ACM Transactions on Computer Systems (TOCS)
Xen and the art of virtualization
SOSP '03 Proceedings of the nineteenth ACM symposium on Operating systems principles
Rethinking virtual network embedding: substrate support for path splitting and migration
ACM SIGCOMM Computer Communication Review
Cabernet: connectivity architecture for better network services
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
PolyViNE: policy-based virtual network embedding across multiple domains
Proceedings of the second ACM SIGCOMM workshop on Virtualized infrastructure systems and architectures
Virtual network provisioning across multiple substrate networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
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Most existing virtual network (VN) provisioning approaches assume a single administrative domain and therefore, VN deployments are limited to the geographic footprint of the substrate provider. To enable wide-area VN provisioning, network virtualization architectures need to address the intricacies of inter-domain aspects, i.e., how to provision VNs with limited control and knowledge of any aspect of the physical infrastructure. To this end, we present a framework for large-scale VN provisioning. We decompose VN provisioning into multiple steps to overcome the implications of limited information on resource discovery and allocation. We present a new resource selection algorithm with simultaneous node and link mapping to assign resources within each domain. We use a signaling protocol that integrates resource reservations for virtual link setup with Quality-of-Service guarantees. Our experimental results show that small VNs can be provisioned within a few seconds.