Title :
Monitoring Trail: A New Paradigm for Fast Link Failure Localization in WDM Mesh Networks
Author :
Bin Wu ; Ho, Pin-Han ; Yeung, Kwan L.
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Waterloo, Waterloo, ON
Abstract :
We consider optical layer monitoring schemes for fast link failure localization in WDM mesh networks. A new concept monitoring trail (m-trail) is proposed. It differs from the existing monitoring cycle (m-cycle) concept by removing the cycle constraint. As a result, m-trail provides a more flexible all-optical monitoring structure which includes simple, non-simple m-cycles and open trails as special cases. Aiming at minimizing the total monitoring cost, an integer linear program (ILP) is formulated for m-trail design. Numerical results show that the m-trail based scheme significantly outperforms its m-cycle based counterpart.
Keywords :
integer programming; linear programming; optical fibre networks; wavelength division multiplexing; WDM mesh network; all-optical monitoring; fast link failure localization; integer linear program; m-trail design; monitoring trail; nonsimple m-cycles; optical layer monitoring; Computerized monitoring; Condition monitoring; Costs; Mesh networks; Optical fiber communication; Optical fiber networks; Optical receivers; Transceivers; WDM networks; Wavelength division multiplexing;
Conference_Titel :
Global Telecommunications Conference, 2008. IEEE GLOBECOM 2008. IEEE
Conference_Location :
New Orleans, LO
Print_ISBN :
978-1-4244-2324-8
DOI :
10.1109/GLOCOM.2008.ECP.519
