A Symbiotic Approach to Designing Cross-Layer QoS in Embedded Real-Time Systems
Identifieur interne : 000515 ( Hal/Curation ); précédent : 000514; suivant : 000516A Symbiotic Approach to Designing Cross-Layer QoS in Embedded Real-Time Systems
Auteurs : Florian Greff [France] ; Eric Dujardin [France] ; Arnaud Samama [France] ; Ye-Qiong Song [France] ; Laurent Ciarletta [France]Source :
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Abstract
Nowadays there is an increasing need for embedded systems to support intensive computing while maintaining traditional hard real-time and fault-tolerant properties. Extending the principle of multi-core systems, we are exploring the use of distributed processing units interconnected via a high performance mesh network as a way of supporting distributed real-time applications. Fault-tolerance can then be ensured through dynamic allocation of both computing and communication resources. We postulate that enhancing QoS (Quality of Service) for real-time applications entails the development of a cross-layer support of high-level requirements, thus requiring a deep knowledge of the underlying networks. In this paper, we propose a new simulation/emulation/experimentation framework, ERICA, for designing such a feature. ERICA integrates both a network simulator and an actual hardware network to allow implementation and evaluation of different QoS-guaranteeing mechanisms. It also supports real-software-in-the-loop, i.e. running of real applications and middleware over these networks. Each component can evolve separately or together in a symbiotic manner, also making teamwork more flexible. We present in more detail our discrete-event simulation approach and the in-silicon implementation with which we cross-check our solutions in order to bring real performance aspects to our work. We also discuss the challenges of running real-software-in-the-loop in a real-time context, i.e. how to bridge it with a network simulator, and how to deal with time consistency.
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type="indirect"><org type="institution" xml:id="struct-441569" status="VALID"><idno type="ISNI">0000000122597504</idno><idno type="IdRef">02636817X</idno><orgName>Centre National de la Recherche Scientifique</orgName><orgName type="acronym">CNRS</orgName><date type="start">1939-10-19</date><desc><address><country key="FR"></country></address><ref type="url">http://www.cnrs.fr/</ref></desc></org></tutelle></tutelles></hal:affiliation><country>France</country><placeName><settlement type="city">Nancy</settlement><settlement type="city">Metz</settlement><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Lorraine (région)</region></placeName><orgName type="university">Université de Lorraine</orgName></affiliation></author></analytic></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="mix" xml:lang="en"><term>QoS</term><term>RapidIO</term><term>mesh</term><term>network</term><term>real-time</term><term>simulation</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Nowadays there is an increasing need for embedded systems to support intensive computing while maintaining traditional hard real-time and fault-tolerant properties. Extending the principle of multi-core systems, we are exploring the use of distributed processing units interconnected via a high performance mesh network as a way of supporting distributed real-time applications. Fault-tolerance can then be ensured through dynamic allocation of both computing and communication resources. We postulate that enhancing QoS (Quality of Service) for real-time applications entails the development of a cross-layer support of high-level requirements, thus requiring a deep knowledge of the underlying networks. In this paper, we propose a new simulation/emulation/experimentation framework, ERICA, for designing such a feature. ERICA integrates both a network simulator and an actual hardware network to allow implementation and evaluation of different QoS-guaranteeing mechanisms. It also supports real-software-in-the-loop, i.e. running of real applications and middleware over these networks. Each component can evolve separately or together in a symbiotic manner, also making teamwork more flexible. We present in more detail our discrete-event simulation approach and the in-silicon implementation with which we cross-check our solutions in order to bring real performance aspects to our work. We also discuss the challenges of running real-software-in-the-loop in a real-time context, i.e. how to bridge it with a network simulator, and how to deal with time consistency.</div></front></TEI><hal api="V3"><titleStmt><title xml:lang="en">A Symbiotic Approach to Designing Cross-Layer QoS in Embedded Real-Time Systems</title><author role="aut"><persName><forename type="first">Florian</forename><surname>Greff</surname></persName><email></email><idno type="halauthor">1259725</idno><affiliation ref="#struct-19045"></affiliation><affiliation ref="#struct-205122"></affiliation></author><author role="aut"><persName><forename type="first">Eric</forename><surname>Dujardin</surname></persName><email></email><idno type="halauthor">101183</idno><affiliation ref="#struct-19045"></affiliation></author><author role="aut"><persName><forename type="first">Arnaud</forename><surname>Samama</surname></persName><email></email><idno type="halauthor">1259726</idno><affiliation ref="#struct-19045"></affiliation></author><author role="aut"><persName><forename type="first">Ye-Qiong</forename><surname>Song</surname></persName><email></email><idno type="halauthor">66298</idno><affiliation ref="#struct-205122"></affiliation></author><author role="aut"><persName><forename type="first">Laurent</forename><surname>Ciarletta</surname></persName><email></email><idno type="halauthor">1068556</idno><affiliation ref="#struct-205122"></affiliation></author><editor role="depositor"><persName><forename>Florian</forename><surname>GREFF</surname></persName><email>florian.greff@inria.fr</email></editor></titleStmt><editionStmt><edition n="v1" type="current"><date type="whenSubmitted">2015-12-11 13:54:29</date><date type="whenWritten">2015-11</date><date type="whenModified">2016-01-18 14:25:37</date><date type="whenReleased">2015-12-11 14:31:38</date><date type="whenProduced">2016-01-27</date><date type="whenEndEmbargoed">2015-12-11</date><ref type="file" target="https://hal.inria.fr/hal-01242068/document"><date notBefore="2015-12-11"></date></ref><ref type="file" subtype="author" n="1" target="https://hal.inria.fr/hal-01242068/file/ERTS_16_tosend.pdf"><date notBefore="2015-12-11"></date></ref></edition><respStmt><resp>contributor</resp><name key="327906"><persName><forename>Florian</forename><surname>GREFF</surname></persName><email>florian.greff@inria.fr</email></name></respStmt></editionStmt><publicationStmt><distributor>CCSD</distributor><idno type="halId">hal-01242068</idno><idno type="halUri">https://hal.inria.fr/hal-01242068</idno><idno type="halBibtex">greff:hal-01242068</idno><idno type="halRefHtml">8th European Congress on Embedded Real Time Software and Systems (ERTS 2016)", Jan 2016, Toulouse, France. 2016, <http://www.erts2016.org/></idno><idno type="halRef">8th European Congress on Embedded Real Time Software and Systems (ERTS 2016)", Jan 2016, Toulouse, France. 2016, <http://www.erts2016.org/></idno></publicationStmt><seriesStmt><idno type="stamp" n="CNRS">CNRS - Centre national de la recherche scientifique</idno><idno type="stamp" n="INRIA-LORRAINE">INRIA Nancy - Grand Est</idno><idno type="stamp" n="INRIA-NANCY-GRAND-EST">INRIA Nancy - Grand Est</idno><idno type="stamp" n="LORIA-NSS" p="LORIA">Réseaux, systèmes et services</idno><idno type="stamp" n="LORIA2">Publications du LORIA</idno><idno type="stamp" n="INRIA">INRIA - Institut National de Recherche en Informatique et en Automatique</idno><idno type="stamp" n="LORIA">LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications</idno><idno type="stamp" n="INRIA_TEST">INRIA - Institut National de Recherche en Informatique et en Automatique</idno><idno type="stamp" n="UNIV-LORRAINE">Université de Lorraine</idno><idno type="stamp" n="INRIA2">INRIA 2</idno><idno type="stamp" n="ERTS2016">Proceeding of the 8th European Congress on Embedded Real Time Software and Systems</idno></seriesStmt><notesStmt><note type="audience" n="2">International</note><note type="invited" n="0">No</note><note type="popular" n="0">No</note><note type="peer" n="1">Yes</note><note type="proceedings" n="1">Yes</note></notesStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">A Symbiotic Approach to Designing Cross-Layer QoS in Embedded Real-Time Systems</title><author role="aut"><persName><forename type="first">Florian</forename><surname>Greff</surname></persName><idno type="halAuthorId">1259725</idno><affiliation ref="#struct-19045"></affiliation><affiliation ref="#struct-205122"></affiliation></author><author role="aut"><persName><forename type="first">Eric</forename><surname>Dujardin</surname></persName><idno type="halAuthorId">101183</idno><affiliation ref="#struct-19045"></affiliation></author><author role="aut"><persName><forename type="first">Arnaud</forename><surname>Samama</surname></persName><idno type="halAuthorId">1259726</idno><affiliation ref="#struct-19045"></affiliation></author><author role="aut"><persName><forename type="first">Ye-Qiong</forename><surname>Song</surname></persName><idno type="halAuthorId">66298</idno><affiliation ref="#struct-205122"></affiliation></author><author role="aut"><persName><forename type="first">Laurent</forename><surname>Ciarletta</surname></persName><idno type="halAuthorId">1068556</idno><affiliation ref="#struct-205122"></affiliation></author></analytic><monogr><meeting><title>8th European Congress on Embedded Real Time Software and Systems (ERTS 2016)"</title><date type="start">2016-01-27</date><date type="end">2016-01-29</date><settlement>Toulouse</settlement><country key="FR">France</country></meeting><imprint><date type="datePub">2016-01</date></imprint></monogr><ref type="publisher">http://www.erts2016.org/</ref></biblStruct></sourceDesc><profileDesc><langUsage><language ident="en">English</language></langUsage><textClass><keywords scheme="author"><term xml:lang="en">QoS</term><term xml:lang="en">network</term><term xml:lang="en">real-time</term><term xml:lang="en">simulation</term><term xml:lang="en">mesh</term><term xml:lang="en">RapidIO</term></keywords><classCode scheme="halDomain" n="info.info-mo">Computer Science [cs]/Modeling and Simulation</classCode><classCode scheme="halDomain" n="info.info-es">Computer Science [cs]/Embedded Systems</classCode><classCode scheme="halDomain" n="info.info-ni">Computer Science [cs]/Networking and Internet Architecture [cs.NI]</classCode><classCode scheme="halDomain" n="info.info-dc">Computer Science [cs]/Distributed, Parallel, and Cluster Computing [cs.DC]</classCode><classCode scheme="halDomain" n="info.info-ar">Computer Science [cs]/Hardware Architecture [cs.AR]</classCode><classCode scheme="halDomain" n="info.info-et">Computer Science [cs]/Emerging Technologies [cs.ET]</classCode><classCode scheme="halTypology" n="COMM">Conference papers</classCode></textClass><abstract xml:lang="en">Nowadays there is an increasing need for embedded systems to support intensive computing while maintaining traditional hard real-time and fault-tolerant properties. Extending the principle of multi-core systems, we are exploring the use of distributed processing units interconnected via a high performance mesh network as a way of supporting distributed real-time applications. Fault-tolerance can then be ensured through dynamic allocation of both computing and communication resources. We postulate that enhancing QoS (Quality of Service) for real-time applications entails the development of a cross-layer support of high-level requirements, thus requiring a deep knowledge of the underlying networks. In this paper, we propose a new simulation/emulation/experimentation framework, ERICA, for designing such a feature. ERICA integrates both a network simulator and an actual hardware network to allow implementation and evaluation of different QoS-guaranteeing mechanisms. It also supports real-software-in-the-loop, i.e. running of real applications and middleware over these networks. Each component can evolve separately or together in a symbiotic manner, also making teamwork more flexible. We present in more detail our discrete-event simulation approach and the in-silicon implementation with which we cross-check our solutions in order to bring real performance aspects to our work. We also discuss the challenges of running real-software-in-the-loop in a real-time context, i.e. how to bridge it with a network simulator, and how to deal with time consistency.</abstract></profileDesc></hal></record>Pour manipuler ce document sous Unix (Dilib)
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