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Generalized Traffic Engineering Protocol for Multi-Layer GMPLS Networks
Eiji OKI Daisaku SHIMAZAKI Kohei SHIOMOTO Shigeo URUSHIDANI
Publication
IEICE TRANSACTIONS on Communications
Vol.E88-B
No.10
pp.3886-3894 Publication Date: 2005/10/01 Online ISSN:
DOI: 10.1093/ietcom/e88-b.10.3886 Print ISSN: 0916-8516 Type of Manuscript: Special Section PAPER (Special Section on Next Generation Photonic Network Technologies) Category: Keyword: GMPLS, traffic engineering, multi-layer network,
Full Text: PDF(659KB)>>
Summary:
This paper proposes a Generalized Traffic Engineering Protocol (GTEP). GTEP is a protocol that permits communication between a Path Computation Element (PCE) 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 PCE 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 PCE and GMPLS router. We demonstrate a multi-layer traffic engineering experiment conducted with GTEP.
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