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Recent Advances in Elastic Optical Networking

Takafumi TANAKA, Masahiko JINNO
2014 IEICE transactions on communications  
, and for the latter, two key enabling technologies are discussed: elastic transponders/regenerators and gridless optical switches.  ...  For the former, we focus on the efficient elastic network design technology related to routing and spectrum assignment (RSA) of elastic optical paths including network optimization or standardization activities  ...  Acknowledgment This work was partly supported by the National Institute of Information and Communication Technology (NICT) under the R&D of Elastic Optical Networking Technologies.  ... 
doi:10.1587/transcom.e97.b.1252 fatcat:y3v4epfb5nekndq2vzyb3skvku

Impairment-aware routing in translucent spectrum-sliced elastic optical path networks

Song Yang, Fernando Kuipers
2012 2012 17th European Conference on Networks and Optical Communications  
In this paper we study the impairment-aware dynamic routing and subcarrier allocation problem in translucent SLICE networks.  ...  We propose an impairment-aware routing algorithm that tries to balance traffic flows evenly across the network to reduce the blocking probability.  ...  CONCLUSIONS We have proposed a load-aware and impairment-aware algorithm for SLICE optical networks. Our algorithm is designed to operate with dynamic traffic.  ... 
doi:10.1109/noc.2012.6249946 fatcat:uyjvvri2h5bbfmwesb4rqzqqle

The Recent Contributions of Routing and Spectrum Assignment Algorithms in Elastic Optical Network (EON)

2020 VOLUME-8 ISSUE-10, AUGUST 2019, REGULAR ISSUE  
The Elastic Optical Networks (EONs) recently added an energetic research field in the fiber-optic network.  ...  In WDM, the Routing and Wavelength Assignment (RWA) is problem, likewise the EON has Routing and Spectrum Assignment (RSA) problem.  ...  The Recent Contributions of Routing and Spectrum Assignment Algorithms in Elastic Optical Network (EON) An efficient network route path scheduling and dynamic spectrum allocation provide benefits from  ... 
doi:10.35940/ijitee.c8197.019320 fatcat:isddpjbzqjbsvijltf2or3l7re

Dynamic Multi-Modulation Allocation Scheme for Elastic Optical Networks [article]

Lucas R. Costa, André C. Drummond
2020 arXiv   pre-print
Elastic optical path networks require the routing, modulation level, and spectrum allocation (RMLSA) to efficiently allocate optical spectrum resources to optical paths.  ...  To meet these challenges, the emergence of Elastic Optical Networks (EON) has brought new conceptions in the operation of optical networks, improving flexibility and efficiency for the next generation  ...  Dynamic Multi-Modulation Allocation Scheme for Elastic Optical Networks Lucas R. Costa and André C.  ... 
arXiv:2002.03838v1 fatcat:riiarsiuxrd2fn74wlm3hk5u54

Cross-layer enabled translucent optical network with real-time impairment awareness

Oscar Pedrola, Balagangadhar G. Bathula, Michael S. Wang, Atiyah Ahsan, Davide Careglio, Keren Bergman
2012 2012 IEEE Global Communications Conference (GLOBECOM)  
We investigate the impact of real-time impairment aware routing in a CLONE-enabled optical network with subwavelength switching.  ...  In this work, we introduce a Cross-Layer Optical Network Element (CLONE) used for the dynamic management of physical layer impairments in the network.  ...  Moreover, we also show that the network of CLONES can dynamically adapt to timevarying PLIs and take decisions on-the-fly to re-route, drop or regenerate optical packet flows, resulting in improved network  ... 
doi:10.1109/glocom.2012.6503555 dblp:conf/globecom/PedrolaBWACB12 fatcat:slak7hn5qzc4bmasagiw7zzwu4

Dynamic Routing, Spectrum, and Modulation-Format Allocation in Mixed-Grid Optical Networks

Tanjila Ahmed, Sabidur Rahman, Sifat Ferdousi, Massimo Tornatore, Abhijit Mitra, Bijoy Chatterjee, Biswanath Mukherjee
2020 Journal of Optical Communications and Networking  
In this study, we propose a new algorithm, called Mixed-grid-aware Dynamic Resource Allocation (MDRA), to solve the route, spectrum, and modulation-format allocation (RSMA) problem in a mixed-grid network  ...  Traditional algorithms for dynamic resource assignment in EON will not effectively be applicable in a mixedgrid network due to inter-operability issues among fixed and flex-grid nodes.  ...  Therefore, we propose a "mixed-grid-aware" algorithm for a novel solution to the dynamic RSMA problem in a mixed-grid network. PROBLEM STATEMENT AND SOLUTION STRATE-GIES A.  ... 
doi:10.1364/jocn.378370 fatcat:g4pxupb4i5emlk2uklsqrwhfzu

Service Provisioning with Energy-Aware Regenerator Allocation in Multi-Domain EONs

Jing Zhu, Xiaoliang Chen, Di Chen, Shilin Zhu, Zuqing Zhu
2015 2015 IEEE Global Communications Conference (GLOBECOM)  
of routing, modulation and spectrum assignment (RMSA) and regenerator allocation.  ...  As multi-domain elastic optical networks (EONs) can enhance network scalability, extend service reach, and accommodate the inter-operability issues, it is very relevant to consider them in practical network  ...  INTRODUCTION It is known that flexible-grid elastic optical networks (EONs) allow network operators to manage optical spectra more adaptively without being constrained by the fixed spectral grids [1]  ... 
doi:10.1109/glocom.2015.7416966 fatcat:aebvahraxbhpzcppkkw4j5tdkq

Service Provisioning with Energy-Aware Regenerator Allocation in Multi-Domain EONs

Jing Zhu, Xiaoliang Chen, Di Chen, Shilin Zhu, Zuqing Zhu
2014 2015 IEEE Global Communications Conference (GLOBECOM)  
of routing, modulation and spectrum assignment (RMSA) and regenerator allocation.  ...  As multi-domain elastic optical networks (EONs) can enhance network scalability, extend service reach, and accommodate the inter-operability issues, it is very relevant to consider them in practical network  ...  INTRODUCTION It is known that flexible-grid elastic optical networks (EONs) allow network operators to manage optical spectra more adaptively without being constrained by the fixed spectral grids [1]  ... 
doi:10.1109/glocom.2014.7416966 dblp:conf/globecom/ZhuCCZZ15 fatcat:2q3l36z5kvd2plim2dp72w57fu

Artificial intelligence (AI) methods in optical networks: A comprehensive survey

Javier Mata, Ignacio de Miguel, Ramón J. Durán, Noemí Merayo, Sandeep Kumar Singh, Admela Jukan, Mohit Chamania
2018 Optical Switching and Networkning Journal  
Then, applications related to optical network control and management are also reviewed, including topics like optical network planning and operation in both transport and access networks.  ...  This paper presents a comprehensive review of the application of AI techniques for improving performance of optical communication systems and networks.  ...  Acknowledgment This work has been partially supported by the Spanish Ministry of Economy and Competitiveness (TEC2014-53071-C3-2-P, TEC2015-71932-REDT).  ... 
doi:10.1016/j.osn.2017.12.006 fatcat:i443tt6fv5g2jmvfe7kn57unbq

Spectrum-efficient and agile CO-OFDM optical transport networks: architecture, design, and operation

Gangxiang Shen, Moshe Zukerman
2012 IEEE Communications Magazine  
It is important to develop more accurate impairment-aware lightpath routing and spectrum allocation algorithms for the CO-OFDM optical transport network.  ...  [12] evaluated the impact of lightpath routing algorithm on the spectrum allocation, and found that adaptive routing algorithm can improve optical network spectral efficiency.  ... 
doi:10.1109/mcom.2012.6194386 fatcat:3ghafw374rfmlavbtmmrepq2ue

A survey on physical layer impairments aware routing and wavelength assignment algorithms in optical networks

Siamak Azodolmolky, Mirosław Klinkowski, Eva Marin, Davide Careglio, Josep Solé Pareta, Ioannis Tomkos
2009 Computer Networks  
The physical layer impairments and related classification in optical networks are initially presented followed by physical layer impairments (PLI) constrained and aware RWA algorithms.  ...  In translucent architectures a small amount of regeneration (e.g. optical-electronic-optical conversion) is available in the network.  ...  Acknowledgements The work described in this paper was carried out with the support of the BONE-project (''Building the Future Optical Network in Europe"); a Network of Excellence funded by the European  ... 
doi:10.1016/j.comnet.2008.11.014 fatcat:jlkqgqupzjetjbr7ssl7y4jyyy

Dynamic grooming, routing, and wavelength assignment for real-time optical networks

Xu Wang, Maite Brandt-Pearce, Suresh Subramaniam
2013 2013 IEEE Global Communications Conference (GLOBECOM)  
We first propose an extended Dijkstra shortest path algorithm to solve GRWA for dynamic network while considering regeneration, quality of transmission (QoT), mixed-line-rate (MLR) and traffic grooming  ...  One of the major problems facing optical networking is to intelligently assign physical resources such as lightpaths and regenerators to connection requests, namely the grooming, routing and wavelength  ...  ACKNOWLEDGMENT This work was supported in part by NSF grants CNS-0915795 and CNS-0916890.  ... 
doi:10.1109/glocom.2013.6831421 dblp:conf/globecom/WangBS13 fatcat:42nbvb75bvg2ffznc5ccyzwxrm

Cross-Layer Approaches for Planning and Operating Impairment-Aware Optical Networks

Josep Sole-Pareta, Suresh Subramaniam, Davide Careglio, Salvatore Spadaro
2012 Proceedings of the IEEE  
This paper presents some recent developments in cross-layer approaches for planning and operating impairment-aware optical networks; included are associated challenges, comparative analysis with some solutions  ...  Such challenges require the use of cross-layer approaches, which involve dynamic interactions between the physical layer and the network layer to enable the compensation for mismatching of requirements  ...  The online IA-RWA module of NPOT utilizes the multiparametric IA-RWA algorithm [29] for the route and wavelength assignment.  ... 
doi:10.1109/jproc.2012.2185669 fatcat:3qlwvx2eaja5xg5jzoe3cgu7ky

Investigation of cost, power, and spectral efficiency in fixed- and flexi-grid networks

Sridhar Iyer, Shree Prakash Singh
2017 Journal of Communications and Information Networks  
Thus, for Internet sustainability, it will be necessary to ensure cost and power efficiency in optical networks.  ...  The aims of this study are (i) to identify the main sources of cost and power consumption in fixed-grid (SLR and MLR) and flexi-grid (OFDM) optical networks, and (ii) to compare techniques for improving  ...  With the elasticity of the flexi-grid network, long distances of few network routes are adjusted owing to the various formats and rates of subcarrier modulation, offering maximum TR.  ... 
doi:10.1007/s41650-017-0032-8 fatcat:q4to3vt66jdphisflwhvedpojm

Spectrum management techniques for elastic optical networks: A survey

Sahar Talebi, Furqan Alam, Iyad Katib, Mohamed Khamis, Reda Salama, George N. Rouskas
2014 Optical Switching and Networkning Journal  
Other key technologies include distance-adaptive modulation, bandwidth-variable transponders and flexible spectrum selective switches; for a recent survey of optical OFDM and related technologies, and  ...  In Sections 5 and 6 we examine and categorize solution approaches based on distance-adaptive RSA (DA-RSA) and fragmentation-aware RSA (FA-RSA), respectively.  ... 
doi:10.1016/j.osn.2014.02.003 fatcat:mqatv3meubfqxdjn7xikdlsbnm
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