基於OpenStack動態負載平衡機制設計與實作

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基於OpenStack动态负载平衡机制设计与实作

The Design and Implementation of Dynamic Load Balancing Mechanisms based on OpenStack

吴丰名 , 硕士　　导师：陈世颖　　共同指导教授：陈弘明

繁体中文

动态负载平衡；模糊理论； OpenStack ； Docker ；云端服务； Dynamic Load Balance ； Fuzzy ； OpenStack ； Docker ； Cloud Service

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摘要 │ 参考文献 (61) │ 国际计量

摘要〈TOP〉

并列摘要〈TOP〉

Along with booming development in computer hardware and internet bandwidth, technologies related to cloud computing gets more popular, therefore, more and more big technology enterprises started to provide cloud services, which lead to simultaneous access of the cloud services in the cloud system by massive users, therefore, how to provide reliable and uninterrupted cloud service has become a big challenge in the operation and service aspects of the cloud service provider. Along with the development in cloud technologies, container technology has caught more and more people’s attention, container has now become lighter and virtualized, and its effectiveness gets closer to native one. Moreover, Docker has packaged on the container to make is easier to be operated, therefore, the deployment and environment issue of cloud service has been greatly simplified. To summarize, it was clear that presently, load balance was mostly used to solve the issue of access by massive users faced by cloud service, and load balance can enhance the stability and reliability of cloud service, consequently, cloud service can be expanded more flexibly and can have better fault tolerance. Therefore, in this paper, a dynamic load balance mechanism suitable for OpenStack cloud system was designed, meanwhile, fuzzy theory was used to achieve dynamic load balance so that it can, along with the load of cloud services provided by OpenStack cloud system, change its weighting, and more effective load distribution can be conducted. Finally, the actual application of Cloud Dynamic Load Balance Mechanism (CDLBM) and Dynamic Fuzzy Load Balance (DFLB) algorithms designed in this paper in OpenStack cloud platform and Docker cluster environment was verified, meanwhile, efficiency analysis and verification was also conducted. The experimental results showed that under pressure test, DFLB can, as compared to Round-Robin Scheduling, Weighted Round-Robin Scheduling and Cloud Load Balance Algorithm, reduce the response time by 10-40%; under efficiency test, DFLB can, as compared to Round-Robin scheduling method and weighting Round-Robin scheduling method and Cloud Load Balance Algorithm, reduce the response time by 11-22%.

参考文献 ( 61 ) 〈TOP〉

[4] Mell, P., and Grance, T. (2011). The NIST definition of cloud computing.
连结：
[9] Sefraoui, O., Aissaoui, M., and Eleuldj, M. (2012). OpenStack: toward an open-source solution for cloud computing. International Journal of Computer Applications, 55(3).
连结：
[12] Litvinski, O., and Gherbi, A. (2013). Experimental evaluation of OpenStack compute scheduler. Procedia Computer Science, 19, 116-123.
连结：
[17] Mohamed, M., Yangui, S., Moalla, S., and Tata, S. (2011, June). Web service micro-container for service-based applications in cloud environments. InEnabling Technologies: Infrastructure for Collaborative Enterprises (WETICE), 2011 20th IEEE International Workshops on (pp. 61-66). IEEE.
连结：
[20] Seo, K. T., Hwang, H., Moon, I., Kwon, O., and Kim, B. (2014). Performance comparison analysis of linux container and virtual machine for building cloud.Advanced Science and Technology Letters, 66, 105-111.
连结：

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使用DOI作为永久连结

引用含有DOI的文献

DOI可强化引用精确性、增强学术圈连结，并给予使用者跨平台的良好使用经验，目前在全世界已有超过五千万个对象申请DOI。 如想对DOI的使用与概念有进一步了解，请参考 （ ） 。

DOI可强化引用精确性、增强学术圈连结，并给予使用者跨平台的良好使用经验，目前在全世界已有超过五千万个对象申请DOI。如想对DOI的使用与概念有进一步了解，请参考（）。