[ARGUS] QoS Analysis with Argus

[Bob McCormick]

May I ask what you're using to produce those graphs?  They look awesome.


On Jul 7, 2004, at 6:34 AM, James Lever wrote:

> Hi All,
>
> I'm trying to perform some quality of service analysis with Argus to
> determine true cause of network slow-downs.
>
> I've so far determined times/dates of high traffic
> (bytes+daddr/saddr/dport) and have also used the packets metric to
> cross-check.
>
> The link I am concerned with is a single/dual channel ISDN (2x 64kBps B
> channels) running single channel most of the time and bursting up to
> dual channels in times of high demand.
>
> Can somebody give me an idea of what loss could be expected on such a
> link before a noticeable degredation of service was noticed?
>
> Also, what is jitter?  My best guess is time between an outgoing packet
> and an incoming packet.  What should be expected?  How many orders of
> magnitude difference would be required to have a perceived massive
> degredation of service?
>
> Some graphs of interest are currently available at
> http://jamver.id.au/argus/ if anybody is willing to have a look and
> give me some ideas on directions to look.
>
> How would you try to analyse QoS using Argus?  Would you use other
> tools too?
>
> cheers,
>  James