Page 46 - Market Analysis Report of Optical Communications Field in China & Global market 2019
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         Open capability means a physical network that supports   services, which can effectively enhance the user experience
         multi-service integrated bearers and supports flexible   and stickiness, and create more value for operators.
         deployment of network resources according to different
         service needs. Building a flat network centered on data   3.Summary
         center, enabling efficient allocation and collaboration   ‘Internet +’, cloud computing and 5G have profoundly
         of resources between cloud networks is an embodiment    changed people’s life and strongly promoted social
         of network openness. The open interface, especially the   development. Emerging information technologies such
         opening of the SDN north-south interface, promotes the   as cloud computing, Internet of Things, big data, and
         decoupling of optical networks. The opening of interfaces   artificial intelligence will continue to lead us to a new
         drives the fundamental transformation of optical networks   era of intelligent information communication. Under
         from “hard pipes” to “flexible and open networks”.      the trend that global operators pay more attention to the
                                                                 improvement of user experience and generally carry out
         An open optical network is conducive to innovation in the   network reconstruction and transformation, the evolution to
         industry chain and technology, while reducing operator   intelligent optical network is also key for the development
         construction and operation and maintenance costs, and   of optical network.
         providing differentiated services to create new value.
                                                                 Intelligent optical network will have the characteristics
         2.4.On-demand                                           of “ubiquitous, ultra broad-band, open, on-demand”.
         All along, the closure of the network has made it impossible   The realization of these features is inseparable from the
         for users to obtain network resources and services      technological innovation of equipment manufacturers
         according to their needs, severely limits the development   and the operators’ concept of network construction
         of services and the improvement of user experience. Based   and operation and maintenance. Only the simultaneous
         on SDN, intelligent optical network realizes the separation   innovation in technology and concept, we can truly build
         of control plane and forwarding plane and centralized   the intelligent optical network and fully build the core
         control. Through the opening of network capabilities, users   competitiveness of operators in the basic network field.
         can obtain network resources and services as needed.
                                                                 Intelligent optical network has a broad development space
         The on-demand of the intelligent optical network is     and will lead the evolution of optical communication
         reflected in the flexible selection of the bearer mode,   industry into a new era. FiberHome will work with
         bandwidth, service path and protection level of the service   operators and industry partners to explore and research
         in the optical network, and timely adjustment and change   innovations in key technologies, business scenarios and
         according to requirements. The on-demand feature of the   business models for intelligent optical networks, and to
         optical network provides users with more customized     open a new era of intelligent optical networks.


         continuing from page 44
         demand for high-capacity links, G.654.E fiber will be is the   data center,400G and 400G beyond technology will become
         best choice to meet the requirements of cloud data center   the main technology choice of the core layer in backbone
         long distance interconnection transmission with large   network and the cloud data center interconnection.Y2019 is
         capacity for future high speed transmission.            the first year of 5G era, the novle G.654.E fiber is the most
                                                                 important link of transmission network construction, and
         4. Conclusions                                          cloudification data center interconnection.
         From the perspective of transmission technology,400G
         has the advantages of higher spectrum efficiency, lower   5.References
         unit bit cost and lower power consumption than 100G,    [1]  N. Bergano, OFC 2009, SubOptic 2010(2010)
         but it also faces the requirements of higher OSNR and   [2]  G. Charlet, ECOC 2010, paper We.8.F.1(2010)
         lower nonlinear effect brought by high-order modulation   [3]  V. Curri, A. Carena, and G. Bosco,et. “Fiber Figure of Merit
         system. Compared with the traditional G.652.D fiber,           Based on Maximum Reach,” OFC 2013, OTh3G.2 (2013)
         the  large  effective  area  G.654.E  fiber  has  a  lower   [4]  Shikui Shen et al.G.654.E Fibre Deployments in Terrestrial
         attenuation coefficient and a larger effective area, which          Transport System[C]. Optical Fiber Communication Confe-
         can significantly reduce the nonlinear effect of the fiber          rence, M3G.4, 2017.
         and improve the OSNR of the system, thus increasing the   [5]   http://www.cww.net.cn/article?id=447352&from=singlemes
         system’s unrelayed transmission distance, reducing the          sage & isappinstalled=0. [EB/OL].
         number of relay stations and reducing network delay.    [6]  Wanddong et al. FIELD TRIAL OF REAL-TIME SINGLE-
         The colorful mobile Internet and Internet of things industry          CARRIER AND DUAL-CARRIER 400G TERRESTRIAL
         put forward higher requirements and challenges to mobile          LONG-HAUL TRANSMISSION OVER G.654.E FIBER
         communication network. With the increasing transmission          [C].ECOC 2019 – 45th European Conference on Optical
         rate and capacity between the core network and the cloud          Communication, in press,2019.
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