面向失败的设计:数字生态系统的软件挑战

Ian Somerville
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引用次数: 6

摘要

在涉及许多不同参与者的动态计算生态系统中,自上而下的系统可靠性方法是行不通的。不可能采用自顶向下的方法来进行系统设计和实现,也不可能根据某些规范来验证结果系统。相反,我们必须假设系统的元素将在不可预测的时间变得不可用,并且一些元素可能不可靠。而不是设计系统来避免失败,我们必须重新定位我们的思维和设计系统,以便我们能够容忍失败,并从失败中恢复。在这次演讲中,我将讨论为失败而设计的挑战,并将介绍为失败恢复提供信息的责任建模的研究。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Design for failure: Software challenges of digital ecosystems
In dynamic computation ecosystems involving many different participants, a topdown approach to system dependability does not work. It is not possible to take a topdown approach to system design and implementation and to validate the resulting system against some specification. Rather, we have to assume that elements of the system will become unavailable at unpredictable times and that some elements may be unreliable. Instead of designing systems to avoid failure, we must re-orient our thinking and design systems so that we can tolerate failure and recover from failures when they occur. In this talk, I will discuss the challenges of designing for failure and will introduce research on responsibility modelling that provides information for failure recovery.
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