Service Availability Evaluation for a Protection Model in Hybrid Cloud Computing Architecture

被引：0

作者：

Wazzan, Majda ^{[1
]}

Fayoumi, Ayman ^{[2
]}

机构：

[1] King Abdulaziz Univ, Dept Comp Sci, Jeddah 21413, Saudi Arabia

[2] King Abdulaziz Univ, Dept Informat Syst, Jeddah, Saudi Arabia

来源：

2012 INTERNATIONAL SYMPOSIUM ON TELECOMMUNICATION TECHNOLOGIES (ISTT) | 2012年

关键词：

Cloud computing; discrete event simulation; Markov model; protection model;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Cloud computing service providers are obligated to draw up service level agreements (SLAs) with their customers to guarantee the quality of the service. One of the important characteristics of SLAs is service availability. Five nines (99.999s%) availability and 24/7 operation concepts have become common and essential components of high-performance systems and SLAs. To achieve this service protection models may be used in cloud computing to ensure a high level of service availability. This paper studies and evaluates the availability of a one to one (1: 1) service protection model in hybrid cloud computing architecture. Markov model was developed to determine the availability of the service protection model and discrete event simulation was developed to verify the findings. The results showed that adding the protection service improved the system's availability. The simulator results proved the correction of the analytical model.

引用

页码：307 / 312

页数：6

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