I-D ACTION:draft-xu-l3vpn-rsvp-te-bidirection-00.txt

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	Title		: Bidirectional RSVP-TE Tunnel 
	Author(s)	: X. Xu, L. Zhang
	Filename	: draft-xu-l3vpn-rsvp-te-bidirection-00.txt
	Pages		: 9
	Date		: 2005-10-12
	
Through the binding of two unidirectional RSVP-TE tunnels established 
between a pair of LSRs destined to each other, a bidirectional RSVP-
TE tunnel is formed. Like GRE tunnel, the bidirectional RSVP-TE 
tunnel can be used to establish L3VPN with virtual router or policy 
routing technology. In contrast to BGP/MPLS VPN defined in 
[RFC2547bis], multicast is easier to be implemented and multicast 
traffics can travel in RSVP-TE tunnel with such L3VPN. This L3VPN 
fully inherits the property of RSVP-TE, such as TE, QoS and fast 
convergence features. In addition, the bidirectional RSVP-TE tunnel 
has many other purposes, such as interconnection of two separate 
routing domains through a RSVP-TE tunnel and implementing LDP over TE.  

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