@techreport{kathirvelu-hiervpn-corevpn-01,
	number =	{draft-kathirvelu-hiervpn-corevpn-01},
	type =		{Internet-Draft},
	institution =	{Internet Engineering Task Force},
	publisher =	{Internet Engineering Task Force},
	note =		{Work in Progress},
	url =		{https://datatracker.ietf.org/doc/html/draft-kathirvelu-hiervpn-corevpn-01},
        author =	{Karthik Muthukrishnan},
	title =		{{Hierarchical VPN over MPLS Transport}},
	pagetotal =	9,
	year =		2001,
	month =		jul,
	day =		19,
	abstract =	{This memo presents an approach for building hierarchical Virtual Private Network (VPN) services. This approach uses Multiprotocol Label Switching (MPLS). The central vision is for the service provider to provide a virtual router service to other SPs without participating in VPNs of those SPs.},
}