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GTEP: generalized traffic engineering protocol for multi-layer GMPLS networks

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3 Author(s)
Oki, E. ; NTT Network Service Syst. Lab., NTT Corp., Musashino, Japan ; Shimazaki, D. ; Kohei Shiomoto,

This paper proposes a generalized traffic engineering protocol (GTEP). GTEP is a protocol that permits communication between a constrained shortest path first (CSPF) engine and a generalized multi-protocol label switching (GMPLS) controller (CNTL). The latter is hosted by each GMPLS node; it handles GMPLS and MPLS protocols such as routing and signaling protocols as well as controlling the GMPLS node host. The CSPF engine provides multi-layer traffic engineering; it calculates label switched path (LSP) routes and judges whether a new lower-layer LSP should be established. GTEP functions are implemented in both the CSPF engine and GMPLS router. We demonstrate a multi-layer traffic engineering experiment conducted with GTEP.

Published in:

Global Telecommunications Conference Workshops, 2004. GlobeCom Workshops 2004. IEEE

Date of Conference:

29 Nov.-3 Dec. 2004