多核技术——工业应用安全关键系统的下一个发展步骤?

F. Reichenbach, Alexander Wold
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引用次数: 21

摘要

多核技术可以为提高嵌入式系统的安全性提供宝贵的好处。例子包括引入系统冗余的多核架构、允许高软件多样性的非对称多处理,以及降低系统复杂性的超级监控程序。这些好处能被认为是理所当然的,而不考虑随之而来的缺点和影响吗?向基于多核架构的迁移已经在进行中。迟早,我们会被迫发现并解决与安全相关的应用问题。本文试图在更广泛的层面上评价多核对安全关键系统的价值。
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Multi-core Technology -- Next Evolution Step in Safety Critical Systems for Industrial Applications?
Multi-core technology can provide valuable benefits for improving safety critical embedded systems. Examples range from multiple core architectures, introducing system redundancy, asymmetric multiprocessing allowing high software diversity, to hyper visors reducing system complexity. Can these benefits be taken for granted without considering the drawbacks and effects that come with them? The move to multi-core based architectures is already underway. Sooner, rather than later, we are forced to discover and resolve its issues for safety related applications. This paper is an attempt to evaluate the value of multi-core for safety critical systems on a broader level.
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