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Self-Reconfiguration of Service-Based System for Service Level Agreements and Resource Optimization

机译：基于服务的系统的自我重新配置，以实现服务水平协议和资源优化

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摘要

The configuration of a service-based system has a significant impact on the non-functional requirements of the system as a whole. However, finding the best configuration is very challenging and sometimes impossible for administrators because so many factors have to be considered. More importantly, a service-based system has to be frequently reconfigured to adapt to rapid and continuous changes in user requirements and runtime environments. In this paper we propose an autonomic computing approach to the problem of reconfiguration, that is, enabling the service-based system to configure itself by means of a loop ofmonitoring, analyzing, planning and executing. We begin by formalizing the definition of reconfiguration. Then, we describe how to implement the autonomic computing mechanisms for reconfiguring service-based systems to satisfy Service Level Agreements with minimal resource consumption. The approach is demonstrated on a resilient service provisioning environment. Finally, the preliminary experiments are evaluated to determine the effectiveness of proposed approach.
机译：基于服务的系统的配置对整个系统的非功能性需求具有重大影响。但是，找到最佳配置非常具有挑战性，对于管理员来说有时是不可能的，因为必须考虑许多因素。更重要的是，必须频繁地重新配置基于服务的系统，以适应用户需求和运行时环境的快速连续变化。在本文中，我们提出了一种针对重配置问题的自主计算方法，即，使基于服务的系统能够通过监视，分析，规划和执行循环来进行自我配置。我们从形式化重新配置的定义开始。然后，我们描述如何实现用于重新配置基于服务的系统的自主计算机制，以最小的资源消耗来满足服务级别协议。该方法在弹性服务提供环境中得到了证明。最后，对初步实验进行评估，以确定所提出方法的有效性。

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