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  • INCUS: A Communication Protocol for Safety Critical Distributed Real Time Systems

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    Author
    Chen, David
    Hexel, Rene
    Raja, Fawad
    Year published
    2014
    Metadata
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    Abstract
    Safety-critical, distributed real-time systems, such as avionics, automotive or factory automation and control systems, and the like, require efficient communication mechanism between their nodes in order to deliver information within defined time frames. Protocols that follow the time-triggered architecture paradigm guarantee timeliness under a given fault and load hypothesis through the use of a stringent, equivalently-spaced time division multiple access (TDMA) scheme. This, however, comes at the cost of poor channel and bandwidth utilisation in real-world scenarios where functionality and transmission requirements often differ considerably between nodes. Here, we propose a new approach and protocol, INCUS, that allows the slot length of nodes to be configured in accordance with their payload requirements. We show the feasibility of our approach while retaining the level of reliability required for safety-critical real- time systems. Our analysis shows an almost twofold improvement in efficiency in a typical automotive, brake by wire scenario.
    Conference Title
    Proceedings of 20th Asia-Pacific Conference on Communications
    DOI
    https://doi.org/10.1109/APCC.2014.7091653
    Copyright Statement
    © 2014 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.
    Subject
    Software Engineering
    Networking and Communications
    Publication URI
    http://hdl.handle.net/10072/84560
    Collection
    • Conference outputs

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