US Patent Issued to NTT on Feb. 10 for "Wavelength defragmentation apparatus, wavelength defragmentation method and program" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,272, issued on Feb. 10, was assigned to NTT Inc. (Tokyo).

"Wavelength defragmentation apparatus, wavelength defragmentation method and program" was invented by Hanami Yokoi (Tokyo), Kojun Koshiji (Tokyo), Yasuharu Kaneko (Tokyo), Tatsuya Matsukawa (Tokyo), Mika Ishizuka (Tokyo) and Takafumi Hamano (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wavelength defragmentation apparatus for executing wavelength reallocation for a path in an optical transmission network, the wavelength defragmentation apparatus comprising: a storage unit that stores a path information database (DB) and a wavelength allocation management DB; and a wavelength defragm...