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On the Performance of Stream-based, Class-based Time-aware Shaping and Frame Preemption in TSN

David Hellmanns, Jonathan Falk, Alexander Glavackij, Rene Hummen, Stephan Kehrer, Frank Durr
2020 2020 IEEE International Conference on Industrial Technology (ICIT)  
TSN includes several mechanisms influencing the timely forwarding of traffic, in particular, a time-triggered scheduling mechanism called time-aware shaper (TAS) and frame preemption to reduce the blocking  ...  In this paper, we make a first step towards assisting practitioners in making an informed decision when choosing between stream-based TAS, class-based TAS, and frame preemption by comparing these mechanisms  ...  PACKET SCHEDULING IN TSN In the previous section, we introduced the Time-Aware Shaper (TAS) and frame preemption.  ... 
doi:10.1109/icit45562.2020.9067122 dblp:conf/icit2/HellmannsFGHKD20 fatcat:5nykykl37zdprilp5b3shoev5m

Do We Really Need TSN in Next-Generation Helicopters? Insights From a Case-Study

Cedric Mauclair, Marina Gutierrez, Jorn Migge, Nicolas Navet
2021 2021 IEEE/AIAA 40th Digital Avionics Systems Conference (DASC)  
In this context, this work explores the use of TSN timing QoS mechanisms for helicopter's avionics and mission systems on a case-study representative of the communication requirements of next-generation  ...  This study aims to provide quantified insights into what can be expected from TSN in terms of timing, memory usage and extensibility.  ...  The optional QoS mechanisms are applied in a hierarchical manner: first priorities, then shaping according to the Credit Based Shaper, then the Time-Aware-Shaper, then frame preemption.  ... 
doi:10.1109/dasc52595.2021.9594349 fatcat:d7f7q3zdhbaune22cehkbswibe

Time-Sensitive Network (TSN) Experiment in Sensor-Based Integrated Environment for Autonomous Driving

Juho Lee, Sungkwon Park
2019 Sensors  
The Ethernet-based in-vehicle network has been standardized in the IEEE 802.1 time-sensitive network (TSN) group since 2006.  ...  is one of the main TSN functions) and reduces the overall End-to-End delay.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s19051111 fatcat:tbuchcdudbbwdanmal76ydhkx4

Implementation Cost Comparison of TSN Traffic Control Mechanisms

Aleksander Pruski, Mubarak Adetunji Ojewale, Voica Gavrilut, Patrick Meumeu Yomsi, Michael Stubert Berger, Luis Almeida
2021 2021 26th IEEE International Conference on Emerging Technologies and Factory Automation (ETFA )  
Prominent among those are the IEEE 802.1 Qbv Time Aware Shaper (TAS) and IEEE 802.1Qav Credit-Based Shaper (CBS).Another traffic control mechanism is the IEEE 802.1Qbu Frame Preemption.  ...  The IEEE Time-Sensitive Networking (TSN) Task Group specifies a set of standards that enables real-time communication with predictable and bounded delays over the Ethernet.  ...  for Science and Technology), within the CISTER Research Unit (UIDB/04234/2020).  ... 
doi:10.1109/etfa45728.2021.9613463 fatcat:jqijjxecgfbnflkbmwsq3nxvzm

On the adequacy of SDN and TSN for Industry 4.0

Luis Silva, Paulo Pedreiras, Pedro Fonseca, Luis Almeida
2019 2019 IEEE 22nd International Symposium on Real-Time Distributed Computing (ISORC)  
appeared recently in the industrial realm, namely IEEE802.1 Time-Sensitive Networking (TSN) and Software-DefinedNetworking (SDN).  ...  However, traditional industrial communication technologies hardly provide the required level of integration, flexibility and performance.  ...  Cyclic Queuing and Forwarding (CQF) (IEEE 802.1Qch), colloquially known as Peristaltic Shaping, combines the special time-aware stream filters of IEEE 802.1Qci and the scheduling facilities of IEEE 802.1Qbv  ... 
doi:10.1109/isorc.2019.00017 dblp:conf/isorc/SilvaP0019 fatcat:gmcr24e2bbbepgby3nt5vfgova

Ultra-Low Latency (ULL) Networks: The IEEE TSN and IETF DetNet Standards and Related 5G ULL Research

Ahmed Nasrallah, Akhilesh S. Thyagaturu, Ziyad Alharbi, Cuixiang Wang, Xing Shao, Martin Reisslein, Hesham ElBakoury
2019 IEEE Communications Surveys and Tutorials  
This article provides an up-to-date comprehensive survey of the IEEE TSN and IETF DetNet standards and the related research studies.  ...  The IEEE 802.1 Time Sensitive Networking (TSN) standard and related research studies have sought to provide link layer support for ULL networking, while the emerging IETF Deterministic Networking (DetNet  ...  In addition to the CDT class, TSN distinguishes traffic class A and class B. Collectively, these traffic classes are shaped by the traffic shapers in the TSN nodes to meet the delay requirements.  ... 
doi:10.1109/comst.2018.2869350 fatcat:kvymef5mbvfarfw3jnct5uj5ma

Simulating TSN traffic scheduling and shaping for future automotive Ethernet

Zifan Zhou, Juho Lee, Michael Stubert Berger, Sungkwon Park, Ying Yan
2021 Journal of Communications and Networks  
And we especially focus on two solutions, namely the time-aware shaping (TAS) and asynchronous traffic shaping (ATS).  ...  To investigate the performance, we introduce a TSN-based automotive gateway testing model in a simulation environment.  ...  Time-Aware Shaper (TAS) In TSN, the time synchronization is based on the IEEE 1588 precision time protocol (PTP).  ... 
doi:10.23919/jcn.2021.000001 fatcat:em3kwd27eva3fa45tmfzqgxjvm

Network Slicing for TSN-based Transport Networks

Sushmit Bhattacharjee, Kostas Katsalis, Osama Arouk, Robert Schmidt, Tongtong Wang, Xueli An, Thomas Bauschert, Navid Nikaein
2021 IEEE Access  
After 7 years in IEEE 802 Ethernet standard research and development, her current research focus is on network latency guarantee and optimization, and she is now the editor of IEEE P802.1 DF TSN profiles  ...  VLAN ID is used to differentiate the traffic between slices and QoS handling is performed based on the VLAN PCP field of each frame.  ...  With the introduction of more complex traffic shaping mechanisms in TSN such as Scheduled Traffic (IEEE 802.1Qbv) and Frame preemption (IEEE 802.3br, IEEE 802.1Qbu), enhancements of SRP were required which  ... 
doi:10.1109/access.2021.3074802 fatcat:757t6rdlwzd2thooahm2k4vd7e

Design Methodology of Automotive Time-Sensitive Network System Based on OMNeT++ Simulation System

Feng Luo, Bowen Wang, Zhenyu Yang, Ping Zhang, Yifei Ma, Zihao Fang, Mingzhi Wu, Zhipeng Sun
2022 Sensors  
However, most of the existing studies on automotive TSN performance are based on a single mechanism, lacking a complete and systematic research tool.  ...  Lastly, a complex automotive scenario based on zonal architecture provided by a major motor company in Shanghai is analyzed in the simulated system; verifying TSN can guarantee real-time performance and  ...  Acknowledgments: We acknowledge the support received from the Shanghai Automotive Industry Science and Technology Development Foundation (1806) and the Perspective Study Funding of Nanchang Automotive  ... 
doi:10.3390/s22124580 pmid:35746369 pmcid:PMC9229697 fatcat:bj55v5becrhgxm5gpks7b7liau

FactoRing: Asynchronous TSN-compliant Network with low bounded Jitters for Industry 4.0

Ahlem Mifdaoui, Jerome Lacan, Arnaud Dion, Fabrice Frances, Pierre Leroy
2021 2021 26th IEEE International Conference on Emerging Technologies and Factory Automation (ETFA )  
Finally, preliminary results on performance metrics like jitters, latencies and buffer usage are discussed and the first conclusions on the promises of Factoring to meet Industry 4.0 requirements are derived  ...  Time-Sensitive Networking (TSN) describes a set of features extending the functionalities and Quality of Service (QoS) of standard Ethernet to enable determinism, reliability and reconfigurability, key  ...  ACKNOWLEDGMENT The authors would like to thank Oana Hotescu and Ludovic Thomas for their valuable feedbacks during the project meetings, and Thierry Leydier for his support to implement FactoRing plugin  ... 
doi:10.1109/etfa45728.2021.9613631 fatcat:fczq3b2ukjcdvlbevnuz6kubn4

Assessments of Real-Time Communications over TSN Automotive Networks

Lucia Lo Bello, Gaetano Patti, Giancarlo Vasta
2021 Electronics  
This work provides the performance evaluation of EDSched, a traffic management scheme for IEEE 802.1Q bridges and end nodes that introduces explicit support for event-driven real-time traffic.  ...  EDSched works at the MAC layer and builds upon the mechanisms defined in the IEEE 802.1Q-2018 standard.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/electronics10050556 fatcat:3jli7dz4urc3jmcowy4rxdht6a

Time-Sensitive Networking in IEEE 802.11be: On the Way to Low-Latency WiFi 7

Toni Adame, Marc Carrascosa-Zamacois, Boris Bellalta
2021 Sensors  
With the IEEE 802.11be amendment as one of its main constituent parts, future WiFi 7 aims to include time-sensitive networking (TSN) capabilities to support low latency and ultra-reliability in license-exempt  ...  This article first introduces the key features of IEEE 802.11be, which are then used as the basis to discuss how TSN functionalities could be implemented in WiFi 7.  ...  Traffic Shaping Besides the time-aware scheduler, TSN offers additional prioritization mechanisms in form of traffic shapers.  ... 
doi:10.3390/s21154954 pmid:34372190 pmcid:PMC8347193 fatcat:e26vvc2khngpxorxayt4cdqyxa

Time-Sensitive Networking in IEEE 802.11be: On the Way to Low-latency WiFi 7 [article]

Toni Adame, Marc Carrascosa, Boris Bellalta
2020 arXiv   pre-print
With the IEEE 802.11be amendment as one of its main constituent parts, future WiFi 7 aims to include time-sensitive networking (TSN) capabilities to support low latency and ultra reliability in license-exempt  ...  Short time after the official launch of WiFi 6, IEEE 802.11 working groups are already designing its successor in the wireless local area network (WLAN) ecosystem: WiFi 7.  ...  ACKNOWLEDGMENT This work received funding from the Spanish government under the projects PGC2018-099959-B-100 and TEC2016-79510-P, and from the Catalan government through projects SGR-2017-1188 and SGR  ... 
arXiv:1912.06086v2 fatcat:xcyjui74ibg7vcq7fpbxa5fkhy

A Comprehensive Review on Time Sensitive Networks with a Special Focus on Its Applicability to Industrial Smart and Distributed Measurement Systems

Tommaso Fedullo, Alberto Morato, Federico Tramarin, Luigi Rovati, Stefano Vitturi
2022 Sensors  
In the last years, the IEEE 802.1 Working Group defined an extensive set of standards, comprehensively known as Time Sensitive Networking (TSN), aiming at reshaping the Ethernet standard to support for  ...  Furthermore, the adoption of TSN within the Wi-Fi technology is addressed in the last part of the survey, since wireless communication represents an appealing opportunity in the industrial measurement  ...  An efficient mechanism to handle such time-aware data transmission is to split the streams in different traffic classes and provide bandwidth reservation for the time-critical ones, namely Stream Reservation  ... 
doi:10.3390/s22041638 pmid:35214541 pmcid:PMC8879530 fatcat:pnpayi2fpbcevjfpn6hjb2oh2u

Delay analysis of AVB traffic in time-sensitive networks (TSN)

Dorin Maxim, Ye-Qiong Song
2017 Proceedings of the 25th International Conference on Real-Time Networks and Systems - RTNS '17  
In this paper we present a local delay analysis of AVB frames under hierarchical scheduling of credit-based shaping and time-aware shaping on TSN switches.  ...  We present the e ects of time aware shaping on AVB tra c, how it changes the relative order of transmission of frames leading to bursts and worst case scenarios for lower priority streams.  ...  Acknowledgements is work was partially funded by the EUROSTARS RETINA Project.  ... 
doi:10.1145/3139258.3139283 dblp:conf/rtns/MaximS17 fatcat:twkqaogdqvdxvbcpgvllbpowrq
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