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http://www.rfc-editor.org/rfc/rfc4206.txt
RFC 4206: Label Switched Paths (LSP) Hierarchy with Generalized Multi-Protocol Label Switching (GMPLS) Traffic Engineering (TE), K. Kompella, Y. Rekhter
2005-10-01T23:00:00-00:00
This document describes the mechanisms to accomplish this. [PROPOSED STANDARD]