The Separate Virtual Network Reset mechanism for SpaceFibre Standard

2020 Wave Electronics and its Application in Information and Telecommunication Systems (WECONF) Pub Date : 2020-06-01 DOI:10.1109/WECONF48837.2020.9131440

Y. Sheynin, E. Suvorova

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Abstract

The SpaceFibre standard is developed for local networks on board spacecraft. This standard specifies guaranteed Quality of Service (QoS) support based on Virtual Networks (VN) mechanism. The resources of physical network are used by VNs in time division mode. The independent data transmission by VNs is supported during regular network operation. Every VN may use physical network resources correspondingly its QoS parameters. However, fault may occur in any of Virtual Networks and data transmission by this network is impossible due to this fault. The SpaceFibre standard does not support reset of individual VN. The reset of complete network (all VN) is possible. But the reset procedure required a long time. The data transmission during this time is impossible. This may be not acceptable for Hard Real Time systems. In this article, we propose the Reset of separate Virtual Network mechanism. This mechanism provides possibility of regular data transmission with QoS support by others Virtual Networks when one Virtual Network in Reset state.

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空间光纤标准的独立虚拟网络复位机制

SpaceFibre标准是为航天器上的本地网络开发的。该标准规定了基于虚拟网络(VN)机制的有保证的服务质量(QoS)支持。物理网络的资源以分时方式分配给vpn使用。在网络正常运行时，支持vpn独立传输数据。每个虚拟网络都可以使用相应的物理网络资源。但是，任何一个虚拟网络都可能出现故障，导致该网络无法正常传输数据。SpaceFibre标准不支持单个VN的重置。复位整个网络(所有VN)是可能的。但是重置过程需要很长时间。在此期间数据传输是不可能的。这对于硬实时系统可能是不可接受的。在本文中，我们提出了单独的虚拟网络重置机制。当一个虚拟网络处于Reset状态时，该机制提供了其他虚拟网络正常传输数据并提供QoS支持的可能性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2020 Wave Electronics and its Application in Information and Telecommunication Systems (WECONF)

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