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1. 国家数字交换系统工程技术研究中心,河南郑州 450002
2. 铁道警察学院公安技术系,河南郑州 450053
Online First:2018-06,
Published:15 June 2018
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Jichao XIE, Peng YI, Zhen ZHANG, et al. Service function chain deployment scheme based on heterogeneous backup and remapping[J]. Chinese Journal of Network and Information Security, 2018, 4(6): 23-35.
Jichao XIE, Peng YI, Zhen ZHANG, et al. Service function chain deployment scheme based on heterogeneous backup and remapping[J]. Chinese Journal of Network and Information Security, 2018, 4(6): 23-35. DOI: 10.11959/j.issn.2096-109x.2018051.
网络功能虚拟化技术提高了服务功能链部署的灵活性,然而虚拟网络功能面临着不确定失效和恶意攻击问题,现有的冗余备份部署方法能在一定程度上解决虚拟网络功能的失效问题,但未考虑节点同构性在面临恶意攻击时的缺陷。为此提出一种考虑节点异构性的部署方法,在进行冗余备份和重映射时保证节点的异构性。实验表明,相比于同构备份方法,所提方法在请求接受率下降3.8%,带宽消耗增加9.2%的情况下,显著提高了攻击者的攻击时间成本。
Network function virtualization technology improves the flexibility of service function chains' deployment.However
the virtual network functions are under the pressure of uncertain failures and malicious attacks.The existing redundant backup methods can solve the problem of VNF failures to some extent
it does not consider the defects of node homogeneity in the face of malicious attacks.A deployment method considering the heterogeneity of nodes was proposed
guaranteeing the heterogeneity of nodes when perform redundant backup and remapping.Simulation experiments demonstrate that the proposed method significantly increases attacker's attack time cost under the cost of the request acceptance rate decreases by 3.8% and the bandwidth consumption increase by 9.2% comparing to the homogeneity backup method.
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