new style Test Traffic Measurements plots

Dear Test-Box Hosts,

As you may have noticed on our website or heard at the last RIPE meeting,
we have switched to a new format for the daily generated TTM plots. 
Compared to the old format, these new plots have a better layout and
provide more (summary) statistics.

After careful tuning of the analysis jobs, we are pleased to let you
know the most recent results (last 24 hour plots) are now available early
in the morning, around 4:30 UTC, from the Test Traffic Measurements plots
page (http://www.ripe.net/ripencc/mem-services/ttm/Plots/index.html);
this page also contains a detailed description of what is shown
in the plots. Last week (7 day) and last month (30 day) plots take more
time to generate, they usually appear on the website around 7:30 UTC and
12:00 UTC respectively.

For those of you interested in analyzing TTM data themselves,
we offer the source code of our 'delayplots' program via ftp
(ftp://ftp.ripe.net/test-traffic/ROOT/delayplots) as an example
of a moderately complex ROOT application. More information and
hints on analyzing test-box data will appear in the next few days on
http://www.ripe.net/ripencc/mem-services/ttm/Host_testbox/root.html

Finally, we'd like to inform you of our plans for a plot-on-demand service:
As the network of deployed test-boxes grows, it will take more and
more time to generate all plots for all boxes every day; especially
generating the 'last 30 day' plots in time will become difficult.
Instead, our thoughts are to move those to a plot-on-demand service,
where individual delay plots are generated upon request via a web
interface. The service could also be used to obtain TTM delay plots
for a different time period than the auto-generated last 24 hours and
last 7 days.

Currently, we have implemented a prototype for plots-on-demand, but
this is not ready yet for full scale use by all test-box hosts.
However, we are looking for a few volunteers to test the new 
application and provide us with feedback; if you're interested,
feel free to contact us at ttm at ripe.net.


On behalf of the RIPE NCC test-traffic team,

With best regards,

-- Rene Wilhelm


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Rene Wilhelm                    RIPE Network Coordination Centre
Email: wilhelm at ripe.net         Test Traffic Measurements
Phone: +31 20 535 4417          Amsterdam, the Netherlands
Fax:   +31 20 535 4445          http://www.ripe.net/ripencc/mem-services/ttm/
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