Building virtual networks across multiple domains

Authors:
Christoph Werle;Panagiotis Papadimitriou;Ines Houidi;Wajdi Louati;Djamal Zeghlache;Roland Bless;Laurent Mathy
Affiliations:
Karlsruhe Institute of Technology, Karlsruhe, Germany;Leibniz University of Hannover, Hannover, Germany;Institut Telecom, Telecom SudParis, Evry, France;Institut Telecom, Telecom SudParis, Evry, France;Institut Telecom, Telecom SudParis, Evry, France;Karlsruhe Institute of Technology, Karlsruhe, Germany;Lancaster University, Lancaster, United Kingdom
Venue:
Proceedings of the ACM SIGCOMM 2011 conference
Year:
2011

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Abstract

This paper presents a platform for virtual network (VN) provisioning across multiple domains. The platform decomposes VN provisioning into multiple steps to address the implications of limited information disclosure on resource discovery and allocation. A new VN embedding algorithm with simultaneous node and link mapping allows to assign resources within each domain. For inter-domain virtual link setup, we design and realize a signaling protocol that also integrates resource reservations for providing virtual links with Quality-of-Service guarantees. Experimental results show that small VNs can be provisioned within a few seconds.