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In transparent optical networks, the signal transmission is degraded by optical layer physical impairments. Therefore, lightpaths may be blocked due to unacceptable quality of transmission (QoT). Among physical impairments, polarization mode dispersion (PMD) is a detrimental effect which has stochastic characteristics. Moreover, PMD depends on time-variant factors, such as the temperature and the...
In GMPLS optical networks, the label (i.e., wavelength) selection process can be accomplished in a dynamic and distributed way by the RSVP-TE signalling protocol. In wavelength-continuous networks, the concurrent selection of the same label by distinct reservation attempts may lead to a connection blocking. In wavelength- convertible networks, the selection of a distinct label on each link may lead...
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