[en] 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 provi-
sion 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 impli-
cations 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.
Disciplines :
Computer science
Author, co-author :
Papadimitriou, Panagiotis; Leibniz University of Hannover
Houidi, Ines; Telecom SudParis
Louati, Wajdi; Telecom SubParis
Zehglache, Djamal; Telecom SubParis
Werle, Christoph; Karlsruhe Institute of Technology
Bless, Roland; Karlsruhe Institute of Technology
Mathy, Laurent ; Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes informatiques répartis et sécurité
Language :
English
Title :
Towards Large-Scale Network Virtualization
Publication date :
2012
Event name :
IFIP International Conference on Wired/Wireless Internet Communications (WWIC)
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