Formulating monitoring strategy based on multiple SLA parameters for multi-tenant service-based systems

IF 1 4区计算机科学 Q4 COMPUTER SCIENCE, INFORMATION SYSTEMS

International Journal of Web and Grid Services Pub Date : 2020-06-23 DOI:10.1504/ijwgs.2020.10030151

Qian Chen, Zhiwei Ni, Yanchun Wang, Zhangjun Wu, Xuejun Li

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引用次数: 0

Abstract

The widely used service-based systems (SBSs) are composed of individual services and delivered to multiple tenants. When runtime anomalies occurred, the violation rate of service level agreement (SLA) can increase remarkably. Therefore, service monitoring is crucial for meeting the tenant's quality of service (QoS) requirements. However, monitoring each service constantly wastes resources. In this paper, we propose a monitoring strategy based on multiple SLA parameters for multi-tenant SBSs (MMTS). The criticality of a service is evaluated to the importance of each service in a SBS based on QoS and tenants, tenants are ranked by multiple SLA parameters. Afterwards, monitoring benefit, resource cost, and system overload are weighed to formulate a cost-effective monitoring strategy. Finally, MMTS is evaluated with comprehensive experiments under multiple QoS dimensions and the results have shown that MMTS can outperform other six algorithms in the SLA violation rate and the cost-effectiveness of service monitoring.

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针对多租户服务系统，制定基于多个SLA参数的监控策略

广泛使用的基于服务的系统(service-based system, SBSs)由单个服务组成，并交付给多个租户。当运行异常发生时，SLA (service level agreement)的违约率会显著增加。因此，服务监控对于满足租户的服务质量(QoS)需求至关重要。但是，持续监控每个服务会浪费资源。在本文中，我们提出了一种基于多租户sbs (MMTS)的多个SLA参数的监控策略。服务的重要性是根据QoS和租户来评估SBS中每个服务的重要性，租户根据多个SLA参数进行排名。然后，权衡监控效益、资源成本和系统过载，制定成本效益高的监控策略。最后，通过多个QoS维度的综合实验对MMTS进行了评价，结果表明MMTS在SLA违规率和服务监控的成本效益方面优于其他6种算法。

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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来源期刊

International Journal of Web and Grid Services COMPUTER SCIENCE, INFORMATION SYSTEMS-COMPUTER SCIENCE, SOFTWARE ENGINEERING

CiteScore

2.40

自引率

20.00%

发文量

审稿时长

12 months

期刊介绍： Web services are providing declarative interfaces to services offered by systems on the Internet, including messaging protocols, standard interfaces, directory services, as well as security layers, for efficient/effective business application integration. Grid computing has emerged as a global platform to support organisations for coordinated sharing of distributed data, applications, and processes. It has also started to leverage web services to define standard interfaces for business services. IJWGS addresses web and grid service technology, emphasising issues of architecture, implementation, and standardisation.