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Incorporating TSN/BLS in AFDX for Mixed-Criticality Applications: Model and Timing Analysis

Finzi, Anaïs and Mifdaoui, Ahlem and Frances, Fabrice and Lochin, Emmanuel Incorporating TSN/BLS in AFDX for Mixed-Criticality Applications: Model and Timing Analysis. (2018) In: 14th IEEE International Workshop on Factory Communication Systems, 13 June 2018 - 15 June 2018 (Imperia, Italy).

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Official URL: http://doi.org/10.1109/WFCS.2018.8402346


In this paper, we model and analyse the timing performance of an extended AFDX standard, incorporating the Burst Limiting Shaper (BLS) proposed by the Time Sensitive Networking group. The extended AFDX will enable the interconnection of different avionics domains with mixed-criticality levels, e.g., current AFDX traffic, Flight Control and In-Flight Entertainment. First, we present the model and the worst-case timing analysis, using the Network Calculus framework, of such an extended AFDX to infer real-time guarantees. Secondly, we conduct its performance evaluation on a representative AFDX configuration. Results show the tightness of the proposed model, with reference to simulation results. Moreover, they confirm the efficiency of incorporating the BLS in the AFDX standard to noticeably enhance the medium priority level delay bounds, while respecting the higher priority level constraints, in comparison with the current AFDX standard.

Item Type:Conference or Workshop Item (Paper)
Additional Information:Thanks to the IEEE (Institute of Electrical and Electronics Engineers). This paper is available at : https://ieeexplore.ieee.org/document/8402346 “© 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Audience (conference):International conference proceedings
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Institution:Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE)
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Deposited On:15 May 2018 13:57

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