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Mote Connectivity

Mote Connectivity. Daniel Dai Igor Ganichev Valerie Ishida Ashik Manandhar Peter Martinazzi. Testing. 3 motes Soda Windows lab Pinged motes from linux/each other ping FF02::1 from 1 mote returned 19/20 pings. Link local

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Mote Connectivity

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  1. Mote Connectivity Daniel Dai Igor Ganichev Valerie Ishida Ashik Manandhar Peter Martinazzi

  2. Testing • 3 motes • Soda Windows lab • Pinged motes from linux/each other • ping FF02::1 from 1 mote returned 19/20 pings

  3. Link local • “fe80::/10 — The link-local prefix specifies that the address only is valid in the local physical link. This is analogous to the Autoconfiguration IP address 169.254.0.0/16 in IPv4.“ – IPv6, Wikipedia 1/31

  4. Measurements

  5. * When we tested far away we sometimes got really bad outliers (~1000ms ping), which we omitted in the average

  6. Extending Connectivity • Test Hypothesis: Use a third mote to propagate the ping between far away motes • Test Result: Failure. Only 1 ping got through in ~8 s

  7. OS Networking API • Reprogrammed motes with echo client • Worked great • Web service from existing programs • Compiled Linux TCP client to utilize echo service • Added loop for repeated/multiple requests

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