{"title":"A survey on challenges of Spatial Division Multiplexing enabled elastic optical networks","authors":"Ítalo Brasileiro, Lucas Costa, André Drummond","doi":"10.1016/j.osn.2020.100584","DOIUrl":null,"url":null,"abstract":"<div><p><span><span>Elastic Optical Networks (EON) emerge as a viable solution to support the current growing demand for bandwidth. With the application of multi-core fibers (MCF) in EON links, it is possible to increase the availability of </span>spectral resources and explore the spatial dimension. An EON network with MCF enables Space-Division Multiplexing (SDM), allowing the use of more resources in fibers and increasing the capacity of attending circuit requests. However, the use of SDM brings some problems of interference between the circuits in fiber, with greater emphasis on inter-core </span>crosstalk interference. In this survey, some important concepts around EON are presented, along with the characterization of SDM supporting equipment. The impact of crosstalk interference between fiber cores is discussed, with the elements responsible for its occurrence. The Routing, Modulation, Spectrum, and Core Allocation (RMSCA) problem is also characterized, and some solutions currently found in the literature are evaluated. The goal is to show the performance of different allocation techniques, in terms of the circuit blocking ratio. This survey is concluded with an evaluation of the state-of-art, and a presentation of the main challenges found from a systematic review of the related literature.</p></div>","PeriodicalId":54674,"journal":{"name":"Optical Switching and Networking","volume":"38 ","pages":"Article 100584"},"PeriodicalIF":1.9000,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.osn.2020.100584","citationCount":"26","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Optical Switching and Networking","FirstCategoryId":"94","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1573427720300461","RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"COMPUTER SCIENCE, INFORMATION SYSTEMS","Score":null,"Total":0}
引用次数: 26
Abstract
Elastic Optical Networks (EON) emerge as a viable solution to support the current growing demand for bandwidth. With the application of multi-core fibers (MCF) in EON links, it is possible to increase the availability of spectral resources and explore the spatial dimension. An EON network with MCF enables Space-Division Multiplexing (SDM), allowing the use of more resources in fibers and increasing the capacity of attending circuit requests. However, the use of SDM brings some problems of interference between the circuits in fiber, with greater emphasis on inter-core crosstalk interference. In this survey, some important concepts around EON are presented, along with the characterization of SDM supporting equipment. The impact of crosstalk interference between fiber cores is discussed, with the elements responsible for its occurrence. The Routing, Modulation, Spectrum, and Core Allocation (RMSCA) problem is also characterized, and some solutions currently found in the literature are evaluated. The goal is to show the performance of different allocation techniques, in terms of the circuit blocking ratio. This survey is concluded with an evaluation of the state-of-art, and a presentation of the main challenges found from a systematic review of the related literature.
期刊介绍：
Optical Switching and Networking (OSN) is an archival journal aiming to provide complete coverage of all topics of interest to those involved in the optical and high-speed opto-electronic networking areas. The editorial board is committed to providing detailed, constructive feedback to submitted papers, as well as a fast turn-around time.
Optical Switching and Networking considers high-quality, original, and unpublished contributions addressing all aspects of optical and opto-electronic networks. Specific areas of interest include, but are not limited to:
• Optical and Opto-Electronic Backbone, Metropolitan and Local Area Networks
• Optical Data Center Networks
• Elastic optical networks
• Green Optical Networks
• Software Defined Optical Networks
• Novel Multi-layer Architectures and Protocols (Ethernet, Internet, Physical Layer)
• Optical Networks for Interet of Things (IOT)
• Home Networks, In-Vehicle Networks, and Other Short-Reach Networks
• Optical Access Networks
• Optical Data Center Interconnection Systems
• Optical OFDM and coherent optical network systems
• Free Space Optics (FSO) networks
• Hybrid Fiber - Wireless Networks
• Optical Satellite Networks
• Visible Light Communication Networks
• Optical Storage Networks
• Optical Network Security
• Optical Network Resiliance and Reliability
• Control Plane Issues and Signaling Protocols
• Optical Quality of Service (OQoS) and Impairment Monitoring
• Optical Layer Anycast, Broadcast and Multicast
• Optical Network Applications, Testbeds and Experimental Networks
• Optical Network for Science and High Performance Computing Networks
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