ACM Transactions on Computer Systems (TOCS)
Dynamic Internet overlay deployment and management using the X-Bone
ICNP '00 Proceedings of the 2000 International Conference on Network Protocols
Xen and the art of virtualization
SOSP '03 Proceedings of the nineteenth ACM symposium on Operating systems principles
A solver for the network testbed mapping problem
ACM SIGCOMM Computer Communication Review
In VINI veritas: realistic and controlled network experimentation
Proceedings of the 2006 conference on Applications, technologies, architectures, and protocols for computer communications
How to lease the internet in your spare time
ACM SIGCOMM Computer Communication Review
Rethinking virtual network embedding: substrate support for path splitting and migration
ACM SIGCOMM Computer Communication Review
Virtual routers on the move: live router migration as a network-management primitive
Proceedings of the ACM SIGCOMM 2008 conference on Data communication
DaVinci: dynamically adaptive virtual networks for a customized internet
CoNEXT '08 Proceedings of the 2008 ACM CoNEXT Conference
Cabernet: connectivity architecture for better network services
CoNEXT '08 Proceedings of the 2008 ACM CoNEXT Conference
Trellis: a platform for building flexible, fast virtual networks on commodity hardware
CoNEXT '08 Proceedings of the 2008 ACM CoNEXT Conference
Network virtualization architecture: proposal and initial prototype
Proceedings of the 1st ACM workshop on Virtualized infrastructure systems and architectures
Virtual network provisioning across multiple substrate networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
VOLTAIC: volume optimization layer to assign cloud resources
Proceedings of the 3rd International Conference on Information and Communication Systems
Virtual network embedding: a hybrid vertex mapping solution for dynamic resource allocation
Journal of Electrical and Computer Engineering - Special issue on Resource Allocation in Communications and Computing
DoS-resilient virtual networks through multipath embedding and opportunistic recovery
Proceedings of the 28th Annual ACM Symposium on Applied Computing
Greener networking in a network virtualization environment
Computer Networks: The International Journal of Computer and Telecommunications Networking
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In the future, virtual networks will be allocated, maintained and managed much like clouds offering flexibility, extensibility and elasticity with resources acquired for a limited time and even on a lease basis. Adaptive provisioning is required to maintain virtual network topologies, comply with established contracts, expand initial allocations on demand, release resources no longer useful, optimize resource utilization and respond to anomalies, faults and evolving demands. In this paper, we elaborate on adaptive virtual resource provisioning to maintain virtual networks, allocated initially on demand, in response to a virtual network creation request. We propose a distributed fault-tolerant embedding algorithm, which relies on substrate node agents to cope with failures and severe performance degradation. This algorithm coupled with dynamic resource binding is integrated and evaluated within a medium-scale experimental infrastructure.