本文關(guān)鍵詞：基于云計(jì)算平臺(tái)的電信業(yè)務(wù)支撐系統(tǒng)中資源提供策略的研究　出處：《南京郵電大學(xué)》2012年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 云計(jì)算 資源提供策略 電信業(yè)務(wù)支撐系統(tǒng) EARC模型

【摘要】：電信業(yè)務(wù)支撐系統(tǒng)是實(shí)現(xiàn)電信運(yùn)營一體化戰(zhàn)略及信息資源共享的支持系統(tǒng),是各大電信運(yùn)營商在競(jìng)爭(zhēng)日益激烈的環(huán)境下獲得成功的關(guān)鍵。云計(jì)算作為新一代計(jì)算技術(shù),以分布式計(jì)算、網(wǎng)格計(jì)算、效用計(jì)算多種技術(shù)為背景發(fā)展而來,它為解決大規(guī)模的資源部署與管理這一重要問題提供了平臺(tái)。其中,在云計(jì)算資源部署中,為虛擬機(jī)提供合適的物理資源是很重要的過程。由于云計(jì)算環(huán)境下,資源種類繁多,資源具有異構(gòu)性的特點(diǎn),現(xiàn)有的資源提供策略未能充分考慮到資源間的各種差異,不完全適合云計(jì)算下繁雜的電信業(yè)務(wù)支撐系統(tǒng)的異構(gòu)環(huán)境。 論文針對(duì)電信業(yè)務(wù)支撐系統(tǒng)的特點(diǎn),在常見的資源提供策略的基礎(chǔ)上,提出一種基于EARC(Economy-Availability-Reliability-Collaboration)模型的資源提供策略。該模型將物理資源的經(jīng)濟(jì)性因子、可用性因子、可靠性因子和協(xié)同性因子四方面綜合考慮。其中,經(jīng)濟(jì)性因子的計(jì)算模型由資源的硬件成本和能耗成本構(gòu)成,將資源成本因素考慮到資源提供策略中,降低了運(yùn)營成本;可用性因子的計(jì)算模型中考慮了資源的現(xiàn)有資源利用率和剩余可用計(jì)算存儲(chǔ)能力兩個(gè)因素,前者使各物理資源的負(fù)載更均衡,后者提高資源伸縮性的本地化特點(diǎn);可靠性因子通過資源預(yù)測(cè)器對(duì)資源進(jìn)行可靠性預(yù)測(cè),將所有滿足任務(wù)基本計(jì)算存儲(chǔ)能力要求的可靠或不可靠的資源都納入候選資源池中,這樣能進(jìn)一步改善數(shù)據(jù)中心的總體利用率;協(xié)同性因子是考慮到不同物理資源執(zhí)行不同類型任務(wù)時(shí)的性能差異,通過歷史信息來衡量資源的協(xié)同指數(shù),提高資源執(zhí)行任務(wù)時(shí)的性能。通過對(duì)資源四個(gè)因素施以不同的權(quán)值來調(diào)整該算法的整體性能。最后通過仿真實(shí)驗(yàn),驗(yàn)證了EARC模型的資源提供策略的有效性。
[Abstract]:Telecommunication service support system is a support system to realize the integrated strategy of telecommunication operation and the sharing of information resources. Cloud computing as a new generation of computing technology, with distributed computing, grid computing, utility computing as the background of a variety of technologies. It provides a platform for solving the important problem of large-scale resource deployment and management. In the deployment of cloud computing resources, it is very important to provide suitable physical resources for virtual machines. Because of the diversity of resources and the heterogeneity of resources, the existing resource provision strategies do not fully take into account the differences between resources, and are not fully suitable for the heterogeneous environment of complex telecom business support systems under cloud computing. According to the characteristics of telecom service support system, this paper is based on the common resource supply strategy. An EARC-based Economy-Availability-Reliability-collaboration-based system is proposed. The resource supply strategy of the model. The model will be the economic factor of physical resources. The availability factor, reliability factor and collaborative factor are considered synthetically. Among them, the calculation model of economy factor is composed of hardware cost and energy cost of resource. The resource cost factor is taken into account in the resource supply strategy, and the operating cost is reduced. In the calculation model of the availability factor, two factors are considered: the existing resource utilization ratio and the residual available computing storage capacity. The former makes the load of each physical resource more balanced. The latter improves the localization characteristics of resource scalability; Reliability factors predict the reliability of resources through resource predictors, and all reliable or unreliable resources that meet the requirements of the basic computing storage capacity of the task are included in the candidate resource pool. This would further improve the overall utilization of data centres; The synergetic factor is to measure the synergy index of resources through historical information considering the performance differences of different physical resources when performing different types of tasks. Improve the performance of the resource when performing the task. Adjust the overall performance of the algorithm by applying different weights to the four factors of the resource. Finally, through the simulation experiment. The effectiveness of the resource provision strategy of the EARC model is verified.
【學(xué)位授予單位】：南京郵電大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2012
【分類號(hào)】：TN915.0;TP3

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