Network programmability for VPN overlay construction and bandwidth management

Authors:
Bushar Yousef;Doan B. Hoang;Glynn Rogers
Affiliations:
Advanced Research in Networking Laboratory, University of Technology Sydney, Broadway, NSW, Australia;Advanced Research in Networking Laboratory, University of Technology Sydney, Broadway, NSW, Australia;CSIRO ICT Centre, Epping, NSW, Australia
Venue:
IWAN'04 Proceedings of the 6th IFIP TC6 international working conference on Active networks
Year:
2004

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Abstract

Reliability and security concerns have increased demand for Virtual Private Networks (VPNs). Ideally, a VPN service should offer autonomous overlay networks with guaranteed bandwidth allocations over a shared network. Network providers seek an automated VPN creation and management process, while users of a VPN would greatly benefit from secure control over the handling of their traffic. Currently, network infrastructure does not support such partitioning services and, due to its static nature, it cannot be adapted to meet such new demands. Active and Programmable Network research has developed a number of adaptable architectures. However, its current focus is on theoretical service deployment rather than on applicability to large and shared networking environments. This paper presents the application of a new programmable architecture to enable on-demand VPN construction, bandwidth management, and secure autonomous VPN control onto shared commercial infrastructure.