Incorporating protection mechanisms in the dynamic multi-layer routing schemes

Authors:
Anna Urra;Eusebi Calle Ortega;Jose L. Marzo;Pere Vila
Affiliations:
Institute of Informatics and Applications, University of Girona, Girona, Spain;Institute of Informatics and Applications, University of Girona, Girona, Spain;Institute of Informatics and Applications, University of Girona, Girona, Spain;Institute of Informatics and Applications, University of Girona, Girona, Spain
Venue:
NETWORKING'07 Proceedings of the 6th international IFIP-TC6 conference on Ad Hoc and sensor networks, wireless networks, next generation internet
Year:
2007

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Abstract

In the next generation backbone networks, IP/MPLS over optical networks, the ability to maintain an acceptable level of reliability has become crucial since a failure can result in a loss of several terabits of data per second. Although routing schemes with protection exist, they generally relate to a single switching layer: either wavelength or packet switching oriented. This paper presents a new dynamic and multi-layer routing scheme with protection that considers cooperation between IP/MPLS and optical switching domains. A complete set of experiments proves that the proposed scheme is more efficient when compared to routing algorithms with full optical protection or full IP/MPLS protection.