Backbone network9/19/2023 ![]() The optical layer is used for the pass-through of large-granularity traffic and is most effective in reducing electrical-layer costs. In addition to architecture changes, there are two key points to consider in the construction of 3D-Mesh backbone networks, as follows:įirst is the collaboration of optical transport network (OTN) and the optical layer. This achieves the best protection of investment and the fastest and most optimal ROI. 3D-Mesh backbone network construction allows funds to be used where they are needed the most, and new links are established only for congested links. As a result, the resource utilization of the entire network becomes unbalanced and the required investment amount remains high. Although this relieves the traffic on the most congested links, it also unnecessarily expands the capacity of links with idle bandwidth. When capacity is insufficient, a new ring network is deployed on the old ring network. Traditional backbone networks are ring networks. The biggest advantage of this solution over the traditional solution for capacity expansion is that it maximizes network resource utilization. The widespread acceptance of this solution is clear from its deployment in China, India, and Europe, in national backbone networks and in metro core networks. 3D-Mesh backbone networks emerged only a few years ago, but are developing rapidly. They are now widely deployed in major cities around the world and are common in large- and medium-sized cities. Similarly, congestion, latency, and reliability are also problems for backbone networks. In addition, driving safety is enhanced by the adoption of multiple lanes, minimizing investment amounts without affecting existing traffic. Multi-plane construction at congested roads resolves traffic congestion, shortening driving time. Overpasses are used to avoid highway congestion. The primary difference between them is that the highways carry vehicle flows and backbone networks carry information flows. Both highways and backbone networks are types of bearer networks. The concept of 3D-Mesh network construction is not new, and has been widely applied to highways. Can an optimally designed network architecture be used to resolve these problems and reduce required investment amounts?ģD-Mesh Design Resolves Congestion ProblemsģD-Mesh backbone network is the solution to network congestion, and is the direction towards which existing backbone networks are evolving. Research shows that traffic on backbone networks is unevenly distributed, and that it is heavy in some areas and light in others. ![]() This growth puts huge pressure on backbone networks.Īs a result, an important goal for transmission network development is quickly resolving these traffic problems by using the lowest possible investment amount. In China, for example, in the last ten years, backbone network traffic has maintained an average annual growth rate of 47%. It performs especially well in hilly areas.The rapid development of video, 5G, and cloud services has led the annual compound growth rate of global backbone network traffic to reach over 40%. This cost-effective solution is seamlessly integrated with our IP/MPLS routers, which simplifies installation, management and operations. The Nokia Wavence microwave transport solution is optimized to provide point-to-point or point-to-multipoint wireless IP backhaul for all equipment placed along the tracks, including GSM-R base stations.The 1830 PSS also makes it possible to introduce new bandwidth-intensive applications to the backbone or resell bandwidth capacity to generate new revenue. The Nokia 1830 Photonic Service Switch (1830 PSS) can help you smoothly migrate your legacy SDH/SONET optical infrastructure to a modern DWDM optical transport network.It enables you to make a smooth migration to IP while maintaining full interoperability with critical legacy TDM-based applications and services. Our IP/MPLS portfolio provides a comprehensive suite of routers and switches designed to meet the needs of multiple services with resiliency, security, traffic segmentation and high quality of service.The solution lets you combine the capabilities of our market-leading IP, optical and microwave products to build a mission-critical railway backbone network that interconnects your rail infrastructure, links all facilities reliably and delivers information when and where it’s needed. ![]()
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