Abstract
Scheduling in an IEEE802.15.4e TSCH (6TiSCH) low-power wireless mesh network can be done in a centralized or distributed way. When using centralized scheduling, a scheduler computes a communication schedule, which then needs to be installed into the network. This can be done using standards such CoAP and CoMI, or using a custom protocol such as OCARI. In this paper, we compute the number of messages installing and updating the schedule takes, using both approaches, on a realistic example scenario. The cost of using today’s standards is high. In some cases, a standards-based solution requires approximately 4 times more messages to be transmitted in the network, than when using a custom protocol. This paper makes three simple recommended changes to the standards which, when integrated, reduce the cost of a standards-based solution by 18 % to 74 %. Since they are still being developed, these recommendations can easily be integrated into the standards.
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Notes
- 1.
[13] indicates that data messages must provide in their MAC header 64-bit addresses for the destination and the source.
References
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Livolant, E., Minet, P., Watteyne, T. (2016). The Cost of Installing a 6TiSCH Schedule. In: Mitton, N., Loscri, V., Mouradian, A. (eds) Ad-hoc, Mobile, and Wireless Networks. ADHOC-NOW 2016. Lecture Notes in Computer Science(), vol 9724. Springer, Cham. https://doi.org/10.1007/978-3-319-40509-4_2
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DOI: https://doi.org/10.1007/978-3-319-40509-4_2
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