en.Wedoany.com Reported - On June 11, Russian telecom operator Megafon deployed a backbone line based on compact 400G transceivers to connect its data centers in Moscow. The line utilizes compact high-speed optical transceivers provided by Russian company Neoros, increasing single-channel capacity to 400G, which can quadruple transmission capacity and reduce network construction costs in data center interconnection scenarios.

This is a typical data center interconnection upgrade line.

With the growth of cloud services, video services, mobile internet, enterprise private lines, and AI computing tasks, the pressure on data exchange between operator data centers continues to rise. In the past, when using lower-rate optical modules, expanding capacity often required adding more ports, boards, chassis, and fiber resources, which simultaneously increased space, power, and operational costs. The value of compact 400G transceivers lies in carrying more traffic with higher single-port rates, enabling capacity upgrades on the same backbone link without significantly increasing physical resources.

Megafon's decision to deploy this line between its Moscow data centers first aligns with the logic of operator network evolution. Data centers in the capital region typically host core services, enterprise customers, content distribution, cloud services, and high-concurrency data exchanges. Insufficient bandwidth between nodes can affect user access latency, service scheduling efficiency, and disaster recovery synchronization capabilities. After the backbone line capacity is upgraded, operators can more quickly allocate traffic across data centers, providing a more stable underlying channel for mobile networks, fixed broadband, enterprise ICT services, and digital platforms.

Neoros' role is also noteworthy. The company is a Russian developer and manufacturer of optoelectronic equipment, with products covering active and passive optical communication devices, and production capabilities for NRZ, PAM4, coherent DCO transceivers, AAWG multiplexers, and DWDM and XPON-related equipment. Its public materials indicate that the company supplies high-speed optical communication equipment to telecom operators, banks, data centers, government agencies, and other organizations.

In the current Russian telecommunications industry environment, the entry of domestic high-speed optical modules into operator backbone lines holds significant supply chain implications. High-speed transceivers are key components in optical network upgrades, affecting not only bandwidth capacity but also equipment compatibility, power consumption, heat dissipation, reliability, and subsequent maintenance costs. 400G products can play a role in data center interconnection, metropolitan backbone networks, cloud-network integration, and high-capacity transmission. If deployment expands further, it will increase the proportion of Russian local optical communication equipment used in core networks.

This type of upgrade is not a "new plan" that users can immediately perceive, but it determines whether the backend network can support higher traffic volumes.

For the information and communication technology industry chain, Megafon's 400G backbone line will drive demand for high-speed optical modules, switching and routing equipment, wavelength division multiplexing systems, data center interconnection equipment, test instruments, network monitoring platforms, and operational services. Especially against the backdrop of AI computing and cloud business growth, data centers require greater bandwidth for model data, backup data, service mirroring, and real-time traffic scheduling. If operators upgrade their backbone interconnection capabilities in advance, they will have a stronger foundation for subsequently supporting enterprise cloud, edge computing, and high-bandwidth dedicated line services.

Key points to watch going forward include the operational stability of this Moscow line, the adaptability of 400G transceivers over longer distances and with more nodes, whether Megafon will replicate the solution to data centers in other cities, and whether Neoros can achieve batch delivery of high-speed optical modules. If the first line performs as expected, Russian operator backbone networks and data center interconnections will continue to move toward high-density, low-cost, and localized equipment routes. This also indicates that competition in information and communication infrastructure is not only reflected in 5G base stations and terminal services but also in the invisible high-speed optical network capabilities between data centers.

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