Dynamic Deterministic Digital Infrastructure for Time-Sensitive Applications in Factory Floors

Bigo, S.; Benzaoui, Nihel; Christodoulopoulos, K.; Miller, Ray; Lautenschlaeger, Wolfram; Frick, Florian

doi:10.1109/jstqe.2021.3093281

Cited by 13 publications

(10 citation statements)

References 28 publications

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“…For the upcoming transformation in the context of Industry 4.0, many applications need end-to-end communications with hard-bounded guarantees for latency and reliability, as shown in Table II [4]. We call the data flows from those applications with bounded low latency and jitters as time-sensitive flows.…”

Section: A Combinability Problem Of Time-sensitive Flowsmentioning

confidence: 99%

“…Time Sensitive Network (TSN) is a promising technology that guarantees high real-time latency requirements for edge enabled IIoT [1], [3]. As an enhancement to Ethernet, TSN has recently attracted many researchers to explore its applications, for the purpose of assuring bounded low latency and jitters for time-sensitive flows and providing services for best-effort traffics [4]. Moreover, that TSN can help accelerating the revolution of IIoT to next generation operational efficiency and computing connectivity has reached a consensus.…”

mentioning

confidence: 99%

“…IEEE TSN Task Group has defined a whole range of 802.1 sub-standards, which involve the clock synchronization, frame preemption, network management, and scheduled traffic enhancement [5]. In particular, IEEE 802.1Qbv Time Aware Shaper (TAS) has been known as a key technique to guarantee the deterministic low latency requirements via time-triggered communication that follows static schedules [4], [5].…”

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confidence: 99%

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An Intelligent Deterministic Scheduling Method for Ultralow Latency Communication in Edge Enabled Industrial Internet of Things

Yang

et al. 2023

IEEE Trans. Ind. Inf.

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Edge enabled Industrial Internet of Things (IIoT) platform is of great significance to accelerate the development of smart industry. However, with the dramatic increase in real-time IIoT applications, it is a great challenge to support fast response time, low latency, and efficient bandwidth utilization. To address this issue, Time Sensitive Network (TSN) is recently researched to realize low latency communication via deterministic scheduling. To the best of our knowledge, the combinability of multiple flows, which can significantly affect the scheduling performance, has never been systematically analyzed before. In this article, we first analyze the combinability problem. Then a non-collision theory based deterministic scheduling (NDS) method is proposed to achieve ultra-low latency communication for the time-sensitive flows. Moreover, to improve bandwidth utilization, a dynamic queue scheduling (DQS) method is presented for the best-effort flows. Experiment results demonstrate that NDS/DQS can well support deterministic ultra-low latency services and guarantee efficient bandwidth utilization.

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Section: A Combinability Problem Of Time-sensitive Flowsmentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

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An Intelligent Deterministic Scheduling Method for Ultralow Latency Communication in Edge Enabled Industrial Internet of Things

Yang

et al. 2023

IEEE Trans. Ind. Inf.

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“…At the same time, this densification will aid in integrating fixed and wireless networks, leading to a major network transformation through which the network will be able to concretely support the demands of both wireless-based and wired-based services. Regarding latency, the F6G infrastructure is expected to advance significantly compared with F5G in order to support services with very low latency requirements, especially those of the industrial sector, which can be down at the order of some tens of µs [10][11][12][13]. In order to attain all these very strict requirements, there is a strong need for network/service providers to upgrade their current network infrastructure both at the component and network levels, as well as to make their network fully automated in order to perform fast and accurate decisions at a µs timescale.…”

Section: The Indispensable Network Transformation In Order To Realize...mentioning

confidence: 99%

A Vision of 6th Generation of Fixed Networks (F6G): Challenges and Proposed Directions

Uzunidis,

Moschopoulos,

Papapavlou

et al. 2023

Telecom

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Humankind has entered a new era wherein a main characteristic is the convergence of various technologies providing services and exerting a major impact upon all aspects of human activity, be it social interactions with the natural environment. Fixed networks are about to play a major role in this convergence, since they form, along with mobile networks, the backbone that provides access to a broad gamut of services, accessible from any point of the globe. It is for this reason that we introduce a forward-looking approach for fixed networks, particularly focused on Fixed 6th Generation (F6G) networks. First, we adopt a novel classification scheme for the main F6G services, comprising six categories. This classification is based on the key service requirements, namely latency, capacity, and connectivity. F6G networks differ from those of previous generations (F1G–F5G) in that they concurrently support multiple key requirements. We then propose concrete steps towards transforming the main elements of fixed networks, such as optical transceivers, optical switches, etc., such that they satisfy the new F6G service requirements. Our study categorizes the main networking paradigm of optical switching into two categories, namely ultra-fast and ultra-high capacity switching, tailored to different service categories. With regard to the transceiver physical layer, we propose (a) the use of all-optical processing to mitigate performance barriers of analog-to-digital and digital-to-analog converters (ADC/DAC) and (b) the exploitation of optical multi-band transmission, space division-multiplexing, and the adoption of more efficient modulation formats.

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“…This is the case, for example, of distributed factory floors, where a single application is responsible for controlling production lines placed in different premises, and augmented reality applications, where the image processing is moved from the user device to a data centre. In such scenarios, optical transport networks, with their high bandwidth and by-design deterministic capabilities [4], appear as a promising solution to interconnect TSN domains. However, a proper E2E control and orchestration environment is needed.…”

Section: Introductionmentioning

confidence: 99%

Control and Orchestration Solutions for End-to-End Time Sensitive Services in Future 6G Networks

Spadaro

Agraz

Pages

2023

2023 23rd International Conference on Transparent Optical Networks (ICTON)

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The provisioning of time sensitive end-to-end services in future 6G networks imposes multiple technical challenges, spanning from the data plane to the control and orchestration planes. In particular, the automation of the provisioning and maintenance of connectivity services with deterministic constraints over multiple technology/administrative domains requires control and orchestration solutions able to assure the strict time service requirements. In line with that, the paper investigates some requirements imposed to the control and orchestration planes and it also shows potential enabling architectures for end-to-end service guarantees.

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Dynamic Deterministic Digital Infrastructure for Time-Sensitive Applications in Factory Floors

Cited by 13 publications

References 28 publications

An Intelligent Deterministic Scheduling Method for Ultralow Latency Communication in Edge Enabled Industrial Internet of Things

An Intelligent Deterministic Scheduling Method for Ultralow Latency Communication in Edge Enabled Industrial Internet of Things

A Vision of 6th Generation of Fixed Networks (F6G): Challenges and Proposed Directions

Control and Orchestration Solutions for End-to-End Time Sensitive Services in Future 6G Networks

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