ctp: Collection Tree Protocol (TEP 123), a collection (TEP 119) protocol
drip: Drip, a dissemination (TEP 118) protocol
le: Link Estimation Exchange Protocol (TEP 124)
-lqi: MultihopLQI, a collection (TEP 119) protocol
+lqi: MultihopLQI, a collection (TEP 119) protocol, only works on CC2420 radio