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According to IEEE 802.15.4e (§6.4.3.9), in order to detect duplicate received MAC-layer frames, only the most recently received frame's sequence number needs to be stored for each unique device address. Doing so limits the possible false duplicate packet detections to a single sequence number. This also allows to keep the last sequence number of more device addresses for the same value of MAX_SEQNOS. Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
The Contiki Operating System
Contiki is an open source operating system that runs on tiny low-power microcontrollers and makes it possible to develop applications that make efficient use of the hardware while providing standardized low-power wireless communication for a range of hardware platforms.
Contiki is used in numerous commercial and non-commercial systems, such as city sound monitoring, street lights, networked electrical power meters, industrial monitoring, radiation monitoring, construction site monitoring, alarm systems, remote house monitoring, and so on.
For more information, see the Contiki website: