Re: simulating network data

[Avram D. <do...@es...>]

I am interested, what have you got?

Saturating the network is easy. Saturating it with varying packet  
sizes & patterns is tricky, and it seem like that's what you need to  
create jitter.

-Avram

On Jun 14, 2007, at 9:59 PM, Ian McDonald wrote:

> On 6/15/07, Avram Dorfman <do...@es...> wrote:
>> Hello,
>>
>> I'm trying to figure out if it is possible to get iPerf to simulate
>> certain transmission patterns. In particular, I'd like to send a mix
>> of packet sizes in one session so I can measure it's affect on jitter
>> in another session.
>>
>> I'd also like to be able to send a stream that is designed to emulate
>> VOIP, so I can assess how well the network (with the congestion
>> stream mentioned above in play) will support the VOIP stream.
>>
>> Can iPerf do either of these things? If not, can anyone recommend any
>> freely available Unix tools that can?
>>
>> Thanks,
>> Avram
>>
>>
> Are you wanting to saturate the network or just provide a pattern  
> of traffic?
>
> I've written similar sort of code for video conferencing which
> consists of creating audio and video layers. If you're interested send
> me an email off-list.
>
> Ian
> -- 
> Web: http://wand.net.nz/~iam4/
> Blog: http://iansblog.jandi.co.nz
> WAND Network Research Group
>