基于排隊理論的云計算中心性能分析模型
發(fā)布時間:2019-03-16 20:47
【摘要】:為全面、客觀分析云計算系統(tǒng)中心的性能,提出一種改進的云計算中心系統(tǒng)分析模型。利用泊松分布描述批量到達云計算中心的用戶服務請求變化特點,建立基于排隊論的批量到達系統(tǒng)模型,在概率空間上求解隊長的穩(wěn)態(tài)概率,采用仿真實驗對阻塞概率、立即服務概率等性能指標進行分析。仿真結果表明,隨著批量到達請求數(shù)增加,云計算中心的平均隊長相應增加,降低了系統(tǒng)的阻塞概率。
[Abstract]:In order to comprehensively and objectively analyze the performance of cloud computing system center, an improved cloud computing center system analysis model is proposed. By using Poisson distribution to describe the changing characteristics of user service requests to cloud computing centers, a batch arrival system model based on queuing theory is established. The steady probability of queue length is solved in probability space, and the blocking probability is tested by simulation experiments. Performance indicators such as immediate service probability are analyzed. The simulation results show that the average queue length of the cloud computing center increases with the increase of the number of batch arrival requests, which reduces the blocking probability of the system.
【作者單位】: 暨南大學信息科學技術學院;
【基金】:武漢大學軟件工程國家重點實驗室開放基金資助項目(SKLSE2012-09-37) 公安部技術研究計劃基金資助項目(2014JSYJB048)
【分類號】:TP308
[Abstract]:In order to comprehensively and objectively analyze the performance of cloud computing system center, an improved cloud computing center system analysis model is proposed. By using Poisson distribution to describe the changing characteristics of user service requests to cloud computing centers, a batch arrival system model based on queuing theory is established. The steady probability of queue length is solved in probability space, and the blocking probability is tested by simulation experiments. Performance indicators such as immediate service probability are analyzed. The simulation results show that the average queue length of the cloud computing center increases with the increase of the number of batch arrival requests, which reduces the blocking probability of the system.
【作者單位】: 暨南大學信息科學技術學院;
【基金】:武漢大學軟件工程國家重點實驗室開放基金資助項目(SKLSE2012-09-37) 公安部技術研究計劃基金資助項目(2014JSYJB048)
【分類號】:TP308
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