en.Wedoany.com Reported - Recently, Indonesian digital infrastructure company Biznet deployed US-based Ciena's WaveLogic 5 Extreme technology on the international link of its Biznet Nusantara Cable System-1 submarine cable, providing 400G high-speed service capabilities for inter-island connectivity between Java, Sumatra, and Bangka Island. This project also enhances connection capacity between local and global networks, offering higher bandwidth support for Indonesia's internet access, data centers, cloud services, and cross-border digital businesses.
The upgrade of BNCS-1 comes amid rapid growth in data traffic in Southeast Asia, where inter-island network quality has become a foundational condition for the digital economy. Indonesia, consisting of numerous islands, has long faced challenges in digital infrastructure construction, including geographical dispersion, high costs of building cross-sea links, and uneven regional network quality. By deploying Ciena's coherent optical transmission technology on the submarine cable's international link, Biznet aims to improve spectral efficiency and link carrying capacity, making data transmission between different islands more stable and providing higher-capacity network channels for enterprise users, home broadband users, cloud platforms, video services, and data centers. For operators building data centers, artificial intelligence hubs, and cloud businesses, submarine cables are no longer just basic transmission channels but have become core infrastructure connecting local computing power, regional traffic, and international gateways.
The deployment also includes the Ciena 6500 platform, with Ciena's service team and its partner Terrabit Networks jointly supporting design and implementation, helping integrate BNCS-1 with Biznet's existing fiber network. Biznet also uses the Ciena Navigator Network Control Suite for network control, planning, and automated management, reducing manual configuration steps and improving service provisioning efficiency.
The significance of the submarine cable system upgrade lies in its direct impact on Indonesia's inter-island network capacity ceiling and international gateway capabilities. As video streaming, cloud computing, enterprise leased lines, cross-border e-commerce, online education, remote work, and AI applications continue to grow, network bottlenecks increasingly appear in backbone transmission and cross-regional aggregation layers. 400G coherent optical transmission technology can enhance single-link carrying capacity on existing fiber resources, helping operators delay the pressure of large-scale new link construction while reducing per-bit transmission costs. The Java, Sumatra, and Bangka Island areas covered by BNCS-1 connect regions with concentrated populations, industries, and digital service demands in Indonesia. After the link capacity upgrade, it will facilitate stable operation of more local content, cloud services, and enterprise applications within the region, while also strengthening international connectivity in the Batam-Singapore direction.
The subsequent effects of this project will depend on the pace of 400G service activation, the release of inter-island business demand, data center customer access, and the growth rate of international traffic. For Indonesia's telecommunications network market, Biznet's high-capacity upgrade of BNCS-1 demonstrates that submarine cables are transitioning from mere connectivity facilities to the foundation of the digital economy. For optical communication equipment companies, Southeast Asia's island-type markets will remain important application scenarios for coherent optical transmission, network automation, and cross-border gateway expansion.
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