Hybrid burst/packet switching architectures from IP NOBEL

Helen C. Leligou; Gert Eilenberger; Lars Dembeck; Wolfram Lautenschlaeger; Stephan Bunse; A. Stavdas; J. Angelopoulos; Christina T. Politi

doi:10.1117/12.691610

2 October 2006 Hybrid burst/packet switching architectures from IP NOBEL

Helen C. Leligou, Gert Eilenberger, Lars Dembeck, Wolfram Lautenschlaeger, Stephan Bunse, A. Stavdas, J. Angelopoulos, Christina T. Politi

Author Affiliations +

Proceedings Volume 6388, Optical Transmission Systems and Equipment for Networking V; 63880C (2006) https://doi.org/10.1117/12.691610
Event: Optics East 2006, 2006, Boston, Massachusetts, United States

Abstract

In spite of its long term promise, all-optical switching is still plagued by high cost, low efficiency when handling bursty data traffic, immature management and protection and poor output port contention resolution leading to heavy loss. Given the current situation, hybrid approaches that keep the best features of optics, reverting to the electrical plane when expedient, constitute sensible interim steps that can offer cost-effective solutions along the road to an eventual all-optical core. Two such approaches developed in the framework of the European IP project NOBEL are presented in this work. The first is a quite mature solution that extends present day concepts to achieve multiplexing gain while keeping all the management and restoration benefits of SDH. The other mimics early LANs in executing a distributed switching via its electrical control plane using two-way reservations, thus restricting its applicability to smaller domains. Combining the two leads to a system fulfilling most of today's requirements for Tb/s core networks.

Citation Download Citation

Helen C. Leligou, Gert Eilenberger, Lars Dembeck, Wolfram Lautenschlaeger, Stephan Bunse, A. Stavdas, J. Angelopoulos, and Christina T. Politi "Hybrid burst/packet switching architectures from IP NOBEL", Proc. SPIE 6388, Optical Transmission Systems and Equipment for Networking V, 63880C (2 October 2006); https://doi.org/10.1117/12.691610

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