Title :
Enforcing QoT via PCE in Multi Bit-Rate WSONs
Author :
Sambo, Nicola ; Cugini, Filippo ; Secondini, Marco ; Iovanna, Paola ; Bottari, Giulio ; Castoldi, Piero
Author_Institution :
Scuola Superiore Sant´´Anna, Pisa, Italy
fDate :
4/1/2011 12:00:00 AM
Abstract :
Due to network upgrades, in centralized wavelength switched optical networks (WSONs), path computation element (PCE) has to guarantee the coexistence of different bit-rates in the same WSON. In particular, considering cross-phase modulation (XPM) is a challenging issue in multi bit-rate networks. In this paper, we propose three schemes based on PCE to provision lightpaths in multi bit-rate (e.g., 10-40-100-Gb/s) WSONs.
Keywords :
optical fibre networks; optical modulation; optical switches; phase modulation; bit rate; centralized wavelength switched optical network; cross-phase modulation; multibit-rate wavelength switched optical network; path computation element; quality of transmission; Bit error rate; Joining processes; Optical fiber networks; Optical wavelength conversion; Phase modulation; Telecommunication traffic; 100 Gbit/s; PCE; WSON; XPM;
Journal_Title :
Communications Letters, IEEE
DOI :
10.1109/LCOMM.2011.021111.102248
