Experimental Software Systems: Adaptware: A Design Framework for Adaptive Real-Time Systems

实验软件系统：Adaptware：自适应实时系统的设计框架

• 批准号: 9806280
• 负责人: Kang Shin
• 金额: $ 38万
• 依托单位: Regents of the University of Michigan - Ann Arbor
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1998
• 资助国家: 美国
• 起止时间: 1998-09-01 至 2002-12-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9806280&HistoricalAwards=false
• 关键词: Experimental; Software; Systems; Adaptware; Design

9806280Shin, Kang G.Jahanian, FarnamThe University of Michigan at Ann Arbor Experimental Software Systems: ADAPTWARE: A Design Framework for Adaptive Real-Time SystemsThis project is to design, implement, and evaluate a software framework, called the Adaptware, that consists of architectural support, resource-management mechanisms, and programming abstractions for adapting Quality-of-Service (QoS) to dynamically-fluctuating resource capacity and demands. This framework will reduce the cost and time of real-time software development by providing the infrastructure necessary for building reusable multi-purpose real-time software components. In much the same way as today's consumers can buy software and hardware components from different vendors and construct a computing environment tailored to their needs, this framework can provide the means of building and integrating real-time system components so as to preserve their temporal correctness while making it possible to dynamically compute predictable end-to-end temporal guarantees commensurate with available resources. We plan to demonstrate the benefits of our framework by building a testbed and executing representative applications on the testbed, drawn from both soft real-time systems such as multimedia, and hard real-time systems such as automated flight. Software development costs of these applications are expected to be reduced significantly by separating real-time application design from resource-capacity assumptions on the target platform, hence facilitating changes in platform capacity, configuration or load. This project is also to demonstrate how our abstraction of platform capacity (away from the programmer) can help build real-time systems that can tolerate a range of violations of their load and failure hypotheses by adapting application QoS dynamically to the resources available.

9806280 Shin，Kang G.Jahanian，FarnamThe University of Michigan at安阿伯实验软件系统：ADAPTWARE：自适应实时系统的设计框架本项目旨在设计、实现和评估一个软件框架，称为Adapware，它由体系结构支持、资源管理机制、以及用于使服务质量（QoS）适应于动态波动的资源容量和需求的编程抽象。 该框架将通过提供构建可重用的多用途实时软件组件所需的基础设施来降低实时软件开发的成本和时间。 与今天的消费者可以从不同的供应商购买软件和硬件组件并构建适合他们需求的计算环境的方式大致相同，该框架可以提供构建和集成实时系统组件的方法，以便保持其时间正确性，同时可以动态计算与可用资源相称的可预测的端到端时间保证。我们计划通过构建一个测试平台并在测试平台上执行代表性应用程序来展示我们框架的优势，这些应用程序来自软实时系统（如多媒体）和硬实时系统（如自动飞行）。 通过将实时应用程序设计与目标平台上的资源能力假设分开，从而促进平台能力、配置或负载的变化，预计这些应用程序的软件开发成本将大大降低。 这个项目也是为了证明我们的抽象平台的能力（远离程序员）可以帮助建立实时系统，可以容忍一系列的违反其负载和故障的假设，通过适应应用QoS动态的可用资源。