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29. - 30. September 2021
Virtual Event

TSN/A Conference

Time: Central European Time / CET

Complete Program

Day 1 - Wednesday, 29. September 2021

15:00 - 17:30
Session 1 Opening Session
15:00 - 15:10
Opening remarks
15:10 - 15:50
Keynote Dr. Henning Löser, AUDI
15:50 - 17:00
Standards Update János Farkas, Ericsson; Ludwig Winkel, L.A.N. Winkel; Balázs Varga, Ericsson; Malcolm Smith, Cisco; Donald Pannell, NXP; Nianshan Shi, Ericsson  
IEEE 802.1 TSN update; IEC/IEEE 60802 update; P802.1DG update; IETF DetNet update; 3GPP update; 802.11 update; Followed by Q&A
17:00 - 17:30
BREAK

Parallel Sessions

17:30 - 19:30
Session 2 Software, Systems, & Open Source
17:30 - 18:00
Software Time Sensitive Networking with Linux Kurt Kanzenbach, Linutronix  
Linux in combination with PREEMPT_RT is a popular operating system for end devices as well as bridges in TSN networks. Over the last years several TSN technologies have been integrated and deployed into the Linux network stack. For instance, this includes time synchronization, various shapers and deterministic packet transmission and reception. Most of these functionalities can be either offloaded into the hardware if supported or realized in software. In this contribution we evaluate what performance and precision can be expected in deploying TSN networks with standard Ethernet - not TSN capable - hardware using the existing Linux software implementations.
18:00 - 18:30
TSN Network Interface support in Linux - towards a standards-based solution Patrick Loschmidt, TTTech Industrial  
For Ethernet network switches, there are multiple IEEE standards for TSN communication and configuration capabilities; but configuring and using certain TSN features on an endpoint may require specialized or proprietary mechanisms. In this talk we present an existing solution for Linux-based TSN endpoint configuration for 802.1AS-2020, 802.1Qbv, 802.1Qbu and 802.1Qci, and integration into embedded applications (a standard Linux socket with some TSN-specific proprietary side-channel for configuration) and compare this to the upcoming Linux support for TSN-capable Ethernet interfaces.
18:30 - 19:00
OPC UA PubSub over TSN performance in a highly integrated system concept Thomas Schaub, NetTimeLogic  
Highly integrated, low cost and small footprint solutions are the key for sensors/actors in a TSN network. The full capabilities of a TSN network can only be used when the data generation of the application is aligned with the TSN cycles and phases. We show the concept and what performance can be achieved with embedded soft-core CPU on an FPGA. A comparison of publishing with open62541 on different soft-cores implementations and an OPC UA PubSub Talker fully implemented in hardware shall give the audience an idea what can be achieved with the different approaches.
19:00 - 19:30
Testing TSN functionality in base silicon and modules to ensure compliance and interoperability Alon Regev, Keysight Technologies; Pekka Varis, Texas Instruments; Ganesh Venkatesan, Intel  
Avnu and other organizations published TSN test specs that test devices for compliance and interoperability, but how do silicon or module vendors validate that their devices meet the requirements? Similarly, how do designers of modules know that the underlying silicon or modules meet the requirements? The solution is a silicon/base silicon testing approach that is designed to certify the compliance of these devices with the TSN specifications. In this presentation we will present base/silicon test specifications for compliance with the TSN specifications.
17:30 - 19:30
Session 3 Wireless
17:30 - 18:00
Wireless TSN: Exploring market expectations, technologies, certification, and interoperability Dr. Dave Cavalcanti, Intel  
As the latest developments in Wi-Fi and 5G enable the extension of TSN capabilities over wireless, meeting performance expectations and achieving interoperability with Ethernet TSN are key to successful market adoption of Wireless TSN (WTSN). This session will provide an overview of market expectations and use-cases, performance metrics and TSN requirements across several segments, from Industrial IoT to ProAV and enterprise applications. It will discuss industry activities towards certification and testing of Wi-Fi and 5G-based TSN capabilities, and TSN interoperability.The session will wrap with a roadmap of interoperability testing and certification specifications being developed within the Avnu Alliance.
18:00 - 18:30
Adapting wired TSN test specifications to testing of Wireless TSN devices Alon Regev, Keysight Technologies  
As Wireless TSN products emerge on both 5G and WiFi, there is a lack of any standardized testing for such wireless TSN devices. This paper analyzes how wireline test specifications from organizations such as Avnu can be adopted to enable testing of wireless TSN devices. At a high level, a majority of of the test cases can be used without modification. There are about 20% that either need to be modified or do not apply. There are also a additional test cases that should be added to cover wireless specifics. The presentation will categorize the changes needed and provide examples.
18:30 - 19:00
End-to-End Time-Performance in heterogeneous TSN environments Susruth Sudhakaran, Intel; Christopher Hall, Intel  
This session will discuss use cases, requirements, network architecture and end-to-end performance measurements over Ethernet, Wi-Fi, and 5G. We will describe a unified approach based on TSN standards and present performance measurements with emphasis on time sync, latency and dependability.
19:00 - 19:30
Verifiable wired-wireless time-sensitive networking Prof. Jeroen Hoebeke, imec - IDLab - UGent  
Time-Sensitive Networking can meet the demanding requirements of applications in industry automation, connected vehicles and professional audio/video communication. But so far, its usage is restricted to wired networks only. 5G URLLC strives to fill in this gap, but also Wi-Fi is an interesting candidate. In this talk, we will discuss how we made our open source Wi-Fi implementation interoperable with wired TSN networks, achieving microseconds time-synchronisation accuracy and milliseconds end-to-end latency. On top, we designed new strategies to perform real-time and fine-grained verification of the end-to-end network performance and create tighter interactions between the applications and the network.
19:30 - 20:30
Workshop Session Workshop Session
19:30 - 20:30
Workshop Session

Day 2 - Thursday, 30. September 2021

Parallel Sessions

15:00 - 17:30
Session 4 Industrial
15:00 - 15:30
OPC UA FX over TSN: Extending OPC UA with determinism for the field level Dr. René Hummen, Hirschmann Automation and Control; Peter Lutz, OPC Foundation  
The Field Level Communications (FLC) Initiative of the OPC Foundation extends OPC UA to support additional use cases in factory and process automation at the field level. For deterministic communication, OPC UA FX (Field eXchange) will include support of TSN based on IEC/IEEE 60802. This advances vendor-independent, end-to-end communication interoperability based on a common framework that fully scales from field to cloud. This presentation provides an overview of the technical approach for OPC UA FX over TSN in converged industrial networks. In particular, the key concepts of the solution are explained, such as the overall workflow and expected device capabilities.
15:30 - 16:00
Converged Security for Industrial Automation Dr. Oliver Pfaff, Siemens  
TSN is a key enabler for IT/OT convergence and will facilitate use cases beyond actual automation operations. This will result in a largely increased attack surface for industrial automation (IA) systems. This risk can be managed by employing security based on cryptographic mechanisms. A specific paradigm called ‘converged security’ is needed to deliver industrial automation security in a manner that is efficient and that meets the needs of industrial automation systems: • Accommodation of demands that are specific for industrial automation • Protection of TSN-IA-specific resources • Co-existence with middleware/application-specific security This presentation elaborates on converged security for industrial automation.
16:00 - 16:30
Experiments on IEEE 802.3cg 10BASE-T1L & Preemption in Process/Industrial Automation Catherine Redmond, Analog Devices  
Process automation systems are used to control a process such as chemical, steel, oil refineries, petrochemical, paper, or pulp factories. Such systems consist of many individual stations, producing traffic of varying priorities and are spread over a large geographical area. In the presence of so many traffic sources, congestion is inevitable. IEEE Std 802.3cg defines 10BASE-T1L to directly address the distances involved in process automation systems while preemption provides a means to address congestion by giving high priority traffic
16:30 - 17:00
The difference between TSN and TSN Lukas Wüsteney, Hirschmann Automation and Control; Alen Mehmedagic, Schneider Electric  
TSN is a toolbox of IEEE mechanisms and protocols that can be combined with each other and other existing IEEE Ethernet features to address a very diverse range of application needs. The IEC/IEEE 60802 TSN Profile for Industrial Automation aims to select those features that are relevant for industrial automation use cases. We extensively evaluated the most important TSN Quality of Service mechanisms under consideration in IEC/IEEE 60802 via elaborate lab testing. In this presentation, we discuss some of the key insights resulting from our measurements of network behavior based on different end station capabilities and network configurations.
17:00 - 17:30
BREAK
15:00 - 17:30
Session 5 In-vehicle
15:00 - 15:30
TSN Profile for Aerospace Dr. Abdul Jabbar, GE Research  
Aerospace networks are responsible for mission and safety critical communications on various platforms including commercial and military aircraft, unmanned aerial systems (UAS), and Satellites. These use cases require highly reliable and deterministic communications that are currently supported with Ethernet and non-Ethernet solutions, some of which face the issue of obsolescence. Time Sensitive Networking (TSN) provides an open standards based, high-performance, and evolvable solution for converged aerospace networks. A TSN profile is required to enable an interoperable and cost-effective industry standard. This paper introduces such a profiling effort being undertaken by the joint IEEE and SAE working group.
15:30 - 16:00
Using TSN for digitalization of Train Control and Monitoring Systems in the SAFE4RAIL project Mohammed Abuteir, TTTech  
The Train Control and Monitoring System, also known as TCMS, is composed of multiple communication buses, multiple subsystem-specific control units and safety train lines. The current Train TCMS still do not meet the requirements for future train digitalization. The SAFE4RAIL-3 and CONNECTA-3 projects lead towards the next-generation TCMS, to digitally transfer all control parameters of the TCMS subsystems over an electronic network, by defining a renewed train network topology, safe network inauguration process, and introducing TSN. This reduces devices and cabling while increasing the overall safety and reliability of train networks
16:00 - 16:30
Demonstration of Ethernet based redundancy for Autonomous drive applications Lulu Chan, NXP Semiconductors  
Redundancy is one of the key elements needed for realizing safety goals in autonomous drive applications. From a data communication perspective, one of the key redundancy related feature is to provide path redundancy. The IEEE 802.1CB FRER (Frame replication and Elimination for Reliability) standard provides the TSN tool for this. In this presentation we will showcase a distributed autonomous drive application, where simulated sensors and actuators communicate over a redundant physical network with a central compute unit running the drive application. We show the impact of using FRER and diagnostic features for such an application and network combination
16:30 - 17:00
Demystifying frame preemption use cases for in-vehicle networks Razvan Petre, Spirent  
Frame preemption adoption for in-vehicle networks is a controversial topic. The critics argue that it is expensive for the silicon and device manufactures and that it disturbs the other schedulers in the network. Nevertheless, by carefully selecting the type of traffic that is considered express, frame preemption could be a cost effective solution for collision avoidance system and emergency systems in general. This presentation will highlight several use cases where frame preemption could play a critical role in preventing or reducing the severity of a collision, while in the same time addressing the fears of high costs and interference.
17:00 - 17:30
BREAK
17:30 - 20:30
Session 6 Closing Session (Generic)
17:30 - 18:00
Best practices for configuring Time Aware Shaper over multiple hops Razvan Petre, Spirent  
Time Aware Shaper (802.1Qbv-2015) was designed to allow for the lowest possible latency for time critical streams. This is achieved by allocating dedicated time slots to scheduled traffic. When configured properly, an ethernet frame can traverse multiple Qbv enabled bridges with no waiting time in the queues. But achieving the theoretical zero waiting time is easier said than done. This presentation will highlight several solutions to overcome the challenges network architects face when configuring scheduled traffic over multiple hops. The presented solutions are compared in terms of configuration complexity, amount of unused bandwidth and end-to-end latency performance.
18:00 - 18:30
Dynamic reconfiguration of centrally managed TSN networks Georg Stöger, TTTech Industrial  
Applications utilizing the time-aware shaper (802.1Qbv) mechanism to achieve guarantees for communication latency or bandwidth depend on properly configured TSN network switches. For some applications, this configuration – which can affect multiple network switches per stream, for multiple streams in the network – may need to be changed or extended during system runtime, implying rescheduling and distribution of updated configuration data. In this presentation, we discuss the technical concept and use cases for this dynamic reconfiguration capability of 802.1Qbv/802.1Qcc capable switches and our experiences with a software library developed to provide this capability for higher-level network management tools.
18:30 - 19:00
Attack Resilience for Time-Sensitive Networking & Applications Manoj Sastry, Intel; Christopher Gutierrez, Intel  
This session will explore the new attack surfaces introduced by TSN-capable systems and its impact on safety of industrial and other time-sensitive applications. Experimental attacks targeted at time synchronization (802.1AS-2020) and scheduled traffic performance (802.1Qbv) across both wired and wireless TSN deployments, will be demonstrated. The presentation will also cover the broader dependability challenges for time-sensitive distributed applications and propose new directions to address resilience for time and QoS performance that are critical for TSN-enabled systems.
19:00 - 19:40
Diffusion of TSN across Markets and Ecosystems: Where We Are and a Roadmap Forward Tom Weingartner, Analog Devices; Guenter Steindl, Siemens; Henning Kaltheuner, d&b audiotechnik; Greg Schlechter, Intel  
TSN is at a relatively early stage of adoption in most verticals. The technology’s evolution over the next few years will determine whether it can successfully “diffuse” across value chains and vertical industries. This session analyzes TSN’s position on the adoption curve across networking ecosystems, describes challenges for the next stages of adoption, and presents a roadmap for accelerating the diffusion of TSN into converged wireless and wired networks supporting diverse vertical markets . Multiple presenters will offer views on different parts of the TSN ecosystem. This presentation is intended to expand upon the One TSN concept laid out in last year’s TSN/A closing presentation, updating the audience on further developments and recommendations.
19:40 - 19:50
Closing remarks
19:50 - 20:30
Virtual Hallway - Open Discussion

feel free to contact me

 Juliane Heger, WEKA FACHMEDIEN GmbH

Juliane Heger
Senior Veranstaltungsreferentin
WEKA FACHMEDIEN GmbH

Phone: +49 89 25556 1155

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