An IPTV service delivery model using novel virtual network topology

Authors:
Biao Song;Mohammad Mehedi Hassan;Eui Nam Huh
Affiliations:
Kyung Hee University, Seocheon-dong, Giheung-gu, Yongin-si, Gyeonggi-do, South Korea;Kyung Hee University, Seocheon-dong, Giheung-gu, Yongin-si, Gyeonggi-do, South Korea;Kyung Hee University, Seocheon-dong, Giheung-gu, Yongin-si, Gyeonggi-do, South Korea
Venue:
Proceedings of the 5th International Conference on Ubiquitous Information Management and Communication
Year:
2011

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Abstract

Network Virtualization, as an irresistible trend for building future Internet, create a virtual topology on the top of the current network architecture and provide end-to-end quality of service guarantees. By utilizing the flexibility of the virtual network, this paper proposes a novel and reliable model for IPTV service delivery using network virtualization. The challenging issues in our model are the virtual network topology construction and virtual network embedding. Since the current network topologies are not sufficient enough to be applied, an advanced topology named Multi-Depots Ring-Star with 2-Depots per Ring is proposed for improving the efficiency and reliability of the IPTV service delivery network. We also develop a VN construction and allocation framework which reduces the difficulty of topology reconstruction problem caused by the unpredictability of virtual network embedding results.