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ikshwak / iperf

Automatically exported from code.google.com/p/iperf
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Supporting multiple clients #140

Closed GoogleCodeExporter closed 8 years ago

GoogleCodeExporter commented 8 years ago 

Hi, I just tried to send traffic from two clients.
However, iperf3 showed me a message as below.

iperf3: error - the server is busy running a test. try again later

Many-to-one communication is an important feature I think, so if you have time, 
please work on it. 
Thanks for your efforts.

Original issue reported on code.google.com by skycrawl...@gmail.com on 18 Feb 2014 at 10:52

GoogleCodeExporter commented 8 years ago 
This behavior is by design.

We only support a single connection at a time to avoid having multiple tests 
interfering with each other.

Original comment by bmah@es.net on 18 Feb 2014 at 5:31

GoogleCodeExporter commented 8 years ago 
We do not see this feature that was supported in iperf1 as "interfering with 
each other"

We are trying to test a 240 Gbps server with 36 Ethernet ports.
We need to have multiple client requests to achieve that speed.
A single client on a single port cannot do it.

Please add the feature back as a new optional parameter.
We need to simulate network servers like Apache which support multiple clients 
in a controlled manner.

This is the basic network design of the Client/Server Model.
How can you choose to violate the Client/Server Model in your design?

Please give us the option to support the Client/Server Model, if we choose to.

Original comment by ksapegas...@gmail.com on 7 May 2014 at 1:40