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Network virtualization is a promising way to overcome the current ossification of the Internet. It is essential challenge to find effective, efficient and robust embedding algorithms for recovering virtual network. The virtual network mapping algorithm based on integer programming which was proposed months ago. But it did consider the faults of physical network resources, which is so called survivable...
The virtual network (VN) embedding/mapping problem is recognized as an essential question of network virtualization. The VN embedding problem is a major challenge in this field. Its target is to efficiently map the virtual nodes and virtual links onto the substrate network resources. Previous research focused on designing heuristic-based algorithms or attempting two-stage solutions by solving node...
Network virtualization is considered as a powerful way to deploy different network architectures and protocols over a shared physical infrastructure. Virtual network (VN) embedding plays an important role in the network virtualization environment. Virtual network embedding is mainly about mapping virtual nodes and virtual links onto the physical network resources efficiently. However, load balancing...
The lack of suitable way to get high-performance router testbed negatively affects the researches of new generation network in the campus laboratory. In this paper, we propose a novel and practical method to achieve high-performance router testbed based on Openflow and Click. This method only needs personal computers and hubs. Then we can get a load-balancing high-performance router testbed, and the...
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