Current aspects of optical performance monitoring and failure root cause analysis in optical WDM networks

Andreas Kirstaedter; Marc Wrage; Gernot Goeger; Wolfgang Fischler; Bernhard Spinnler

doi:10.1117/12.579499

11 February 2005 Current aspects of optical performance monitoring and failure root cause analysis in optical WDM networks

Andreas Kirstaedter, Marc Wrage, Gernot Goeger, Wolfgang Fischler, Bernhard Spinnler

Author Affiliations +

Proceedings Volume 5625, Optical Transmission, Switching, and Subsystems II; (2005) https://doi.org/10.1117/12.579499
Event: Asia-Pacific Optical Communications, 2004, Beijing, China

Abstract

Currently existing dense wavelength division multiplexing (DWDM) networks start to migrate from numerous point-to-point links towards meshed, transparent, optical networks with dynamically routed light paths. This increases the need for appropriate network monitoring and supervision methods. Optical performance monitoring (OPM) has to be cost-effective. Thus additional spendings for OPM have to be significantly smaller than the savings in OPEX due to increased reliability and ease of operation, administration, and maintenance (OAM). We elaborate on different advanced monitoring concepts. First, we discuss general failure scenarios in meshed networks. Then we describe software based failure root cause analysis and its implementation. We conclude that by implementing appropriate software algorithms in the network hardware effort can be significantly reduced. Finally, we assess different advanced OPM methods which may show up as useful to enable OPM in future optical networks.

Citation Download Citation

Andreas Kirstaedter, Marc Wrage, Gernot Goeger, Wolfgang Fischler, and Bernhard Spinnler "Current aspects of optical performance monitoring and failure root cause analysis in optical WDM networks", Proc. SPIE 5625, Optical Transmission, Switching, and Subsystems II, (11 February 2005); https://doi.org/10.1117/12.579499

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