Towards a Flexible Time-Triggered replicated star for ethernet

David Gessner, J. Proenza, M. Barranco, L. Almeida
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引用次数: 20

Abstract

Distributed embedded systems have traditionally been designed using static approaches, i.e., assuming a static environment. Such approaches, however, cannot guarantee continuous operation under dynamic environments that impose new requirements upon a system as time passes. As a solution, flexible approaches have been proposed. One such approach that allows a system to adapt to changing real-time requirements is the Flexible Time-Triggered (FTT) communication paradigm. Nevertheless, if continuous operation under dynamic environments is desired, then flexibility is not enough. Indeed, it is also crucial for the system to be sufficiently reliable. In this paper we therefore explore some design ideas to make FTT highly reliable through fault tolerance by using replication. As a starting point we will use the switch of the Hard Real-Time Ethernet Switching (HaRTES) implementation of FTT.
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面向以太网的灵活时间触发复制星
分布式嵌入式系统传统上是使用静态方法设计的,即假设一个静态环境。然而,这种方法不能保证在动态环境下持续运行,因为随着时间的推移,系统会受到新的要求。作为解决方案,提出了灵活的方法。允许系统适应不断变化的实时需求的一种方法是灵活时间触发(FTT)通信范例。然而,如果需要在动态环境下连续运行,那么灵活性是不够的。事实上,系统足够可靠也是至关重要的。因此,在本文中,我们探索了一些设计思想,通过使用复制来容错,使FTT具有高可靠性。作为起点,我们将使用硬实时以太网交换(HaRTES)实现FTT的交换机。
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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