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ATS redundant design in support of system mission sustainability

机译：ATS冗余设计可支持系统和任务的可持续性

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Today system reliability, availability, serviceability, and manageability (RASM) are becoming more crucial as computer based systems continue to increase in complexity and importance to our daily lives. Redundancy is a viable approach to improve the RASM attributes of a system. There are many forms of fault tolerant/redundant system architectures employed in both commercial and military /aerospace systems today. This paper provides an overview of the primary redundant system architectures in use and then compares the primary attributes of these systems. The authors then introduce an innovative hybrid system architecture called Dynamic Dual Redundancy (DDR) which preserves the reliability of its secondary, or redundant unit, via a novel repair/refresh process which returns the unit to its original level of reliability. The paper then provides quantitative examples of DDR benefits from a system availability/sustainability perspective. The authors then portray a state diagram of a typical DDR system as well as a description of a high-level reference system architecture which embodies the DDR paradigm while leveraging many benefits of FPGAs.
机译：如今，随着基于计算机的系统的复杂性和对我们日常生活的重要性不断提高，系统的可靠性，可用性，可维护性和可管理性（RASM）变得越来越重要。冗余是一种改善系统的RASM属性的可行方法。当今，在商业和军事/航空航天系统中都采用了多种形式的容错/冗余系统架构。本文概述了所使用的主要冗余系统架构，然后比较了这些系统的主要属性。然后，作者介绍了一种创新的混合系统体系结构，称为动态双冗余（DDR），它通过一种新颖的修复/刷新过程将其二级或冗余单元的可靠性恢复到原来的可靠性水平。然后，本文从系统可用性/可持续性的角度提供了DDR收益的定量示例。然后，作者描绘了典型DDR系统的状态图以及对高级参考系统体系结构的描述，该体系结构体现了DDR范例，同时利用了FPGA的许多优点。

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