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Availability modeling for multi-tier cloud environment

机译:多层云环境的可用性建模

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摘要

Performance modeling forms an essential process for evaluation of cloud quality. Cloud performance appraisal process and methods widely differ from that of other proven performance related methodologies being used for domains like computer networks, distributed computing and operations systems. Multi-tier Cloud is a scalable system in which many services or tiers can be constructed for all types of applications. The quality of service of a Multi-tier cloud environment is closely associated with several factors like dependability, availability, reliability, security, perform-ability and each of the performance entities directly or indirectly influences the overall functioning of the cloud. There are many models to evaluate cloud performance and quality, but these traditional models are not efficient enough and consider only certain primary parameters in their evaluation. In this paper, a high-level performance analysis model is proposed that can predict the availability of a Multi-tier cloud environment. As Multi-tier cloud deals with multiple services according to their application, the prediction of availability is essential one for performance modeling. The various prominent parameters that influence the performance of the cloud system are also considered in the proposed model. The proposed algorithm is experimentally verified by means of SHARPE tool.
机译:性能建模是评估云质量的基本过程。云性能评估过程和方法与用于计算机网络,分布式计算和操作系统等领域的其他与性能相关的成熟方法有很大不同。多层云是一个可扩展的系统,其中可以为所有类型的应用程序构建许多服务或层。多层云环境的服务质量与可靠性,可用性,可靠性,安全性,性能等多个因素密切相关,每个性能实体都直接或间接影响云的整体功能。有许多模型可以评估云性能和质量,但是这些传统模型效率不够,仅在评估中考虑某些主要参数。本文提出了一种高级性能分析模型,该模型可以预测多层云环境的可用性。由于多层云根据其应用处理多种服务,因此可用性预测对于性能建模至关重要。在提出的模型中还考虑了影响云系统性能的各种重要参数。该算法通过SHARPE工具进行了实验验证。

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