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VPN as a managed service enables the service provider to offer more demanding and revenue generating services. Some of the more common managed VPN services known today include auto discovery, security and also a potential ability to perform on demand signaling. In this paper we try to tackle an important problem of service providers providing bandwidth service on demand on an IP/MPLS core network. We propose a managed VPN architecture for such a service highlighting the novelty in ourdoi:10.1109/icc.2006.254783 dblp:conf/icc/RavindranHT06 fatcat:p4v6kidxwjhitmjztfuwzwi5um