FIELD: information technologies.
SUBSTANCE: specified invention relates to the optical interconnection and is intended for traffic protection if completely optical net. Technology of compact submultiplexing along length of waves is applied in method and device. Submultiplexing segments number, on which system waves length are divided, is defined according current conditions of protected and unprotected traffic distribution in network. Specified device contains, at least, one wave composer from each point side and optical protection module and executed protection function of submultiplexing segments optical level, meets traffic requirements with multi-access, optimises usage of system recourses.
EFFECT: system capacity improvement with satisfying fractional traffic protection.
6 cl, 11 dwg
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