Hi,
I am hoping someone
can offer some advice with QoS analysis I hope to be able to achieve.
I am sure there are
many who might need this capability.
What I would like to
do is the following:
1) Setup Ethereal /
TCPDUMP to capture VoIP packets for a period of time.
2) Run the trace
file through a tool (ideally Ethereal) which will analyse the RTP packets for
Jitter, lost packets etc, and give an summary of results.
Currently Ethereal
is able to give Jitter, Lost Packets for each individual RTP stream,
which is
excellent
when you only need
to analyse a few RTP steams, but it is not capable of giving average results for
a large number of RTP streams.
The results I would
think would be useful would be :
Average Jitter
Levels for all calls.
RTP Stream with
Highest Packet loss.
Steam with Highest
Jitter Levels.
Standard Deviation
of Jitter Levels for all RTP steams.
This information
could be found using Ethereal IF it was possible to export the information in
Ethereal's RTP Streams Page to a CVS file.
I.e. And then use
Excel (or some other application) to gather the average results , STD
etc.
However currently
this is not possible.
Does anyone have any
other ideas how this might be possible?
Rgs,
Gerard.