The paper presents analysis and comparison of Quality of Service (QoS) mechanisms in SpaceFibre draft H4 and in RapidIO rev 4.0. SpaceFibre and RapidIO standards are currently used in aerospace instrumentation field. SpaceFibre standard is developed by ESA, JAXA, NASA, ROSCOSMOS agencies for aerospace industry in accordance to different requirements and limitations such as a high speed data transmission, a low data transmission time, a guaranteed packet delivery, a guaranteed throughput, a possibility to establish real-time systems in conjunction with compact VLSI design and low energy consumption. RapidIO standard is developed for a high performance computing systems with a globally shared distributed memory (GSM) model. At the present time NASA applies this standard as a main standard for aerospace field. These standards provide data transmission with different QoS. In these standards there is a feature of guaranteed packet delivery, they support several priority levels. Also they provide a mechanism of virtual channels allowing to distribute throughput between different data streams. In this paper authors have presented the information about comparison QoS mechanisms of SpaceFibre draft H4 and RapidIO rev 4.0. Moreover similarities and differences of supported technologies are demonstrated. Also author have evaluated the reachable characteristics of data transmission and overheads for each standard. Advantages and effective range of application of SpaceFibre QoS are shown.


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    Title :

    QoS mechanisms in SpaceFibre and RapidIO: SpaceWire networks and protocols, long paper


    Contributors:


    Publication date :

    2016-10-01


    Size :

    410824 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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