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Global concurrent optimization: advantages and opportunities in flexgrid-based networks

Author
Castro, A.; Velasco, L.; Comellas, J.; Junyent, G.
Type of activity
Presentation of work at congresses
Name of edition
15th International Conference on Transparent Optical Networks
Date of publication
2013
Presentation's date
2013-06
Book of congress proceedings
2013 15th International Conference on Transparent Optical Networks (ICTON 2013): Cartagena, Spain, June 23-27, 2013
First page
Mo.C4.1-1
Last page
Mo.C4.1-4
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
DOI
https://doi.org/10.1109/ICTON.2013.6602714 Open in new window
Project funding
Enhanced optical networks featuring adaptable and highly scalable multi-granular transport services
Repository
http://hdl.handle.net/2117/104481 Open in new window
Abstract
In future flexgrid core networks the amount of lightpaths might increase significantly as a consequence of the finer granularity in the use of the optical spectrum. Different spectrum bandwidth can be allocated to each lightpath as a function of, among others, the bitrate amount to be conveyed and the modulation format used. As result, spectrum fragmentation might appear leading to non-optimal resource utilization. In addition, a failure in a fibre link could trigger hundreds, or even thousands,...
Citation
Castro, A., Velasco, L., Comellas, J., Junyent, G. Global concurrent optimization: advantages and opportunities in flexgrid-based networks. A: International Conference on Transparent Optical Networks. "2013 15th International Conference on Transparent Optical Networks (ICTON 2013): Cartagena, Spain, June 23-27, 2013". Cartagena: Institute of Electrical and Electronics Engineers (IEEE), 2013, p. Mo.C4.1-1-Mo.C4.1-4.
Keywords
Dynamic Bulk Restoration, Flexgrid Optical Networks, Spectrum defragmentation
Group of research
CCABA - Advanced Broadband Communications Center
GCO - Optical Communications Group

Participants