perfSONAR User Q&A and Other Discussion

[Aaron Brown <>]

Hey Roderick,

On Nov 10, 2014, at 2:26 AM, Roderick Mooi 
<>
 wrote:

> Hi Aaron
> 
> 1. Does this mean that bwping support isn't included in 3.4 yet?

bwping is in there, but the GUI doesn’t configure bwping tests.

> 2. Is it possible to utilise bwping via the mesh config?

You should be able to add: "force_bwctl_owamp     1” to the 
agent_configuration.conf in the mesh configuration, and have it do bwping 
tests instead of powstream. However, it’s only been lightly tested :)

Cheers,
Aaron

> 
> Thanks,
> 
> Roderick
> 
>>>> On 2014-11-06 at 16:04, Aaron Brown 
>>>> <>
>>>>  wrote:
>> Hey Pete,
>> 
>> On Nov 5, 2014, at 11:45 AM, Pete Siemsen 
>> <<mailto:>>
>>  wrote:
>> 
>> perfSONAR 3.4 supports hosts with 2 network interfaces in such a way
> that 
>> you can run bandwidth tests on one interface and latency tests on the
> other, 
>> without conflict. Cool.
>> 
>> A buddy attended the recent Technology Exchange conference, where he
> heard 
>> that 3.4 will schedule tests in sequence, so that you don't have to
> worry 
>> about conflicts even if your host has just one interface.
>> 
>> The online docs for 3.4.1 still recommend using separate interfaces
> or 
>> hosts. So I think 3.4 doesn't solve the conflicting bandwidth/latency
> issue.
>> 
>> Correct?
>> 
>> Right now, the web GUI configuration only supports doing the separate
> 
>> interfaces, not co-scheduling. However, you can manually configure
> the tests 
>> to support co-scheduling the two, though, that’s been less well
> tested, and 
>> would be a bit less accurate. If you’d like to try that out, I can
> put 
>> together some documentation.
>> 
>> Cheers,
>> Aaron
>> 
>> 
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> -- 
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> The full disclaimer details can be found at 
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> Please consider the environment before printing this email.
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