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Design and Architectural Concepts for Border Model Based IP/Optical Multi-Layer Service Networks
IEICE TRANSACTIONS on Communications
Publication Date: 2005/10/01
Print ISSN: 0916-8516
Type of Manuscript: Special Section INVITED PAPER (Special Section on Next Generation Photonic Network Technologies)
multi-layer service network, GMPLS, border model, IGP, resource control,
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The bandwidth explosion ushered in by the popularity of the Internet has spurred the recent acceleration in the development and deployment of equipment supporting packet based broadband services. This coupled with the widespread deployment of WDM based Optical Transport Systems in the core network to satisfy the corresponding increase in capacity demand, has led network planners for tighter coordination between IP and Optical layers to increase reliability, robustness of next generation backbone network. In this paper, we propose a solution known as border model, which is tailored to address deployment concerns associated with GMPLS technology in existing networks. We extend our proposal to include, "Border model based Multi-layer service network architecture," to provide coordinated multi-layer IP and Optical services, for different network design scenarios. Resource Control is an important aspect of multi-layer service networks. This paper examines next generation requirements for resource control, defines resource control architecture and presents some evaluation results for multi-layer recovery techniques in the context of Multi-layer service network based on border model.