A Framework for the Dynamic Composition and Reconfiguration of Qos-Aware Next Generation Software Systems

在大型的、动态的、高度分布的、松耦合的、基于组件的系统中，有必要使用一个框架来进行软件系统的组合和动态重新配置，以支持功能和性能需求的演变以及环境变化（例如，网络、硬件和软件故障）。提出了将这些环境中的软件系统由自治组件组成的方法。所有组件必须具有与所有组件相同的若干功能（例如，QoS协商、注册、QoS监控等）。使组件独一无二的是它提供的一组服务。基于qos的方法，提出了分布式软件系统的组合和重构。我们的方法使用组件级的资源保留机制来保证软件系统级的QoS需求。

EIA-0203872 Daniel Menasce George Mason University A Framework for the Dynamic Composition and Reconfiguration of QoS-Aware Next Generation Software SystemsIn large, dynamic, highly distributed, loosely coupled, component-based systems, it is necessary to use a framework for software system composition and dynamic reconfiguration that can support the evolution of functional and performance requirements as well environmental changes (e.g., network, hardware and software failures). The proposed method by which software systems in these environments are composed of autonomous components. All components must have several capabilities (e.g., QoS negotiation, registration, QoS monitoring, etc) that are identical to all components. What makes a component unique is the set of services it provides. QoS-based approach , proposed to distribute software system composition and reconfiguration. Our method uses resource reservation mechanisms at the component level to guarantee QoS requirements at the software system level.