Service policies, relative priorities, and other such metadata are used by the shared run time to manage the distribution of resources when under load. 在负载过大的情况下,共享运行时将使用服务策略、相关优先级和其他此类元数据来管理资源的分配。
The aggregate requests of concurrent multimedia applications Poisson arrive the storage system, the storage system service time is exponential distribution, such stochastic process was abstracted as an M/ M/ 1 queuing model. 并发多媒体应用的访问请求经汇聚后到达存储系统的过程服从泊松分布,存储系统的服务时间服从指数分布;并发多媒体负载访问存储系统的过程用M/M/1排队论模型描述。
The experiment results demonstrate that the formula of Kaufman is still valid when the system is governed by the mechanism of blocked-customer-cleared and the service time obeys a Pareto distribution. 结果表明在清除阻塞机制下,Kaufman递推公式可以推广到服务时间为Pareto分布的自相似性综合业务排队系统以计算呼叫损失概率。
This dissertation designs a service time-space network combined with train formation plan and train schedule for the first time, which makes for modeling dynamic empty car distribution. 首次提出了融合列车编组计划和列车运行图的服务时空网络概念,为研究动态空车调配问题提供了一种有效的技术手段和建模方法。
We also obtain the distributions of failure number which server takes in a generalized service time, and show that it follows a modified geometric distribution. 我们也得到在广义服务时间内服务台发生故障次数的分布,证明它服从一个修正的几何分布。
In the view that the service time has a time varying arbitrary distribution, an M/ G/ K queue is adopted and the average user delay time is approximated. 针对用户的服务时间是时变的任意分布,我们运用M/G/K队列模型,用近似法获得用户平均延迟时间等话务模型的重要参数。
This paper discusses the bounds of the waiting time distribution in M/ G/ 1 queueing system with multiple server vacations by some characters of service time distribution. And some useful bounds of the waiting time distribution are obtained. 本文根据服务时间分布的一些特殊性质,研究了多重休假M/G/1排队系统等待时间分布函数的界值问题,得到一些实用的、便于数值计算的界值结果,具有重要的应用价值。
However, the pressure distribution range on lining of the floating shoe changes, in fact, as the coefficient of friction between drum and lining varies with temperature, service time and so on, the pressure distribution range is unequal to the lining wrap angle in general. 而实际上,该理论模型中二自由度制动蹄摩擦片上压力分布范围是随摩擦系数的变化而变化的。
In this paper we consider the generalized MX/ G/ 1 queue with multiple server vacations. Assuming that the vacation time and the service time have general distribution functions, we study the transient and equilibrium properties of the queue length. 本文考虑推广的多重休假MX/G/1排队,在假定休假时间和服务时间都是一般概率分布函数下,我们研究了队长的瞬态和稳态性质。
Based service time distribution difference, we obtain distribution of packet number and queue of frame in system through queue theory. 根据服务时间的分布不同,用排队论的方法分析了系统中包数的分布和队列长度的分布。
Research on the Performance Analysis of M/ G/ 1 Queue System of Service Time with PME Heavy-Tailed Distribution 基于PME重尾分布服务时间的M/G/1模型排队性能研究
By introducing "the generalized service time" of the customer and the embedded Markov chains of queue length, we obtained the recursive expression of equilibrium distribution of embedded Markov chains and average queue length. 通过引入顾客的广义服务时间和队长过程的嵌入Markov链,得到了嵌入Markov链的平稳分布的递推表达式以及平均队长。
We discuss a single server queue with batch arrivals and second optional general service time distribution under N-policy. 研究N策略下的批量到达的具有第二次可选择服务且两次服务均可反馈的多重休假排队系统。
We first consider the generalized service time and proved that it is a discrete phase type variable. Then we obtain the steady state distribution of queue lengthened. 首先我们考虑广义服务时间,证明它是离散PH变量,然后运用矩阵几何解理论,我们给出了系统的稳态队长分布。
The formula of Erlang B is inferred to hold for any M/ G/ C/ C system with general service time distribution, but rigorous proof is absent. 理论上推测ErlangB公式对服务时间为任意分布的M/G/C/C系统的呼叫损失概率是有效的但缺乏严格证明。
It is the premise of the good distribution system that the IT enterprises supply the service, which is high-quality and high-efficiency. At the same time, the reasonable location of the distribution centers directly effect the operation efficiency of the distribution system. IT企业良好的配送系统是提供优质、高效配送服务的前提,而配送中心的合理布局直接影响配送系统的运作效率。
According to the characteristics of multimedia service, different access strategies are applied for real time and non-real time traffic, and the CDP is evaluated under non-uniform global traffic distribution through simulation analysis. 最后,我们根据卫星多媒体通信的业务特点,针对实时和非实时业务分别采用不同的接入策略,对这两种降低强制中断率的方法在非均匀分布全球话务密度模型下进行了仿真分析。
The system model in this thesis broadens the existing modeling assumptions, that is, Web requests and the Web service time are not required to keep to the distribution of negative exponential. 本文模型放宽了现行建模的假设,即不要求Web请求、Web服务时间服从负指数分布,并引入GI/G/N模型来刻画系统,从而克服了以往Web信息系统逻辑建模的一些缺陷。
As for model reliability, the average operating time of service composition is first calculated, and under the condition that the operating time is in line with exponential distribution, the probability i.e. reliability of task completion by service composition in given time. 在模型可靠性分析方面,通过求模型表示的整个服务组合的平均执行时间,在假定服务执行延时时间符合指数分布的情况下,求得服务组合在指定时间内完成任务的概率即可靠性。
Experimental results show that: comparing with other algorithms, the PSO algorithm applied in Grid service resource scheduling has faster response time, a more rational distribution of tasks, an efficient use of grid resources, and have great advantage in solving multi-objective optimization problem. 从仿真实验结果表明:微粒群算法应用于网格资源优化调度中,相较于其他算法任务响应时间较快,分配的任务更加合理,能够高效的利用网格资源,在求解多目标问题上具有很大优势。