NIMBUS: a tool for specification centered development

Proceedings. 11th IEEE International Requirements Engineering Conference, 2003. Pub Date : 2003-09-08 DOI:10.1109/ICRE.2003.1232780

M. Heimdahl, M. Whalen, J. Thompson

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引用次数: 15

Abstract

Assurance that a formal specification (system specification or software specification) possesses desired properties can be achieved through (1) manual inspections, (2) formal verification of the desired properties, or (3) simulation and testing of the specification. To achieve the high level of confidence in the correctness required in a safety-critical system, all three approaches must be used in concert. We have developed an specification language, called RSML/sup -e/, and an environment, called NIMBUS, which provides support for all these activities. The three V&V techniques fill complementary roles within the validation and verification process. Manual inspections and visualization provide the specification team, customers, and regulatory representatives the means to informally verify that the behavior described formally matches the desired "real world" behavior of the system. RSML/sup -e/ is a fully formal, synchronous, data-flow language. NIMBUS supports large-scale, distributed simulation of specifications through communications over Microsoft's distributed COM or OMG's CORBA.

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NIMBUS:一个以规范为中心的开发工具

保证正式的规范(系统规范或软件规范)拥有期望的属性可以通过(1)手工检查，(2)期望属性的正式验证，或(3)规范的模拟和测试来实现。为了在安全关键型系统中获得对正确性的高度信任，必须同时使用这三种方法。我们已经开发了一种规范语言(称为RSML/sup -e/)和一个环境(称为NIMBUS)，它为所有这些活动提供支持。这三种V&V技术在确认和验证过程中扮演互补的角色。手动检查和可视化为规范团队、客户和监管代表提供了非正式地验证所描述的行为是否与系统期望的“真实世界”行为相匹配的方法。RSML/sup -e/是一种完全正式的、同步的数据流语言。NIMBUS通过在微软的分布式COM或OMG的CORBA上的通信支持大规模的、分布式的规范模拟。

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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Proceedings. 11th IEEE International Requirements Engineering Conference, 2003.

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