Few Words

The addition of limited, but nevertheless real, communication capabilities of smart devices, and the increasing deployment of sensors have led to the emergence of the Internet of Things. This field is still an interesting research subject today, because many problems remain to be solved, in particular concerning the interoperability of proposed solutions. The LRT team has assets to propose approaches because the very foundations of IoT mobilize both network and software skills. The work of the LRT team, and more specifically those of Sylvain Cherrier, Etienne Duris and Rémi Forax are moving towards a convergence between service approaches (choreography or orchestration) and knowledge in terms of virtual machines.

An IoT platform has been set up, allowing experiments using collaborations within a collection of virtual machines, voluntarily limited in expressivity, but adapted to the needs of applications related to IoT as well as to strong ones. Constraints of objects involved, in terms of energy and processing power are taken into account in this approach. The platform also offers opportunities for interactions with other themes of the LRT team (mobile networks in particular), but also collaborations within the LIGM laboratory (the different objects are programmed using finite state machines).

This platform promoted the team's participation in two ITEA2 projects (WoO: Web of Objects and SITAC: Social Internet of Things for Apps by the Crowd), as well as in the FUI SCORPION project (in progress). It has also been the subject of a maturing contract with SATT Idf-Innov, concerning the financing of 2 research engineering positions over a period of 9 months.

Among the results obtained, we can mention:

  • The description of the model used by the demonstration platform, its effects with regard to the constraints of the networks and IoT devices
  • The contributions of transducers'usage and the proposed evolutions to answer the limits of the choreographies of services compared to the orchestration approach
  • Analysis of possible inconsistencies in services choreography, especially if they are used on unreliable network infrastructures (such as those encountered in IoT) and the proposal for an overlay of verification and to stabilize the logical state of the participating elements.

As part of his activity concerning the Java platform, the work of Rémi Forax (an expert in this language) focused on the solutions put in place to solve the problems raised in the Java Specification Request (JSR). He works in particular on the JSR 292 dealing with the management of dynamic types. The results presented concerning the implementation of this JSR, then those about optimizations of allocations, have been integrated into the official platform of Java. Rémi Forax's activity and his involvement in the source code of the virtual Java market are important and the visibility of this activity is significant.

Lastly, Etienne Duris' work on redundancies in computer codes makes it possible to obtain metrics on repetitions and a qualification of the similarities between the different functions. This work will be useful in the search for optimization of software quality, especially in constrained environments, which is an item that the team will focus on in the future.

Last 10 publications

See our full publications list Publications HAL de cherrier;duris;forax;masson;roussel; de la collection CV_LIGM
titre
A Practical Sub-Optimal Solution for the Dual Priority Scheduling Problem
auteur
Tristan Fautrel, Laurent George, Joël Goossens, Damien Masson, Paul Rodriguez
article
13th International Symposium on Industrial Embedded Systems (SIES'2018), Jun 2018, Gratz, Austria
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titre
Selective Real-Time Data Emission in Mobile Intelligent Transport Systems
auteur
Laurent George, Damien Masson, Vincent Nélis
article
5th International Workshop on Mixed Criticality Systems, Dec 2017, Paris, France
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https://hal.archives-ouvertes.fr/hal-01742078/file/main.pdf BibTex
titre
MUST : Mutable State Transfer
auteur
Kévin Rauscher, Sylvain Cherrier, Thomas Pape, Yacine Ghamri-Doudane
article
IEEE Global Information Infrastructure and Networking Symposium (GIIS), Oct 2017, Saint Pierre, Réunion
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https://hal-upec-upem.archives-ouvertes.fr/hal-01625856/file/MUST.pdf BibTex
titre
From BPM to IoT
auteur
Sylvain Cherrier, Varun Deshpande
article
Ernest Teniente, Matthias Weidlich. International Conference on Business Process Management, Sep 2017, Barcelona, Spain. Springer, BPM 2017 International Workshops, 308, pp.310-318, 2017, Lecture Notes in Business Information Processing. 〈10.1007/978-3-319-74030-0_23〉
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https://hal.archives-ouvertes.fr/hal-01613738/file/bpmtoIot-Long.pdf BibTex
titre
Fault-recovery and Coherence in Internet of Things Choreographies
auteur
Sylvain Cherrier, Yacine Ghamri-Doudane
article
International Journal of Information Technologies and Systems Approach, igi, 2017, 10 (2), 〈www.igi-global.com〉. 〈10.4018/IJITSA.2017070103〉
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https://hal-upec-upem.archives-ouvertes.fr/hal-01509183/file/Fault.pdf BibTex
titre
D-LITe: Building Internet of Things Choreographies
auteur
Sylvain Cherrier, Yacine Ghamri-Doudane, Stéphane Lohier, Gilles Roussel
article
Summary of my previous works. 2016
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https://hal.archives-ouvertes.fr/hal-01422433/file/1612.05975v1%282%29.pdf BibTex
titre
Energy Efficient Mapping of Mixed Criticality Applications on Unrelated Heterogeneous Multicore Platforms
auteur
Muhammad Ali Awan, Damien Masson, Eduardo Tovar
article
11th IEEE International Symposium on Industrial Embedded Systems (SIES 2016), May 2016, Krakow, Poland. 2016
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https://hal.archives-ouvertes.fr/hal-01742074/file/Camera_Ready_Version_PID4230307.pdf BibTex
titre
Response time analysis for fixed priority real-time systems with energy-harvesting
auteur
Yasmina Abdeddaïm, Younès Chandarli, Robert I. Davis, Damien Masson
article
Real-Time Systems, Springer Verlag, 2016, 52 (2), pp.125--160. 〈http://dx.doi.org/10.1007/s11241-015-9239-7〉. 〈10.1007/s11241-015-9239-7〉
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titre
BeC3: a Crowd-Centric Composition Testbed for the Internet of Things
auteur
Zahra Movahedi, Sylvain Cherrier, Yacine Ghamri-Doudane
article
IEEE Consumer Communications and Networking Conference, Jan 2016, Las Vegas, United States. 〈http://ccnc2016.ieee-ccnc.org/〉
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https://hal.archives-ouvertes.fr/hal-01242960/file/1570204951.pdf BibTex
titre
Multi-Tenancy in Decentralised IoT
auteur
Sylvain Cherrier, Zahra Movahedi, Yacine Ghamri-Doudane
article
WFIoT, Dec 2015, Milan, Italy. World Forum Internet of Things (WFIoT 2015)
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https://hal-upec-upem.archives-ouvertes.fr/hal-01214248/file/MultiTenant.pdf BibTex