I-D ACTION:draft-shiomoto-ccamp-multiarea-te-00.txt

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	Title		: Multi-area multi-layer traffic engineering using
                          hierarchical LSPs in GMPLS networks
	Author(s)	: K. Shiomoto et al.
	Filename	: draft-shiomoto-ccamp-multiarea-te-00.txt
	Pages		: 8
	Date		: 25-Feb-02
	
This draft proposes a multi-area multi-layer traffic engineering
method using hierarchical LSPs in GMPLS networks. Lower-layer LSPs
are set up between ABRs over the backbone area and higher-layer LSPs
are set up between LSRs over the lower-layer LSPs. The proposed
method is applied to optical backbone area. OSPF and BGP-4 are
extended to carry traffic demand from ingress area to egress area so
that each border node can compile the traffic demand matrix whose
(i,j)-element corresponds to the traffic demand from area-i to area-
j. Appropriate light path topology can be calculated using the
traffic demand matrix.

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