Reference : Performance Analysis of CoAP under Satellite Link Disruption

	Document type :	Scientific congresses, symposiums and conference proceedings : Paper published in a book
	Discipline(s) :	Engineering, computing & technology : Computer science
	Focus Areas :	Security, Reliability and Trust
	To cite this reference:	http://hdl.handle.net/10993/35976

Title :	Performance Analysis of CoAP under Satellite Link Disruption
Language :	English
Author, co-author :	Giotti, Domenico [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
	Lamorte, Luca [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
	Soua, Ridha [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
	Palattella, Maria Rita [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
	Engel, Thomas [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Computer Science and Communications Research Unit (CSC) >]
Publication date :	Jun-2018
Main document title :	Performance Analysis of CoAP under Satellite Link Disruption
Peer reviewed :	Yes
Audience :	International
Event name :	25th International Conference on Telecommunications (ICT)
Event date :	From 26-06-2018 to 28-06-2018
Event place (city) :	Saint malo
Event country :	France
Keywords :	[en] IoT, Satellite, CoAP
Abstract :	[en] Internet of Things (IoT) devices connectivity is steadily increasing in both heterogeneity and sophistication. However, classical and emerging technology (Wi-Fi, Zigbee, LoRa, etc.) are not able to support well IoT applications, when terrestrial networks are no longer available (e.g., in remote not habitable areas, in the occurrence of calamities). Subsequently, the only way forward is to transmit IoT data over satellite. The integrated satellite-terrestrial networks are emerging as a promising solution to ensure ubiquitous IoT connectivity, higher throughput and reliability. Being different by design, IoT protocols’ tuning is needed to integrate terrestrial and satellite segments. In the current paper, we evaluate the performances of CoAP, the well-known lightweight application protocol for IoT in an integrated scenario, taking into account the satellite link disruption. The key findings of our study, conducted using the OpenSAND simulator, show that decreasing the value of congestion control parameters proposed by the standard [1], mainly ACK_TIMEOUT and ACK_RANDOM_FACTOR, is crucial to achieve lower end-to-end delays and higher packet delivery ratio.
Research centres :	Interdisciplinary Centre for Security, Reliability and Trust (SnT) > Networking Research Group (NetLab)
Funders :	European Space Agency - ESA
Name of the research project :	M2MSAT
Target :	Researchers
Permalink :	http://hdl.handle.net/10993/35976

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