When trees collide: an approximation algorithm for the generalized Steiner problem on networks
STOC '91 Proceedings of the twenty-third annual ACM symposium on Theory of computing
Rethinking virtual network embedding: substrate support for path splitting and migration
ACM SIGCOMM Computer Communication Review
An Approach towards Resource Efficient Virtual Network Embedding
INTERNET '10 Proceedings of the 2010 2nd International Conference on Evolving Internet
Resilient Virtual Network Service Provision in Network Virtualization Environments
ICPADS '10 Proceedings of the 2010 IEEE 16th International Conference on Parallel and Distributed Systems
Security-aware optimal resource allocation for virtual network embedding
Proceedings of the 8th International Conference on Network and Service Management
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We present an approach for deploying and subsequently managing a virtual network overlay, which is tailored to an end-user's request. Our approach combines a binary integer optimisation process to decide on the number and placement of virtual routers, and an autonomic network management system that subsequently manages the configuration of the running virtual network. High-level optimisation policies are used to guide the optimisation process to identify a virtual network that favours lower hosting costs or higher network quality (we use mean delays as a quality metric). Low-level deployment policies are generated and used to govern the deployment and management of the virtual networks. Our results indicate that the binary integer optimisation process produces a virtual network that has lower cost as compared to creating a network based on combined shortest paths.