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OTN Solution for 100G Ring Network Transmission

Mar 01, 2024

Current Challenges Faced by the Customer



A certain internet company is grappling with the rapid growth of its data business. Their optical fiber resources are depleting too quickly, rendering their existing 40-channel 10G wavelength division system inadequate to meet their demands. Under these circumstances, traditional 10G transmission systems are evidently insufficient to support their data transmission requirements, and the customer urgently needs to upgrade to a higher-capacity transmission system to cope with the constantly increasing data traffic.



Reasons for Choosing OTN Transmission Solution



When facing the challenge of tremendous growth in data transmission demands, opting for an OTN (Optical Transport Network) solution is an ideal choice. OTN, as an efficient and flexible transmission technology, can meet customer needs while offering numerous advantages.
Firstly, OTN technology effectively aggregates multiple 10G signals into a single 100G OTN signal, significantly improving wavelength utilization. This aggregation method can greatly reduce the required optical fiber resources, thereby lowering costs.
Secondly, the OTN solution employs STN6800 equipment and utilizes cross-board cross-connection technology to achieve electrical cross-connections, greatly simplifying the operation of upper and lower network rings. This makes network management more flexible and convenient, better able to adapt to changing business demands.
Additionally, the OTN solution supports ring protection based on SNCP, ensuring the reliability and stability of data transmission. Even in the event of network faults or link failures, business continuity is guaranteed, ensuring uninterrupted user experience.
Lastly, the OTN solution also offers the advantage of flexible expansion. As business scales further, customers can easily expand network capacity as needed without the need for large-scale system replacement or reconstruction, saving time and costs.





Advantages of OTN Transmission Solution



Efficient Utilization of Optical Fiber Resources: By aggregating multiple 10G signals into a single 100G OTN signal, the utilization of optical fiber resources is significantly improved, reducing costs.
Flexible Electrical Cross-Connections: By utilizing cross-board cross-connection technology, electrical cross-connections are achieved, simplifying network management operations and enhancing flexibility and convenience.

Reliable Ring Protection Mechanism: Supports ring protection based on SNCP, ensuring the reliability and stability of data transmission, guaranteeing business continuity.
Flexible Expansion Capability: As business scales, network capacity can be flexibly expanded as needed without large-scale system replacement, saving time and costs.



Related Products



The Sino-Telecom's access and metropolitan optical transport network (OTN) products consist of client-side cards, line-side cards, and main control cross-connect cards. The main function of client-side cards is to map various user signals to corresponding OTN containers (Optical Channel Payload Unit – OPUk and Optical Data Unit – ODUk) using internationally standardized mapping methods. These customer-side OTN containers are cross-connected to the line-side OTN containers through the OTN cross-connect matrix on the main control cross-connect card.
Small-capacity OTN containers on line-side cards (e.g., 1.25G ODU0 containers) can enter large-capacity OTN containers (e.g., 10G ODU2 containers) through standard multiplexing methods. The remultiplexed large-capacity containers are then transmitted externally through the ports of the line-side cards. Each level of OTN container is equipped with corresponding overhead to achieve configuration, alarm, and performance monitoring functions.



  • 1U OTN Box
  • Hot-swappable OTN System