Efficient algorithms for survivable virtual network embedding

Gang Sun; Hongfang Yu; Lemin Li; Vishal Anand; Hao Di; Xiujiao Gao

doi:10.1117/12.887651

10 January 2011 Efficient algorithms for survivable virtual network embedding

Gang Sun, Hongfang Yu, Lemin Li, Vishal Anand, Hao Di, Xiujiao Gao

Proceedings Volume 7989, Network Architectures, Management, and Applications VIII; 79890K (2011) https://doi.org/10.1117/12.887651
Event: Asia Communications and Photonics Conference and Exhibition, 2010, Shanghai, Shanghai, China

Abstract

Network Virtualization Technology is serving as an effective method for providing a flexible and highly adaptable shared substrate network to satisfy the diversity of demands. But the problem of efficiently embedding Virtual Network (VN) onto substrate network is intractable since it is NP-hard. How to guarantee survivability of the embedding efficiently is another great challenge. In this paper, we investigate the Survivable Virtual Network Embedding (SVNE) problem and propose two efficient algorithms for solving this problem efficiently. Firstly, we formulate the model with minimum-cost objective of survivable network virtualization problem by Mixed Integer Linear Programming (MILP). We then devise two efficient relaxation-based algorithms for solving survivable virtual network embedding problem: (1) Lagrangian Relaxation based algorithm, called LR-SVNE in this paper; (2) Decomposition based algorithm called DSVNE in this paper. The results of simulation experiments show that these two algorithms both have good performance on time efficiency but LR-SVNE can guarantee the solution converge to optimal one under small scale substrate network.

Citation Download Citation

Gang Sun, Hongfang Yu, Lemin Li, Vishal Anand, Hao Di, and Xiujiao Gao "Efficient algorithms for survivable virtual network embedding", Proc. SPIE 7989, Network Architectures, Management, and Applications VIII, 79890K (10 January 2011); https://doi.org/10.1117/12.887651

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KEYWORDS

Radon

Computer simulations

Network architectures

Binary data

Computer programming

Communication engineering

Electroluminescence

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