IPv4 / IPv6) without using offloading.
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