Poor UDP transparent proxy performance

Richard Stanway r1ch+nginx at teamliquid.net
Mon Aug 28 18:07:39 UTC 2017

UDP packets are proxied individually - one socket per packet. This
implementation is not suitable for bulk traffic.

On Mon, Aug 28, 2017 at 6:40 PM, 231done <nginx-forum at forum.nginx.org>

> Hi,
>     I'm running nginx-1.13.4 and I observe that UDP transparent proxying
> for
> bulk traffic is very slow when compared to TCP transparent proxying.
> I get about 4.00 Gbits/sec when using TCP and about 1.05 Mbits/sec when
> using UDP. I used iperf to run traffic tests. Is this a known issue? If it
> is, are there any plans to fix UDP performance issues?
> Thanks,
> Joe
> Posted at Nginx Forum: https://forum.nginx.org/read.
> php?2,276167,276167#msg-276167
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