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http://hdl.handle.net/10609/148972
Título : | 6TiSCH Minimal Scheduling Function: Performance Evaluation |
Autoría: | Chang, Tengfei Vučinić, Mališa Vilajosana, Xavier Dujovne, Diego Watteyne, Thomas |
Citación : | Chang, T. [Tengfei]. Vučinić, M. [Mališa]. Vilajosana Guillén, X. [Xavi]. Dujovne, D. [Diego]. Watteyne, T. [Thomas]. 6TiSCH Minimal Scheduling Function: Performance Evaluation. Internet Technology Letters, 2020, 10.1002/itl2.170 . hal-02616274 |
Resumen : | 6TiSCH is a standardization group within the Internet Engineering Task Force (IETF) that works on IPv6-enabled Time-slotted Channel Hopping (TSCH) net- works. The 6TiSCH protocol stack, designed by the standardization work at the IETF, has direct applicability to low-power Internet of Things (IoT) use cases, including smart factory, building, infrastructure and home applications. A key component of the 6TiSCH stack is the Minimal Scheduling Function (MSF). MSF implements a traffic adaptation algorithm which allocates link-layer resources, i.e. cells in the TSCH schedule, according to the traffic load. MAX_NUMCELL is an important param- eter defined in the MSF draft standard which determines the length of the running window used to measure cell usage. MSF draft standard does not recommend a value of MAX_NUMCELL to use. This paper provides recommendations on how to choose the value of MAX_NUMCELL, validated through simulation. For periodic traf- fic, setting MAX_NUMCELL to at least 4 times the traffic load is recommended to increase efficiency. For bursty traffic, we show that setting MAX_NUMCELL to a small value achieves a low end-to-end latency but at high communication overhead. In addition, an improved version of MSF is implemented and tested, which shows a 44% reduction in the communication overhead, considering MAX_NUMCELL = 4, while maintaining the same end-to-end latency. |
Palabras clave : | 6TiSCH scheduling latency Overhead SF |
DOI: | https://doi.org/10.1002/itl2.170 . hal-02616274 |
Tipo de documento: | info:eu-repo/semantics/article |
Versión del documento: | info:eu-repo/semantics/acceptedVersion |
Fecha de publicación : | 24-may-2020 |
Aparece en las colecciones: | Articles cientÍfics Articles |
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Fichero | Descripción | Tamaño | Formato | |
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6TiSCH_Tengfei__merged.pdf | 744,18 kB | Adobe PDF | Visualizar/Abrir |
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