[j-nsp] TCP

[Andrew Jones]

It could be to do with the TCP stack not being tuned for the latency of 
the PIPE.
It also could be due to a small amount of packet loss, which will kill 
TCP performance.

On your UDP iperf, were there any dropped or out of order packets?

On 20.11.2014 08:18, Johan Borch wrote:
> Hi!
>
>
> I'm doing some performance troubleshooting between two linux systems, 
> the
> servers are located in each end of an L3VPN, with a bunch of routers
> between them.
>
> Using Iperf and UDP I get ~1Gbps in both directions
> Using iperf and TCP i get ~400Mbps in one direction and ~60Mbps in 
> the
> other direction
>
> Could this still be a network problem or should I dig on the linux 
> side?
>
> Johan
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