Elastic and Adaptive Resource Orchestration Architecture on 3-Tier Network Virtualization Model

Masayoshi SHIMAMURA, Hiroaki YAMANAKA, Akira NAGATA, Katsuyoshi IIDA, Eiji KAWAI, Masato TSURU

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Summary :

Network virtualization environments (NVEs) are emerging to meet the increasing diversity of demands by Internet users where a virtual network (VN) can be constructed to accommodate each specific application service. In the future Internet, diverse service providers (SPs) will provide application services on their own VNs running across diverse infrastructure providers (InPs) that provide physical resources in an NVE. To realize both efficient resource utilization and good QoS of each individual service in such environments, SPs should perform adaptive control on network and computational resources in dynamic and competitive resource sharing, instead of explicit and sufficient reservation of physical resources for their VNs. On the other hand, two novel concepts, software-defined networking (SDN) and network function virtualization (NFV), have emerged to facilitate the efficient use of network and computational resources, flexible provisioning, network programmability, unified management, etc., which enable us to implement adaptive resource control. In this paper, therefore, we propose an architectural design of network orchestration for enabling SPs to maintain QoS of their applications aggressively by means of resource control on their VNs efficiently, by introducing virtual network provider (VNP) between InPs and SPs as 3-tier model, and by integrating SDN and NFV functionalities into NVE framework. We define new north-bound interfaces (NBIs) for resource requests, resource upgrades, resource programming, and alert notifications while using the standard OpenFlow interfaces for resource control on users' traffic flows. The feasibility of the proposed architecture is demonstrated through network experiments using a prototype implementation and a sample application service on nation-wide testbed networks, the JGN-X and RISE.

Publication
IEICE TRANSACTIONS on Information Vol.E99-D No.4 pp.1127-1138
Publication Date
2016/04/01
Publicized
2016/01/18
Online ISSN
1745-1361
DOI
10.1587/transinf.2014EDP7321
Type of Manuscript
PAPER
Category
Information Network

Authors

Masayoshi SHIMAMURA
  Tokyo Institute of Technology,Network Application Engineering Laboratories Ltd.
Hiroaki YAMANAKA
  National Institute of Information and Communications Technology
Akira NAGATA
  Kyushu Institute of Technology
Katsuyoshi IIDA
  Tokyo Institute of Technology
Eiji KAWAI
  National Institute of Information and Communications Technology
Masato TSURU
  Kyushu Institute of Technology

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