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arXiv 1503.04422cs.DC
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在云中实现可用性即服务

Making Availability as a Service in the Clouds

Pengfei Chen, Yong Qi, Peipei Wang, Li Su, Xinyi Li

摘要:

云计算作为一种优秀的计算范式,以其灵活的管理和弹性的资源共享,在现代IT产业中取得了巨大的成功。迄今为止,云计算在我们的社会经济体系中占据了不可替代的地位,几乎影响了我们日常生活的方方面面。但是,云计算技术还处于起步阶段,存在很多问题,除了安全问题外,可用性也是一个亟待解决的问题,由于现有云平台提供的可用性机制能力有限,很难获得当前应用的详细可用性信息,如可用性问题的根源、平均故障时间、因此,基于深度可用性分析的新机制是必要的和有益的。遵循流行的术语“XaaS”,本文从“可用性即服务”的角度为云用户和提供商提出了一个新的双赢概念AaaS的目标是通过集成大量的数据驱动和模型驱动方法,为云用户提供全面的、针对性的运行时可用性分析服务。为了说明这一概念,我们实现了一个原型命名为'AaaS'的所有功能的'AnalleEye'。云用户通过在“云眼”中订阅相应的服务,可以获得其部署在云平台上的应用程序的具体可用性信息。我们设想这种新的服务将在不久的将来合并到云管理机制中。

英文摘要:

Cloud computing has achieved great success in modern IT industry as an excellent computing paradigm due to its flexible management and elastic resource sharing. To date, cloud computing takes an irrepalceable position in our socioeconomic system and influences almost every aspect of our daily life. However, it is still in its infancy, many problems still exist.Besides the hotly-debated security problem, availability is also an urgent issue.With the limited power of availability mechanisms provided in present cloud platform, we can hardly get detailed availability information of current applications such as the root causes of availability problem,mean time to failure, etc. Thus a new mechanism based on deep avaliability analysis is neccessary and benificial.Following the prevalent terminology 'XaaS',this paper proposes a new win-win concept for cloud users and providers in term of 'Availability as a Service' (abbreviated as 'AaaS').The aim of 'AaaS' is to provide comprehensive and aimspecific runtime avaliabilty analysis services for cloud users by integrating plent of data-driven and modeldriven approaches. To illustrate this concept, we realize a prototype named 'EagleEye' with all features of 'AaaS'. By subscribing corresponding services in 'EagleEye', cloud users could get specific availability information of their applications deployed in cloud platform. We envision this new kind of service will be merged into the cloud management mechanism in the near future.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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