云服务水平协议-问题和发展

I. Odun-Ayo, Olasupo O. Ajayi, N. Omoregbe
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引用次数: 6

摘要

云计算是一个广泛的范例,对人类活动的主要领域都有影响。它提供的独特服务使组织对了解云及其可能带来的好处感到好奇。云提供了一些服务,比如部署在远程系统上的定制应用程序,以及随时可以使用的平台,这些平台减少了为云用户开发和部署应用程序所需的工作量。除此之外,云还为其用户提供存储和基础设施资源等其他服务。这些服务通常以按使用付费的方式提供给用户,因此需要有书面协议,以确保提供者和用户之间的关系顺利。这些文档化的协议称为服务水平协议(sla)。sla详细说明了用户在可用性、冗余、正常运行时间、成本和违规处罚方面对服务提供商的条款、条件和服务期望。这确保了用户对所提供服务的信心。在本文中,介绍了云sla方面的最新进展。本文试图回答与云SLA的当前趋势和发展有关的问题,并通过对现有文献的回顾来回答这些问题。因此,本文对云sla、它们的问题和发展挑战进行了调查。它为未来的研究提供了指导,并有望使潜在的云用户和云提供商受益。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Cloud Service Level Agreements – Issues and Development
Cloud computing is a broad paradigm that has influence across major fields of human endeavour. The unique services it offers makes organisations curious about understanding the cloud and its likely benefits. The cloud offers services such as custom built applications deployed on remote systems and ready to use platforms which reduce the efforts needed to develop and deploy applications for cloud users. In addition to these, there are other services such as storage and infrastructural resources which the cloud also avails to its users. These services are usually provided to users on a pay-per-use bases, thus necessitating the need to have documented agreements in place to ensure a smooth relationship between the providers and the users. These documented agreements are referred to as Service Level Agreements (SLAs). SLAs detail the terms, conditions and service expectation of the users from their service provider in terms of availability, redundancy, uptime, cost and penalties for violations. These ensures users' confidence in the services being offered. In this paper, the state of the art with respect to cloud SLAs is presented. The paper seeks to answer questions related of what the current trends and developments in terms of cloud SLA are and it does so by means of a review of existing literature available. This paper therefore is a survey of cloud SLAs, their issues and developmental challenges. It provides a guide for future research and is expected to benefit prospective cloud users and cloud providers alike.
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