| 摘要 |
A method for determining a link path and an unoccupied wavelength channel on the optical transmission links of said link path, for setting up a connection by means of at least one first and second network nodes within a transparent optical transmission system is provided. According to one embodiment of the method, a respective link weighting is determined for the wavelength channels of an optical transmission link, said weighting depending on the optical transmission link and on the considered wavelength channel. A connection cost value is also generated for each link path, which is available for the connection setup, and for the corresponding wavelength channel by evaluation of the at lest one link weighting and, for the connection setup, the link path with the corresponding wavelength channel, which has the minimum connection cost value, is selected.
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