PPVPN draft-kathirvelu-hiervpn-corevpn-00.txt

[Karthik Muthukrishnan <mkarthik@lucent.com>]

NAME OF I-D:
         
        http://www.ietf.org/internet-drafts/draft-kathirvelu-hiervpn-corevpn-00.txt 
         
         
         
SUMMARY
        This draft presents an approach  for  building  hierarchical
	Virtual Private  Network  (VPN)  services.   
        The  central  vision  is  for  the  service provider  to
	provide  a  virtual router service to other SPs without 
        participating in VPNs of those SPs.  An application of this
	technique enables the aggregation of many regional 
        or local Service Provider VPN networks  across a
	Hierarchical VPN tunneling architecture.  This approach uses 
        label stacking techniques defined in  Multiprotocol Label
	Switching (MPLS).   The approach presented 
        here does not require any modifications of any existing
	routing protocols. 
          
         
RELATED DOCUMENTS
         
        
	http://www.ietf.org/internet-drafts/draft-ietf-ppvpn-requirements-00.txt
        
	http://www.ietf.org/internet-drafts/draft-ietf-ppvpn-framework-00.txt
        
	http://www.ietf.org/internet-drafts/draft-muthukrishnan-rfc2917bis-00.txt 
         
         
         
WHERE DOES IT FIT IN THE PICTURE OF THE SUB-IP WO
         
         This work fits in the PPVPN box.
         
        
WHY IS IT TARGETED AT THIS WG
         
         It addresses the following work item from the PPVPN WG charter:
         The working group is expected to consider at least three
	 specific approaches including 
         BGP-VPNs (e.g. RFC 2547), virtual routers and port-based
	 VPNs. This ID is based on the virtual router approach. Note, 
	 future revisions are expected to extend support to other PPVPN approaches. 
                
         The working group charter also states the approaches are
	based on individual technologies that already exist.  
         The ID conforms to that aspect of the charter as well (e.g.,
	use of MPLS Label stacking, use of existing routing protocols, etc.).
              
         
JUSTIFICATION
         
         The WG should consider this document as it specifically addresses
	work items called out in the charter of the PPVPN working group.
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