IRIT - UMR 5505

french
CNRS
Univertsité de Toulouse
  Bandeau IRIT
 
Photo de Scharbarg Jean-Luc

  Scharbarg Jean-Luc


  Position: Full professor INPT/ENSEEIHT
  Team :  Ingénierie Réseaux et Télécommunications
  Contact : Jean-Luc.Scharbarg@enseeiht.fr
  Localization : IRIT-ENSEEIHT / Room: F403
  Phone: 33 534322213
  Publications : Publications

 

 

 

 Research topics

Temporal analysis of heterogeneous real-time networks
  • Computation of worst-case end-to-end delays
  • Evaluation of end-to-end delay distributions

 Supervising

  • Post-doc
    • Frédéric Ridouard (2006-2008): Computation of probabilistic upper bounds on end-to-end delays in the AFDX context
  • PhD
    • Hussein Charara (2003-2007): Evaluation of real-time performances of avionic networks
    • Henri Bauer (2007-2011) : Temporal analysis of heterogeneous flows on an homogeneous avionic network
    • Xiaoting Li (2009-2013): Temporal analysis of heterogeneous flows on an heterogeneous avionic network
    • Tony Florès (since 2009): Integration of wireless communications in an embedded network
    • Muhammad Adnan (2010-2013): Exact worst-case analysis of a real-time embedded network
    • Abdelaziz Ahmed Nacer (since 2011): Interconnection of fieldbuses via switched Ethernet networks
    • Nesrine Badache (since 2011): Mastering of IMA architectures
  • Master
    • Mahmoud Taifour (2001): Comparative study of Bluetooth and IEEE 802.11
    • Hassan Hassan (2003): QoS in IEEE 802.11 networks
    • Ahlem Ouarda Hameurlaine (2003): bridging strategies between CAN and Ethernet
    • Anca Tudoroniu (2004): Analysis and modelling of a QoS aware Ethernet switch
    • Sonia Aouadni (2007): Comparative analysis of servicing disciplines in an avionic network
    • Alexandru Nastas (2009): Quantitative analysis of Flexray
    • Muhammad Adnan (2010): Methods and tools for the temporal analysis of the trafic in an avionic network
    • Ysub Ahn (2010): Modelling and simulation of a CAN -IEEE 802.11 architecture
    • Tasnim Hamza (2013): Priority assignment to avionics flows on a switched Ethernet network
    • Le Van Than (2013): Qualitative evaluation of WirelessHART

 

 Contracts

  • MANET
  • MARTIAC
  • ADCN+
  • IMAP
  • AMIC-TCP

 Publications

International journals
  • Henri Bauer, Jean-Luc Scharbarg, Christian Fraboul. Applying trajectory approach with static priority queueing for improving the use of available AFDX resources Real-Time Systems Journal, vol.48, no. 1, pp. 101-133, january 2012.
  • Henri Bauer, Jean-Luc Scharbarg, Christian Fraboul. Improving the worst-case delay analysis of an AFDX network using an optimized trajectory approach. IEEE transactions on industrial informatics, vol. 6, n° 4, pages 521-533, november 2010.
  • Jean-Luc Scharbarg, Frédéric Ridouard, Christian Fraboul. A probabilistic analysis of end-to-end delays on an AFDX avionic network. IEEE transactions on industrial informatics, vol. 5, n° 1, pages 38-49, february 2009.
  • Philippe Le Parc, Dominique L'Her, Jean-Luc Scharbarg, Lionel Marcé. Grafcet revisited with a synchronous data-flow language IEEE transactions on systems, man and cybernetics - part A : systems and humans, vol. 29, n° 3, pages 284-293, may 1999.
National journals
  • Philippe Le Parc, Dominique L'Her, Jean-Luc Scharbarg, Lionel Marcé. Le Grafcet revisité à l'aide d'un langage synchrone flot de données. Technique et Science Informatiques, vol. 17, n° 1, pages 63-86, january1998.
  • Jean Vareille, Jean-Luc Scharbarg, Lionel Marcé. Approche synchrone du grafcet : une chaîne de développement. Technologies et formations, n° 74, pages 56-60, december 1997.
Book chapters
  • Jean-Luc Scharbarg, Christian Fraboul. Focus sur les réseaux avioniques. Ordonnacement dans les systèmes temps réel. Marilyne Chetto (Eds.), ISTE - WILEY, p. 223-244, june 2014.
  • Christian Fraboul, Fabrice Frances, Jean-Luc Scharbarg. Embedded networks in civilian aircraft avionics systems. The Industrial Communication System Handbook, CRC Press, february 2011.
  • Jean-Luc Scharbarg, Christian Fraboul. Methods and tools for the temporal analysis of avionic networks. New trends in technologies, SCIYO, november 2010.
International conferences
  • Nesrine Badache, Katia Jaffres-Runser, Jean-Luc Scharbarg, Christian Fraboul.Managing temporal allocation in Integrated Modular Avionics . Emerging Technologies and Factory Automation (ETFA 2014), Barcelona, september 2014.
  • Rodrigo Coelho, Gerhard Fohler, Jean-Luc Scharbarg.Worst-case backlpg for AFDX network with n-priorities. International Workshop on Real-Time Networks (RTN 2014), Madrid, july 2014.
  • Tasnim Hamza, Jean-Luc Scharbarg, Christian Fraboul.Priority assignment on an avionics switched Ethernet network (QoS AFDX). IEEE International Workshop on Factory Communication Systems (WFCS 2014), Toulouse, may 2014.
  • Christian Fraboul, Jean-Luc Scharbarg.Trends in avionics switched Ethernet networks. RATE workshop (colocated with RTSS), Vancouver, (invited talk), december 2013.
  • Tasnim Hamza, Jean-Luc Scharbarg, Christian Fraboul.QoS-aware AFDX: Benefits of an efficient priority assignment for avionics flows. IEEE Real-Time Systems Symposium (RTSS 2013), WiP session, Vancouver, december 2013.
  • Qi Wang, Katia Jaffres-Runser, Jean-Luc Scharbarg, Christian Fraboul, Yi Sun, Jun Li, Zongchen Li.Delay Distribution of IEEE802.11 DCF: a Comparative Study under Saturated Conditions. International Symposium on Performance Evaluation of Wireless Ad Hoc, Sensor, and Ubiquitous Networks (PE-WASUN 2013), Barcelona, Spain, 07/11/2013-08/11/2013 (invited talk), november 2013.
  • Nesrine Badache, Katia Jaffres-Runser, Jean-Luc Scharbarg, Christian Fraboul.End-to-end delay analysis in an Integrated Modular Avionics architecture. Emerging Technologies and Factory Automation (ETFA 2013), WiP session, Cagliari, Italy, september 2013.
  • Tony Flores Pulgar, Jean-Luc Scharbarg, Katia Jaffres-Runser, Christian Fraboul.Extending CAN over the air: an interconnection study through IEEE802.11. Emerging Technologies and Factory Automation (ETFA 2013), Cagliari, Italy, september 2013.
  • Tony Flores Pulgar, Jean-Luc Scharbarg, Katia Jaffres-Runser, Christian Fraboul.Extending real-time networks over WiFi: related issues and first developments. Euromicro Conference on Real-Time Systems (ECRTS 2013), WiP session, Paris, France, july 2013.
  • Abdelaziz Ahmed Nacer, Katia Jaffres-Runser, Jean-Luc Scharbarg, Christian Fraboul.Strategies for the Interconnection of CAN buses through an Ethernet switch. IEEE International Symposium on Industrial Embedded Systems (SIES 2013), WiP session, Porto, Portugal, june 2013.
  • Muhammad Adnan, Jean-Luc Scharbarg, Jérôme Ermont, Christian Fraboul.An improved timed automata approach for computing exact worst-case delays of AFDX sporadic flows. Emerging Technologies and Factory Automation (ETFA 2012), Krakow, september 2012.
  • Henri Bauer, Jean-Luc Scharbarg, Christian Fraboul. Worst-case backlog evaluation of Avionics switched Ethernet networks with the Trajectory approach. ECRTS'2012, Pisa, july 2012.
  • Xiaoting Li, Jean-Luc Scharbarg, Christian Fraboul. Worst-case delay analysis on a real-time heterogeneous network. SIES'2012, Karlsruhe, june 2012.
  • Xiaoting Li, Jean-Luc Scharbarg, Christian Fraboul. Applying Trajectory approach for worst-case delay analysis of a heterogeneous real-time network. RTAS'2012 (WiP session), Beijing, april 2012.
  • Xiaoting Li, Jean-Luc Scharbarg, Christian Fraboul. Analysis of the pessimism of the Trajectory approach for upper bounding end-to-end delay of sporadic flows sharing a switched Ethernet network. RTNS'2011, Nantes, september 2011.
  • Muhammad Adnan, Jean-Luc Scharbarg, Christian Fraboul. An improved timed-automata model for computing exact worst-case delays of AFDX periodic flows. ETFA'2011 (WiP session), Toulouse, september 2011.
  • Xiaoting Li, Jean-Luc Scharbarg, Frédéric Ridouard, Christian Fraboul. Existing offset assignments are near optimal for an industrial AFDX network RTN 2011 (in conjonction with ECRTS), ACM SIGBED Review, Vol. 8, no. 4, december 2011
  • Muhammad Adnan, Jean-Luc Scharbarg, Christian Fraboul. Minimizing the search space for computing exact worst-case delays of AFDX periodic flows. IEEE International Symposium on Industrial Embedded Systems (SIES), pp. 294-301, Västeras, june 2011.
  • Henri Bauer, Jean-Luc Scharbarg, Christian Fraboul. Applying trajectory approach with static priority queueing for improving the use of available AFDX resources. RTNS'2010, Toulouse, november 2010. (Best paper award)
  • Xiaoting Li, Jean-Luc Scharbarg, Christian Fraboul. Partially synchronizing periodic flows with offsets improves worst-case end-to-end delay analysis of switched Ethernet. Isola symposium on leveraging applications of formal methods, verification and validation, Heraklion, october 2010.
  • Xiaoting Li, Jean-Luc Scharbarg, Christian Fraboul. Improving end-to-end delay upper bounds on an AFDX network by integrating offsets in worst-case analysis. ETFA'2010, Bilbao, september 2010.
  • Muhammad Adnan, Jean-Luc Scharbarg, Christian Fraboul. Model for worst-case delay analysis of an AFDX network using timed automata. ETFA'2010 (WiP session), Bilbao, september 2010.
  • Xiaoting Li, Jean-Luc Scharbarg, Christian Fraboul. Improving worst-case end-to-end delay analysis with partial synchronization of periodic flows on a switched Ethernet network. ECRTS'2010 (WiP session), Bruxelles, july 2010.
  • Henri Bauer, Jean-Luc Scharbarg, Christian Fraboul. Worst-case delay analysis of an industrial AFDX network. DATE'2010, pages 1-6, Dresden, march 2010.
  • Xiaoting Li, Jean-Luc Scharbarg, Christian Fraboul. Using a temporal distribution of AFDX flows for reducing the worst-case end-to-end communication delay. Junior Researcher Workshop on Real-Time Computing (JRWRTC'2009), pages 11-14, Paris, november 2009.
  • Henri Bauer, Jean-Luc Scharbarg, Christian Fraboul. Applying trajectory approach to AFDX avionics network. ETFA'2009, pages 1-8, Palma de Mallorca, sepember 2009.
  • Henri Bauer, Jean-Luc Scharbarg, Christian Fraboul. Applying and optimizing trajectory approach for performance evaluation of AFDX avionics network. ECRTS'2009 (WiP session), pages 57-60, Dublin, july 2009.
  • Henri Bauer, Jean-Luc Scharbarg, Christian Fraboul. Impact of QoS mechanisms on end-to-end delays for an avionics switched Ethernet. Junior Researcher Workshop on Real-Time Computing (JRWRTC'2008), pages 57-60, Rennes, october 2008.
  • Frédéric Ridouard, Jean-Luc Scharbarg, Christian Fraboul. Probabilistic upper bounds for heterogeneous flows using a static priority queueuing on an AFDX network. ETFA'2008, pages 1220-1227, Hambourg, September 2008.
  • Claudia Betous-Almeida, Jean-Luc Scharbarg, Christian Fraboul. Fault-tolerance analysis of mixed CAN/switched Ethernet architecture. Isola workshop on leveraging applications of formal methods, verification and validation, pages 61-72, Poitiers, december 2007.
  • Frédéric Ridouard, Jean-Luc Scharbarg, Christian Fraboul. Stochastic network calculus for multi-switches flows on an avionics switched Ethernet. FeT'2007, pages 383-390, Toulouse, November 2007.
  • Jean-Luc Scharbarg, Christian Fraboul. A generic simulation model for end-to-end delays evaluation on an avionics switched Ethernet. FeT'2007, pages 159-166, Toulouse, November 2007.
  • Jérôme Ermont, Jean-Luc Scharbarg, Christian Fraboul. Timed analysis of embedded networks using timed automata. FeT'2007, pages 255-260, Toulouse, november 2007.
  • Jean-Luc Scharbarg, Christian Fraboul. Simulation for end-to-end delays distribution on a switched Ethernet. ETFA'2007, pages 1092-1099, Patras, September 2007.
  • Frédéric Ridouard, Jean-Luc Scharbarg, Christian Fraboul. Stochastic network calculus for end-to-end delays distribution evaluation on an avionics switched Ethernet. INDIN2007, pages 559-564, Vienne, july 2007.
  • Frédéric Ridouard, Jean-Luc Scharbarg, Christian Fraboul. Stochastic network calculus for buffer overflow evaluation on an avionics switched ethernet. Junior Researcher Workshop on Real-Time Computing (JRWRTC'2008), pages 55-58, Nancy, march 2007.
  • Hussein Charara, Jean-Luc Scharbarg, Christian Fraboul. Focusing simulation for end-to-end delays analysis on a switched Ethernet. RTSS'2006 (WiP session), pages 65-68, Rio de Janeiro, december 2006.
  • Claudia Betous-Almeida, Jean-Luc Scharbarg, Christian Fraboul. Dependability analysis of mixed CAN/switched Ethernet network. ESREL'2006, pages 2249-2256, Estoril, september 2006.
  • Hussein Charara, Jean-Luc Scharbarg, Christian Fraboul. Analysing end-to-end delays on an AFDX network by simulation. CSN'2006, pages 171-176, Palma de Mallorca, august 2006.
  • Hussein Charara, Jean-Luc Scharbarg, Jérôme Ermont, Christian Fraboul. Methods for bounding end-to-end delays on an AFDX network. ECRTS'2006, pages 193-202, Dresde, july 2006.
  • Jérôme Ermont, Jean-Luc Scharbarg, Christian Fraboul. Worst-case analysis of a mixed CAN/switched Ethernet architecture. RTNS'2006, pages 45-54, Poitiers, may 2006.
  • Jean-Luc Scharbarg, Marc Boyer, Christian Fraboul. Interconnecting CAN busses via an Ethernet backbone. FeT'2005, pages 206-213, Puebla, november 2005.
  • Jean-Luc Scharbarg, Marc Boyer, Christian Fraboul. CAN-Ethernet architectures for real-time applications. ETFA'2005, pages 245-252, Catania, september 2005.
  • Jean-Luc Scharbarg, Marc Boyer, Jérôme Ermont, Christian Fraboul. TTCAN over mixed CAN/switched Ethernet architecture. ETFA'2005, pages 665-668, Catania, september 2005.
  • Dominique L'Her, Jean-Luc Scharbarg, Philippe Le Parc, Jean Vareille, Lionel Marcé. Specification and verification of the korso production cell. INCOM'1998, volume 2, pages 165-170, Nancy, june 1998.
  • Dominique L'Her, Philippe Le Parc, Jean-Luc Scharbarg, Lionel Marcé. Modélisation et vérification de la cellule korso par une boîte à outils Grafcet. ADPM'1998, pages 216-223, Reims, march 1998.
  • Mireille Arnoux, Jean-Luc Scharbarg, Philippe Le Parc, Lionel Marcé. Simulation hybride du fonctionnement d'une usine à béton. ADPM'1994, Bruxelles, november 1994.
  • Patrice Frison, Eric Gautrin, Dominique Lavenier, Jean-Luc Scharbarg. Designing specific systolic arrays with the API15C chip. ASAP'1990, pages 505-517, Princeton, september 1990.
  • Patrice Frison, Eric Gautrin, Dominique Lavenier, Jean-Luc Scharbarg. API15C, a programmable chip for systolic architecture. IFIP workshop on parallel architectures, Grenoble, december 1989.
National conferences
  • Jean-Luc Scharbarg, Jérôme Ermont, Henri Bauer, Christian Fraboul. Analyse des délais de bout en bout pire cas dans des réseaux avioniques. MSR'2009, pages 953-967, Nantes, november 2009.
  • Maurice Diamantini, Jean-Luc Scharbarg, Lionel Marcé. Le Grafcet synchrone pour la conception de circuits. Journées Adéquation Algorithme Architecture en traitement du signal et images, Saclay, january 1998.
  • Jean-Luc Scharbarg, Jérôme Battut, Lionel Marcé. Un automate programmable fondé sur l'approche synchrone du Grafcet. MSR'1996, pages 131-138, Brest, march 1996.
  • Jean-Luc Scharbarg, Christophe Mauras, Eduard Cerny. Composition order for cross-controllability/observability calculations. CCVLSI'1991, Kingston, august 1991.
  • Patrice Frison, Eric Gautrin, Dominique Lavenier, Jean-Luc Scharbarg. Réseaux systoliques spécifiques à base du processeur API15C. Symposium Architectures Nouvelles de Machines}, Toulouse, september 1990
Thesis
  • Jean-Luc Scharbarg. Contributions à l'analyse temporelle de réseaux temps réel embarqués. Habilitation à Diriger des Recherches de l'Institut National Polytechnique de Toulouse, september 2010.
  • Jean-Luc Scharbarg. Une machine systolique adaptée à la correction de chaînes de caractères. Application aux adresses postales. Doctorat de troisième cycle de l'Université de Rennes 1, july 1990
Reports on contracts
  • Christian Fraboul, Jean-Luc Scharbarg. évaluation qualitative de la technologie Erebus et de son intégration dans l'architecture ADCN. Rapport de contrat ADCN, contrat Airbus, IRIT, juin 2009.
  • Christian Fraboul, Jean-Luc Scharbarg. Modélisation et simulation de la configuration du réseau ADCN+ (rapport final). Rapport de contrat ADCN, contrat Airbus, IRIT, mars 2009.
  • Henri Bauer, Frédéric Boniol, Marc Boyer, Jérôme Ermont, Christian Fraboul, Jean-Luc Scharbarg. Etude de cas pour la validation des propositions de nouvelles couches 3 et 4 dans le réseau avionique ADCN. Rapport de contrat ADCN, contrat Airbus, IRIT, novembre 2008.
  • Henri Bauer, Frédéric Boniol, Marc Boyer, Jérôme Ermont, Christian Fraboul, Jean-Luc Scharbarg. Analyse d'impact des propositions de nouvelles couches 3 et 4 dans le réseau avionique ADCN. Rapport de contrat ADCN, contrat Airbus, IRIT, septembre 2008.
  • Henri Bauer, Frédéric Boniol, Marc Boyer, Jérôme Ermont, Christian Fraboul, Jean-Luc Scharbarg. Preuve de déterminisme du réseau ADCN+ (rapport final). Rapport de contrat ADCN, contrat Airbus, IRIT, juillet 2008.
  • Henri Bauer, Marc Boyer, Jérôme Ermont, Christian Fraboul, Frédéric Ridouard, Jean-Luc Scharbarg. Modélisation et simulation de la configuration du réseau ADCN+ (rapport intermédiaire). Rapport de contrat ADCN, contrat Airbus, IRIT, juillet 2008.
  • Henri Bauer, Frédéric Boniol, Marc Boyer, Jérôme Ermont, Christian Fraboul, Jean-Luc Scharbarg. Définition de couches 3 et 4 dans le réseau avionique ADCN. Rapport de contrat ADCN, contrat Airbus, IRIT, juillet 2008.
  • Henri Bauer, Marc Boyer, Jérôme Ermont, Christian Fraboul, Frédéric Ridouard, Jean-Luc Scharbarg. Preuve de déterminisme du réseau ADCN+ (rapport intermédiaire). Rapport de contrat ADCN, contrat Airbus, IRIT, mars 2008.
  • Henri Bauer, Marc Boyer, Jérôme Ermont, Christian Fraboul, Frédéric Ridouard, Jean-Luc Scharbarg. Outils d'évaluation de borne maximale de délais des différents éléments de l'architecture de référence. Rapport de contrat ADCN, contrat Airbus, IRIT, octobre 2007.
  • Henri Bauer, Frédéric Boniol, Marc Boyer, Jérôme Ermont, Christian Fraboul, Claire Pagetti, Jean-Luc Scharbarg, Boris Sidoruk. Propositions d'architecture de références ADCN+ : vers un réseau à qualité de service. Rapport de contrat ADCN, contrat Airbus, IRIT, octobre 2007.
  • Henri Bauer, Frédéric Boniol, Marc Boyer, Jérôme Ermont, Christian Fraboul, Claire Pagetti, Jean-Luc Scharbarg, Boris Sidoruk. Propositions d'architecture de références ADCN+ : vers une interconnexion maîtrisée. Rapport de contrat ADCN, contrat Airbus, IRIT, juillet 2007.
  • Henri Bauer, Frédéric Boniol, Marc Boyer, Jean-Loup Bussenot, Jérôme Ermont, Christian Fraboul, Claire Pagetti, Jean-Luc Scharbarg, Boris Sidoruk. Premières réflexions sur une nouvelle achitecture ADCN+. Rapport de contrat ADCN, contrat Airbus, IRIT, mai 2007.
  • Henri Bauer, Frédéric Boniol, Marc Boyer, Jean-Loup Bussenot, Jérôme Ermont, Christian Fraboul, Claire Pagetti, Jean-Luc Scharbarg, Boris Sidoruk. Etat de l'art sur l'achitecture ADCN. Rapport de contrat ADCN, contrat Airbus, IRIT, avril 2007.
  • Frédéric Boniol, Marc Boyer, Jérôme Ermont, Fabrice Frances, Claire Pagetti, Christine Rochange, Pascal Sainrat, Jean-Luc Scharbarg. Comparaison d'architectures. Rapport de contrat MARTIAC, contrat Airbus, IRIT, juillet 2007.
  • Jean-Luc Scharbarg, Jérôme Ermont, Christian Fraboul. Etat de l'art des machines parallèles. Rapport de contrat MARTIAC, contrat Airbus, IRIT, décembre 2006.
  • Emmanuel Grolleau, André-Luc Beylot, Emmanuel Chaput, Jean-Luc Scharbarg, Riadh Dhaou. Applicabilité des standards télécom terrestres aux réseaux MANET tactiques. Rapport de contrat rockwell collins, IRIT, décembre 2005.

 

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 Teaching

  • Embedded networks: 3rd year ENSEEIHT-TR and Embedded Systems master
  • Real time systems: 2nd year ENSEEIHT-IMA, 3rd year ENSEEIHT-TR and master in computer science
  • WLAN: 3rd year ENSEEIHT-TR
  • Computer architecture: 1st year ENSEEIHT-TR
  • Operating systems: 1st year ENSEEIHT-TR
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 Administration

  • ENSEEIHT head of the Embedded Systems master since september 2008
  • Head of the embedded networks and satellite networks option: 3rd year ENSEEIHT-TR since september 2007
  • Head of the IRT group of IRIT since january 2011