TY - GEN
T1 - Dynamic physical impairment-aware routing and wavelength assignment in 10/40/100 Gbps mixed line rate optical networks
AU - Balasis, Filippos
AU - Wang, Xin
AU - Xu, Sugang
AU - Tanaka, Yoshiaki
N1 - Copyright:
Copyright 2014 Elsevier B.V., All rights reserved.
PY - 2014
Y1 - 2014
N2 - The growing global Internet traffic will inevitably lead to a serious upgrade of the current optical networks' capacity. Instead of upgrading the data rate of each wavelength in every fibre link across the entire optical WDM network infrastructure, it is more efficient and cost-effective to support different data rates within one fibre link (e.g., 10, 40 and 100 Gbps). This is called optical network with mixed line rates (MLR). Moving to higher than 10 Gbps data rates that can be used within the same fibre requires the implementation of phase modulation schemes. Nevertheless, the co-existing OOK channels cause a critical physical impairment to the phase modulated channels, namely cross-phase modulation (XPM), that limits the network's performance. In order to mitigate this type of impairment a more sophisticated physical impairment aware routing and wavelength assignment scheme needs to be adopted. In this paper, the critical impairment for each data rate and the way it affects quality of transmission (QoT) is presented. Secondly, QoT aware RWA schemes for a MLR optical network are presented and evaluated in terms of performance through simulations.
AB - The growing global Internet traffic will inevitably lead to a serious upgrade of the current optical networks' capacity. Instead of upgrading the data rate of each wavelength in every fibre link across the entire optical WDM network infrastructure, it is more efficient and cost-effective to support different data rates within one fibre link (e.g., 10, 40 and 100 Gbps). This is called optical network with mixed line rates (MLR). Moving to higher than 10 Gbps data rates that can be used within the same fibre requires the implementation of phase modulation schemes. Nevertheless, the co-existing OOK channels cause a critical physical impairment to the phase modulated channels, namely cross-phase modulation (XPM), that limits the network's performance. In order to mitigate this type of impairment a more sophisticated physical impairment aware routing and wavelength assignment scheme needs to be adopted. In this paper, the critical impairment for each data rate and the way it affects quality of transmission (QoT) is presented. Secondly, QoT aware RWA schemes for a MLR optical network are presented and evaluated in terms of performance through simulations.
KW - ASE
KW - Mixed Line Rate
KW - Optical Network XPM
KW - Physical Impairment
KW - RWA
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U2 - 10.1109/ICACT.2014.6779192
DO - 10.1109/ICACT.2014.6779192
M3 - Conference contribution
AN - SCOPUS:84899014900
SN - 9788996865032
T3 - International Conference on Advanced Communication Technology, ICACT
SP - 343
EP - 351
BT - 16th International Conference on Advanced Communication Technology
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 16th International Conference on Advanced Communication Technology: Content Centric Network Innovation!, ICACT 2014
Y2 - 16 February 2014 through 19 February 2014
ER -