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    云南民族大學學報(自然科學版)

    2020, v.29;No.122(04) 344-349

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    基于核心節點的虛擬網絡嵌入算法
    A virtual network embedding algorithm based on core nodes

    楊杰;趙成貴;
    YANG Jie;ZHAO Cheng-gui;School of Information, Yunnan University of Finance and Economics;

    摘要(Abstract):

    網絡虛擬化技術被認為是目前用來改善網絡架構的1種有效手段,可以解決底層硬件設施更換成本過高問題.如何進行虛擬網絡嵌入問題也就成為了網絡虛擬化研究的1個熱點.保證嵌入成功率的同時,對如何在盡可能短的時間內進行嵌入過程進行研究,設計了1種基于割點集和重權集的核心節點的虛擬網絡嵌入方法.實驗證明,相比其他算法,所提算法的運行效率更高,同時提高了虛擬網絡請求的接受率.
    Network virtualization technology is thought to be an effective method to ameliorate the network framework, which can solve the problem of expensive equipment replacement cost of the underlying hardware facilities. How to carry out virtual network embedding has become a hot topic in network virtualization research. This paper not only guarantees the success rate of embedding, but also studies how to carry on the embedding process in the shortest possible time, and designs a virtual network embedding method based on the core nodes of cut-vertex set and weight set. Experiments show that compared with other algorithms, this algorithm runs more efficiently, and improves the acceptance rate of virtual network requests.

    關鍵詞(KeyWords): 網絡虛擬化;虛擬網絡嵌入;割點;核心節點
    network virtualization;virtual network embedding;cut-vertex;core node

    Abstract:

    Keywords:

    基金項目(Foundation): 國家自然科學基金(61562089);; 云南省教育廳科學研究基金(2020Y0375)

    作者(Author): 楊杰;趙成貴;
    YANG Jie;ZHAO Cheng-gui;School of Information, Yunnan University of Finance and Economics;

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    DOI:

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