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

@inproceedings{citeulike:1204167, 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.}, author = {Kirstaedter, Andreas and Wrage, Marc and Goeger, Gernot and Fischler, Wolfgang and Spinnler, Bernhard}, citeulike-article-id = {1204167}, citeulike-linkout-0 = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PSISDG005625000001000362000001&idtype=cvips&gifs=yes}, citeulike-linkout-1 = {http://link.aip.org/link/?PSI/5625/362}, citeulike-linkout-2 = {http://dx.doi.org/10.1117/12.579499}, citeulike-linkout-3 = {http://www.lkn.e-technik.tu-muenchen.de/~akirstaedter/papers/2004_APOC_OPM.pdf}, doi = {10.1117/12.579499}, editor = {Lam, Cedric F. and Gu, Wanyi and Hanik, Norbert and Oguchi, Kimio}, journal = {Optical Transmission, Switching, and Subsystems II}, keywords = {failure, monitoring, wdm}, number = {1}, pages = {362--373}, posted-at = {2007-04-03 14:01:55}, priority = {5}, publisher = {SPIE}, title = {Current aspects of optical performance monitoring and failure root cause analysis in optical WDM networks}, url = {http://dx.doi.org/10.1117/12.579499}, volume = {5625}, year = {2005} }

TY - CONF ID - citeulike:1204167 L3 - citeulike-article-id:1204167 N2 - 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. IS - 1 JF - Optical Transmission, Switching, and Subsystems II EP - 373 TI - Current aspects of optical performance monitoring and failure root cause analysis in optical WDM networks PB - SPIE VL - 5625 SP - 362 KW - failure KW - monitoring KW - wdm AU - Kirstaedter, Andreas AU - Wrage, Marc AU - Goeger, Gernot AU - Fischler, Wolfgang AU - Spinnler, Bernhard A2 - Lam, Cedric A2 - Gu, Wanyi A2 - Hanik, Norbert A2 - Oguchi, Kimio PY - 2005/// UR - http://dx.doi.org/10.1117/12.579499 ER -