<div dir="ltr">Thanks for sharing! <div><br></div><div>We have analysed similar pattern in many IoT devices and presented periodicity in IoT traffic as FFT  (fig 4 - of IoTDI paper attached for reference)  and some initial results here in this report:</div><div><a href="https://www.repository.cam.ac.uk/handle/1810/284092">https://www.repository.cam.ac.uk/handle/1810/284092</a><br></div><div>and full paper is here:</div><div><a href="https://dl.acm.org/doi/10.1145/3302505.3310082">https://dl.acm.org/doi/10.1145/3302505.3310082</a><br></div><div><br></div><div>Best regards,</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Mar 19, 2020 at 10:31 AM Mirjam Kuehne <<a href="mailto:mir@ripe.net">mir@ripe.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Dear colleagues,<br>
<br>
IoT devices often perform activities on a periodic basis. Thymen Wabeke<br>
of SIDN Labs shares his analysis of periodic network traffic from IoT<br>
lightbulbs. Read it on RIPE Labs at:<br>
<br>
<a href="https://labs.ripe.net/Members/thymen_wabeke/visualisations-of-periodic-iot-traffic" rel="noreferrer" target="_blank">https://labs.ripe.net/Members/thymen_wabeke/visualisations-of-periodic-iot-traffic</a><br>
<br>
Kind regards,<br>
Mirjam Kühne<br>
RIPE NCC<br>
<br>
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</blockquote></div>