Specification and Performance Indicators of AeroRing—A Multiple-Ring Ethernet Network for Avionics Embedded Systems

Amari, Ahmed; Mifdaoui, Ahlem

doi:10.3390/s18113871

Cited by 7 publications

(3 citation statements)

References 17 publications

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“…For instance, refs. [6,7] explored new topologies for Ethernet-based avionics networks with a focus on ring topologies. The authors compared the AFDX topology of the Airbus A380 with different versions of an equivalent Ethernet ring topology, some of which achieved better delays.…”

Section: Introductionmentioning

confidence: 99%

An Event-Driven Link-Level Simulator for the Validation of AFDX and Ethernet Avionics Networks

Vera-Soto,

Villegas,

Fortes

et al. 2024

Aerospace

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Aircraft are composed of many electronic systems: sensors, displays, navigation equipment, and communication elements. These elements require a reliable interconnection, which is a major challenge for communication networks since high reliability and predictability requirements must be verified for safe operation. In addition, their verification via hardware deployments is limited because these are costly and it is difficult to try different architectures and configurations, thus delaying design and development in this area. Therefore, verification at early stages in the design process is of great importance and must be supported with simulation. In this context, this work presents an event-driven link-level framework and simulator for the validation of avionics networks. The tool presented supports communication protocols commonly used in avionics, such as Avionics Full-Duplex Switched Ethernet (AFDX), as well as Ethernet, which is used with static routing. Also, the simulator provides accurate results by employing realistic models for various devices. The proposed platform was evaluated in the Clean Sky’s Disruptive Cockpit for Large Passenger Aircraft architecture scenario, showing the capabilities of the simulator. Verification speed is a key factor in its application, so the computational cost was analyzed, proving that the execution time is linearly dependent on the number of messages sent and that the increase in the number of nodes has few quadratic components.

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Section: Introductionmentioning

confidence: 99%

An Event-Driven Link-Level Simulator for the Validation of AFDX and Ethernet Avionics Networks

Vera-Soto,

Villegas,

Fortes

et al. 2024

Aerospace

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“…For the ring topology, Mohsen Jahanshahi and Fathollah Bistouni [ 6 ] proposed two ring redundancy topology architectures to enhance the reliability of the network. Ahmed Amari and Ahlem Mifdaoui [ 21 ] proposed duplicated mono-ring and multiple-ring topologies, which increase the reliability of the network. As far as we know, no researcher has designed redundancy for the tree topology to improve network reliability.…”

Section: Introductionmentioning

confidence: 99%

Design and Reliability Analysis of a Novel Redundancy Topology Architecture

Liu

Gao

et al. 2022

Sensors

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Topology architecture has a decisive influence on network reliability. In this paper, we design a novel redundancy topology and analyze the structural robustness, the number of redundant paths between two terminal nodes, and the reliability of the proposed topology by using natural connectivity and time-independent and time-dependent terminal pair reliability, k-terminal reliability, and all-terminal reliability comprehensively and quantitatively, and we compare these measures of the proposed topology with AFDX in three scenarios. The evaluations show that in the structural robustness analysis, when no nodes are removed, the natural connectivity of the proposed topology with 10 nodes, 16 nodes, and 20 nodes is 77.8%, 26.95%, and 81.39% higher than that of AFDX, respectively. In the time-independent reliability analysis, when the link reliability is 0.9, terminal pair reliability of the proposed topology with 10 nodes, 16 nodes, and 20 nodes is 5.78%, 17.75%, and 34.65% higher than that of AFDX, respectively; k-terminal reliability is 10.04%, 31.97%, and 53.74% higher than that of AFDX, respectively; and all-terminal reliability is 29.36%, 74.37%, and 107.91% higher than that of AFDX, respectively. In the time-dependent reliability analysis, when the operating time is 8000 h, the terminal pair reliability of the proposed topology with 10 nodes, 16 nodes, and 20 nodes is 3.53%, 10.87%, and 21.08% higher than that of AFDX, respectively; the k-terminal reliability is 6.20%, 19.65%, and 32.58% higher than that of AFDX, respectively; and the all-terminal reliability is 18.25%, 45.04%, and 63.86% higher than that of AFDX, respectively. The proposed topology increases the redundant paths of data transmission. It ensures reliable data transmission and has high robustness and reliability. It provides a new idea for improving the reliability of industrial buses.

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“…To remedy the above problems, we have specified a new redundancy protocol, called QoS 2 -Aware Ring Redundancy Protocol (QoS-ARRP), with the following key advantages: (a) support of mixed-criticality traffic pattern, (b) low configuration effort and (c) low deployment costs. This redundancy protocol has been incorporated in AeroRing network [14], a multiple-ring Ethernet network for avionics.…”

Section: Introductionmentioning

confidence: 99%

QoS-Aware Ring Redundancy Protocol (QoS-ARRP) for High-Availability Ethernet Networks

Amari

Mifdaoui

2019

2019 15th IEEE International Workshop on Factory Communication Systems (WFCS)

Self Cite

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During the last decade, Ethernet's significance has increased in many embedded systems application areas, such as automotive, avionics and automation. However, guaranteeing the required availability level for such applications on Ethernet is still a hot research topic. In this specific area, we propose in this paper a new redundancy protocol for high availability Ethernet networks, called QoS-Aware Ring Redundancy Protocol (QoS-ARRP). First, the specifications of such a protocol are detailed, including the frame redundancy and filtering management, the auto-configuration mechanisms, as well as the maximum recovery time analysis. Second, the numerical results of the recovery time have shown the impact of the protocol parameters to tune and the trade-off between availability and scalability of the network. Moreover, we have benchmarked the state-of-the-art results on the recovery time against ours. A noticeable enhancement of the maximum recovery time with our proposal, thus of the availability level, has been highlighted.

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Specification and Performance Indicators of AeroRing—A Multiple-Ring Ethernet Network for Avionics Embedded Systems

Cited by 7 publications

References 17 publications

An Event-Driven Link-Level Simulator for the Validation of AFDX and Ethernet Avionics Networks

An Event-Driven Link-Level Simulator for the Validation of AFDX and Ethernet Avionics Networks

Design and Reliability Analysis of a Novel Redundancy Topology Architecture

QoS-Aware Ring Redundancy Protocol (QoS-ARRP) for High-Availability Ethernet Networks

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