On Virtual Network Embedding: Paths and Cycles
On Virtual Network Embedding: Paths and Cycles
复制标题
虚拟网络嵌入:路径和循环
DOI:
10.1109/tnsm.2020.3002849
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发表时间:
2020-09
影响因子:
5.3
通讯作者:
Zhang Ran
中科院分区:
文献类型:
--
作者:
Wu Haitao;Zhou Fen;Chen Yaojun;Zhang Ran
Network virtualization provides a promising solution to overcome the ossification of current networks, allowing multiple Virtual Network Requests (VNRs) to be embedded on a common infrastructure. The major challenge in network virtualization is the Virtual Network Embedding (VNE) problem, which is to embed VNRs onto a shared substrate network and known to be $\mathcal {NP}$ -hard. The topological heterogeneity of VNRs is one important factor hampering the performance of the VNE. However, in many specialized applications and infrastructures, VNRs are of some common structural features, e.g., paths and cycles. To achieve better outcomes, it is thus critical to design dedicated algorithms for these applications and infrastructures by taking into accounting topological characteristics. Besides, paths and cycles are two of the most fundamental topologies that all network structures consist of. Exploiting the characteristics of path and cycle embeddings is vital to tackle the general VNE problem. In this paper, we investigate the path and cycle embedding problems. For path embedding, we prove its $\mathcal {NP}$ -hardness and inapproximability. Then, by utilizing Multiple Knapsack Problem (MKP) and Multi-Dimensional Knapsack Problem (MDKP), we propose an efficient and effective MKP-MDKP-based algorithm. For cycle embedding, we propose a Weighted Directed Auxiliary Graph (WDAG) to develop a polynomial-time algorithm to determine the least-resource-consuming embedding. Numerical results show our customized algorithms can boost the acceptance ratio and revenue compared to generic embedding algorithms in the literature.
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影响因子:
11.2
作者:
Mao Rui;Xu Honglong;Wu Wenbo;Li Jianqiang;Li Yan;Lu Minhua
通讯作者:
Lu Minhua
影响因子:
35.6
作者:
A. Belbekkouche;M. Hasan;A. Karmouch
通讯作者:
A. Belbekkouche;M. Hasan;A. Karmouch
影响因子:
5.3
作者:
Aris Leivadeas;C. Papagianni;S. Papavassiliou
通讯作者:
Aris Leivadeas;C. Papagianni;S. Papavassiliou
影响因子:
2.8
作者:
Cheng, Xiang;Su, Sen;Wang, Jie
通讯作者:
Wang, Jie
DOI:
10.1109/infcom.2013.6566800
发表时间:
2013-04
期刊:
2013 Proceedings IEEE INFOCOM
影响因子:
--
作者:
Shahrzad Shirazipourazad;Chenyang Zhou;Zahra Derakhshandeh;Arunabha Sen
通讯作者:
Shahrzad Shirazipourazad;Chenyang Zhou;Zahra Derakhshandeh;Arunabha Sen