Publications Till Steinbach in 2015 (English)

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2015

• Sebastian Meiling, Thomas C. Schmidt, and Till Steinbach. On Performance and Robustness of Internet-Based Smart Grid Communication: A Case Study for Germany. In: 6th IEEE International Conference on Smart Grid Communications (SmartGridComm'15). Pages 300—305, Piscataway, New Jersey, 2015, IEEE Press,
  [Abstract], [Fulltext Document (pdf)], [DOI], [IEEE Xplore], [Bibtex]

  Emerging Smart Grid solutions require an out-of-band communication channel to enable services such as advanced metering, demand side management, and virtual power plants. The Internet is able to host these highly distributed communication demands, leading the Smart Grid to become an Internet-dependent critical national infrastructure. In this work, we introduce a nation-centric perspective and methodology to shed light on performance and robustness of Internet-based Smart Grid communication. By presenting a case study for Germany, our contributions are: (a) we apply new methods to identify all stakeholders of the energy sector within a national Internet topology, (b) we analyze vulnerabilities of the corresponding communication (sub-)system as part of the current Internet, and (c) we extend our analysis to include Internet access, networks of consumer households, where most Smart Grid applications will be implemented. Our findings indicate that the energy-related Internet subsystems are up to 2-times more robust to network failures than the national average. Further, Internet connectivity of consumers households achieves availability of >99% and is therefore suitable for most Smart Grid applications.

  @InProceedings{   mss-prisg-15,
    author        = {Sebastian Meiling AND Thomas C. Schmidt AND Till Steinbach},
    title         = {{On Performance and Robustness of Internet-Based Smart Grid
                    Communication: A Case Study for Germany}},
    booktitle     = {6th IEEE International Conference on Smart Grid
                    Communications (SmartGridComm'15)},
    year          = 2015,
    pages         = {300--305},
    isbn          = {978-1-4673-8288-5},
    publisher     = {IEEE Press},
    address       = {Piscataway, New Jersey},
    location      = {Miami, FL, USA},
    doi           = {10.1109/SmartGridComm.2015.7436316},
    eprinttype    = {ieeexplore},
    eprint        = {7436316},
    abstract      = {Emerging Smart Grid solutions require an out-of-band 
                    communication channel to enable services such as advanced
                    metering, demand side management, and virtual power plants.
                    The Internet is able to host these highly distributed
                    communication demands, leading the Smart Grid to become an
                    Internet-dependent critical national infrastructure. In this
                    work, we introduce a nation-centric perspective and
                    methodology to shed light on performance and robustness of
                    Internet-based Smart Grid communication. By presenting a case
                    study for Germany, our contributions are: (a) we apply new
                    methods to identify all stakeholders of the energy sector
                    within a national Internet topology, (b) we analyze
                    vulnerabilities of the corresponding communication (sub-)system
                    as part of the current Internet, and (c) we extend our analysis
                    to include Internet access, networks of consumer households,
                    where most Smart Grid applications will be implemented. Our
                    findings indicate that the energy-related Internet subsystems
                    are up to 2-times more robust to network failures than the
                    national average. Further, Internet connectivity of consumers
                    households achieves availability of >99\% and is therefore
                    suitable for most Smart Grid applications.},
    langid        = {english}
  }

• Till Steinbach, and Franz Korf. System Level Simulation for the Design and Evaluation of Heterogeneous Ethernet, CAN, and FlexRay In-Car Networks. Nov. 2015, Invited Talk.
  [Slides (pdf)], [Bibtex]

  @Misc{            sk-slsde-15,
    author        = {Till Steinbach AND Franz Korf},
    title         = {{System Level Simulation for the Design and Evaluation of
                    Heterogeneous Ethernet, CAN, and FlexRay In-Car Networks}},
    howpublished  = {3rd International Conference on Automotive BUS Systems +
                    Ethernet},
    month         = nov,
    year          = 2015,
    note          = {Invited Talk},
    langid        = {english}
  }

• Till Steinbach, Hyung-Taek Lim, Franz Korf, Thomas C. Schmidt, Daniel Herrscher, and Adam Wolisz. Beware of the Hidden! How Cross-traffic Affects Quality Assurances of Competing Real-time Ethernet Standards for In-Car Communication. In: 2015 IEEE Conference on Local Computer Networks (LCN). Pages 1—9, Oct. 2015,
  [Abstract], [Fulltext Document (pdf)], [Slides (pdf)], [Video of Presentation], [DOI], [IEEE Xplore], [Bibtex]

  Real-time Ethernet is expected to become the core technology of future in-car communication networks. Following its current adoption in subsystems for info- and entertainment, broadband Ethernet promises new features in the core of upcoming car series. Its full potential will enfold when deploying Ethernet-based backbones that consolidate all automotive domains on a single physical layer at increased bandwidth but reduced complexity and cost. In such a backbone, traffic with a variety of real-time requirements and best-effort characteristics will share the same physical infrastructure. However, certain applications like online diagnosis, data- or firmware updates, and access to off-board backends will introduce bursty high traffic loads to the sensitive core of the cars communication network. In this work, we analyze the robustness against cross-traffic of real-time Ethernet protocols. Based on a realistic in-car scenario, we demonstrate that background cross-traffic can have significant impact on in-car backbone networks—-even for real-time protocols with strict prioritization. By comparing the real-time approaches Ethernet AVBs asynchronous credit based shaping with the time-triggered and rate-constrained traffic classes of Time-triggered Ethernet (AS6802) we quantify how different media access policies suffer from low priority bursts of applications such as diagnosis, online updates or backend-based services. Our simulation study of a realistic in-car backbone design and traffic model reveals that in a realistic in-car network design, cross-traffic may increase end-to-end latency by more than 500% while the jitter can become 14 times higher than for a network without background tasks. We discuss ways to mitigate these degrading effects.

  @InProceedings{   slksh-bhcan-15,
    author        = {Till Steinbach AND Hyung-Taek Lim AND Franz Korf AND
                    Thomas C. Schmidt AND Daniel Herrscher AND Adam Wolisz},
    title         = {{Beware of the Hidden! How Cross-traffic Affects Quality
                    Assurances of Competing Real-time Ethernet Standards for
                    In-Car Communication}},
    booktitle     = {2015 IEEE Conference on Local Computer Networks (LCN)},
    month         = oct,
    year          = 2015,
    pages         = {1--9},
    isbn          = {978-1-4673-6770-7},
    doi           = {10.1109/LCN.2015.7366277},
    eprinttype    = {ieeexplore},
    eprint        = {7366277},
    abstract      = {Real-time Ethernet is expected to become the core
                    technology of future in-car communication networks.
                    Following its current adoption in subsystems for info- and
                    entertainment, broadband Ethernet promises new features in
                    the core of upcoming car series. Its full potential will
                    enfold when deploying Ethernet-based backbones that
                    consolidate all automotive domains on a single physical
                    layer at increased bandwidth but reduced complexity and
                    cost. In such a backbone, traffic with a variety of
                    real-time requirements and best-effort characteristics will
                    share the same physical infrastructure. However, certain
                    applications like online diagnosis, data- or firmware
                    updates, and access to off-board backends will introduce
                    bursty high traffic loads to the sensitive core of the cars
                    communication network. In this work, we analyze the
                    robustness against cross-traffic of real-time Ethernet
                    protocols. Based on a realistic in-car scenario, we
                    demonstrate that background cross-traffic can have
                    significant impact on in-car backbone networks---even for
                    real-time protocols with strict prioritization. By
                    comparing the real-time approaches Ethernet AVBs
                    asynchronous credit based shaping with the time-triggered
                    and rate-constrained traffic classes of Time-triggered
                    Ethernet (AS6802) we quantify how different media access
                    policies suffer from low priority bursts of applications
                    such as diagnosis, online updates or backend-based
                    services. Our simulation study of a realistic in-car
                    backbone design and traffic model reveals that in a
                    realistic in-car network design, cross-traffic may increase
                    end-to-end latency by more than 500\% while the jitter can
                    become 14 times higher than for a network without
                    background tasks. We discuss ways to mitigate these
                    degrading effects.},
    langid        = {english},
    note          = {LCN Best Paper Award}
  }

• Till Steinbach, Philipp Meyer, Stefan Buschmann, Franz Korf, and Thomas C. Schmidt. Demo: Prototyping Next-Generation In-Car Backbones Using System-Level Network Simulation. In: 2015 IEEE Conference on Local Computer Networks (LCN). Oct. 2015,
  [Abstract], [Fulltext Document (pdf)], [Poster (pdf)], [Bibtex]

  We show a network simulation environment for assessing Ethernet-based concepts and technologies of next generation in-car networks, as well as their protocols, and possible deployment. Among others, the simulation models contain the core concepts of AS6802 and AFDX, Ethernet AVB and IEEE 802.1Q as well as legacy fieldbus technologies like CAN and FlexRay and automotive gateway designs to interconnect the technologies. All modules can be flexibly configured and combined or used as a foundation for the implementation of new ideas. System-level network simulation allows us to design and evaluate backbone architectures and develop protocols and configurations that comply with the rigid real-time requirements of in-car communication. The shown tool chain is open source and can be downloaded for experiments and reviews of published simulation studies at http://core4inet.realmv6.org

  @InProceedings{   smbks-pnibu-15,
    author        = {Till Steinbach AND Philipp Meyer AND Stefan Buschmann AND
                    Franz Korf AND Thomas C. Schmidt},
    title         = {{Demo: Prototyping Next-Generation In-Car Backbones Using
                    System-Level Network Simulation}},
    booktitle     = {2015 IEEE Conference on Local Computer Networks (LCN)},
    month         = oct,
    year          = 2015,
    abstract      = {We show a network simulation environment for assessing
                    Ethernet-based concepts and technologies of next generation
                    in-car networks, as well as their protocols, and possible
                    deployment. Among others, the simulation models contain the
                    core concepts of AS6802 and AFDX, Ethernet AVB and IEEE
                    802.1Q as well as legacy fieldbus technologies like CAN and
                    FlexRay and automotive gateway designs to interconnect the
                    technologies. All modules can be flexibly configured and
                    combined or used as a foundation for the implementation of
                    new ideas. System-level network simulation allows us to
                    design and evaluate backbone architectures and develop
                    protocols and configurations that comply with the rigid
                    real-time requirements of in-car communication. The shown
                    tool chain is open source and can be downloaded for
                    experiments and reviews of published simulation studies at
                    http://core4inet.realmv6.org},
    langid        = {english}
  }