软件和系统工程.生产线需求工程的工具和方法

[中文适用范围]： 在软件和系统产品线工具与方法的需求工程领域：——提供适用于软件和系统产品线及其相关成员产品的特定术语和定义；——定义执行产品线需求工程的过程组及其过程（这些过程通过目的、输入、任务和结果来描述）；——定义支持每个过程中所定义任务的方法能力；——定义自动化/半自动化任务或所定义方法能力的工具能力。此国际标准涉及一个产品系列中的过程和功能，而不是单个系统。此国际标准不适用于物理工件。相反，系统级工件和软件开发生命周期工件（如需求文档、架构数据、验证计划、行为模型等）是使用本国际标准中的方法和工具产生的。 在处理一个系统的软件组件时，可以应用两次：一次用于处理产品线的系统元素，如果存在软件元素，则第二次用于处理软件元素。 产品线过程在不同层次的产品中是递归的。注 本国际标准中的要求适用于系统、软件或服务系列。 [外文原描述]： ISO/IEC 26551:2016, within the context of tools and methods of requirements engineering for software and systems product lines: - provides the terms and definitions specific to requirements engineering for software and systems product lines and associated member products; - defines process groups and their processes performed during product line requirements engineering (those processes are described in terms of purpose, inputs, tasks, and outcomes); - defines method capabilities to support the defined tasks of each process; - defines tool capabilities to automate/semi-automate tasks or defined method capabilities. ISO/IEC 26551:2016 concerns processes and capabilities of requirements tools and methods for a family of products, not for a single system. This International Standard is not applicable to physical artefacts. Instead, system-level artefacts and software lifecycle artefacts such as requirements documents, architectural data, validation plans, behavioural models, etc. are produced using methods and tools in this International Standard. In the case of the software components of a system, this International Standard can apply twice: once to handle the system elements of the product line and a second time to handle the software elements of the product line, if any. The product line processes are recursive within the different levels of products. NOTE The requirements in this International Standard apply to the family of systems, software or services.