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Impact of Elastic Optical Paths That Adopt Distance Adaptive Modulation to Create Efficient Networks Tatsumi TAKAGI Hiroshi HASEGAWA Ken-ichi SATO Yoshiaki SONE Akira HIRANO Masahiko JINNO Publication IEICE TRANSACTIONS on Communications Vol.E95-B No.12 pp.3793-3801 Publication Date: 2012/12/01 Online ISSN: 1745-1345 DOI: 10.1587/transcom.E95.B.3793 Print ISSN: 0916-8516 Type of Manuscript: PAPER Category: Fiber-Optic Transmission for Communications Keyword: elastic optical path network, distance adaptive modulation, routing and spectrum assignment, network design, Full Text: PDF>>
Summary: We propose optical path routing and frequency slot assignment algorithms that can make the best use of elastic optical paths and the capabilities of distance adaptive modulation. Due to the computational difficulty of the assignment problem, we develop algorithms for 1+1 dedicated/1:1 shared protected ring networks and unprotected mesh networks to that fully utilize the characteristics of the topologies. Numerical experiments elucidate that the introduction of path elasticity and distance adaptive modulation significantly reduce the occupied bandwidth. | |||||
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