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传统智能网把信息处理技术引入电信网,它把业务处理功能从交换机迁移到单独的计算设备上,在很大程度上方便了新业务的引入和对原来业务的改进。传统智能网在电信领域中的重要作用已经在实践中得到证明,它既为电信部门创造了丰厚利润,也给最终用户带来了很大方便。然而... 相似文献
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开放和融合是网络发展的趋势。ITU提出了GII(Global Information Infrastructure)的概念模型,从企业和用户的视点描述了电信网络演进的方向,并提出了ICA(Information Communication Architecture),详细描述了GII概念模型中的中间件功能。同时,在计算机界,网格技术和Web Service技术结合,形成了OGSA(Open Grid Service Architecture)的架构。结合Web Service技术,GII、ICA的功能可以表示为Web Service的集合,网络提供给用户的服务可以是Web Service服务,或者是Web Service组合后形成的更高粒度的服务。Web Service技术和NGN结合有利于网络的融合和开放,能够在传输网络之上形成一个业务网,必将促进NGN的发展。 相似文献
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Resource Scheduling is crucial to data centers. However, most previous works focus only on onedimensional resource models which ignoring the fact that multiple resources simultaneously utilized, including CPU, memory and network bandwidth. As cloud computing allows uncoordinated and heterogeneous users to share a data center, competition for multiple resources has become increasingly severe. Motivated by the differences on integrated utilization obtained from different packing schemes, in this paper we take the scheduling problem as a multidimensional combinatorial optimization problem with constraint satisfaction. With NP hardness, we present Multiple attribute decision based Integrated Resource Scheduling (MIRS), and a novel heuristic algorithm to gain the approximate optimal solution. Refers to simulation results, in face of various workload sets, our algorithm has significant superiorities in terms of efficiency and performance compared with previous methods. 相似文献
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