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A novel IP-over-optical network interconnection model for the next-generation optical Internet

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4 Author(s)
Khalil, A. ; City Coll., City Univ. of New York, NY, USA ; Hadjiantonis, A. ; Ellinas, G. ; Ali, M.

The paper proposes a novel IP-over-optical network interconnection model that takes the best features from both the overlay and peer models while avoiding their limitations. Specifically, the proposed model utilizes an optical layer-based unified control plane that manages both routers and optical switches (analogous to the peer model), while still retaining complete separation between the optical and IP layers of the overlay model. This is achieved by shifting the control plane functionalities previously associated with the IP layer to the IP/MPLS-aware, non-traffic bearing OXC controller modules located within the optical domain. In this architecture, better decisions can be made for provisioning and managing network resources, leading to their more efficient use. Based on the proposed model, an integrated dynamic routing algorithm, that takes into account the combined topology and resource usage information at both the IP and optical layers, is developed.

Published in:

Global Telecommunications Conference, 2003. GLOBECOM '03. IEEE  (Volume:7 )

Date of Conference:

1-5 Dec. 2003

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