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CaTa-VN: Coordinated and topology-aware virtual network service provisioning in data centers network

机译:CaTa-VN:数据中心网络中的协调式拓扑感知虚拟网络服务供应

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Nowadays cloud computing services are being extensively used for server hosting, data storage, processing, computing, and scientific and research purposes. So data centers are the substrate of any type of services in cloud computing infrastructure. Virtualization technology provides the infrastructure of various virtual elements on similar substrate/physical infrastructure. Network virtualization process includes two steps of node mapping and link mapping that provides the substrate network for each virtual network and is referred to as Virtual Network Embedding (VNE). This paper proposes a new VNE algorithm called CaTa-VN that is substrate network topology-aware and do VNE steps in a coordinated way. We appraise and compare the proposed CaTa-VN algorithm with two other related works with random topology. Experimental results demonstrate that CaTa-VN algorithm increases revenue and acceptance ratio and decrease cost.
机译:如今,云计算服务已广泛用于服务器托管,数据存储,处理,计算以及科研目的。因此,数据中心是云计算基础架构中任何类型服务的基础。虚拟化技术在类似的基板/物理基础结构上提供了各种虚拟元素的基础结构。网络虚拟化过程包括节点映射和链路映射两个步骤,这些步骤为每个虚拟网络提供基础网络,并称为虚拟网络嵌入(VNE)。本文提出了一种新的VNE算法,称为CaTa-VN,该算法可感知衬底网络拓扑,并以协调的方式执行VNE步骤。我们评估和比较提出的CaTa-VN算法与其他两个随机拓扑相关工作。实验结果表明,CaTa-VN算法提高了收益和接受率,降低了成本。

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