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Nodal Architectures for Shared Mesh Restoration of IP and Wavelength Services

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1 Author(s)
Simmons, Jane M. ; Monarch Network Architects, Holmdel, NJ, USA

Future networks are expected to support heterogeneous traffic, including both Internet Protocol (IP) and wavelength services. IP services are typically restored using IP-layer rerouting mechanisms, whereas wavelength services are restored in the optical layer. With architectures where IP services are mapped into Layer-2 or time-division-multiplexing (TDM) protocols at the network edge, a common restoration mechanism can be utilized for both IP and wavelength services. This letter examines various nodal architectures that can be utilized to support such a unified restoration paradigm.

Published in:

Photonics Technology Letters, IEEE  (Volume:21 ,  Issue: 22 )

Date of Publication:

Nov.15, 2009

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