Resilience in multilayer networks

Authors:
P. Demeester;M. Gryseels;A. Autenrieth;C. Brianza;L. Castagna;G. Signorelli;R. Clemenfe;M. Ravera;A. Jajszczyk;D. Janukowicz;K. Van Doorselaere;Y. Harada
Affiliations:
IMEC, Ghent Univ.;-;-;-;-;-;-;-;-;-;-;-
Venue:
IEEE Communications Magazine
Year:
1999

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Abstract

The integration of different technologies such as ATM, SDH, and WDM in multilayer transport networks raises many questions regarding the coordination of the individual network layers. Especially in the area of network survivability, much can be gained by a better alignment of the healing actions taken by different network layers in case of outages. Survivability issues encountered in a multilayer environment include, among others: how to identify the original failure cause, how to appoint for each failure a layer responsible for its healing, how to let different layers interwork, and how to provide spare resources in an efficient way