Data Center Interconnect Companies - Ciena Corporation (US) and Huawei Technologies Co., Ltd. (China)
The global data center interconnect market is projected to grow from USD 15.38 billion in 2025 to USD 25.89 billion by 2030, at a CAGR of 11.0%.
The growth of the data center interconnect (DCI) market will also be driven by the increasing need for secure, high-speed data transfer across geographically dispersed enterprise data centers and the rising demand for low-latency connectivity in content delivery networks. In addition to these drivers, the integration of Software-Defined Networking (SDN) and Network Function Virtualization (NFV) enables more agile, automated, and scalable interconnect solutions. These advancements are speeding up the deployment of dynamic, cost-efficient DCI architectures that meet the evolving needs of enterprises and service providers worldwide.
Major Data Center Interconnect Companies Include:
- Ciena Corporation (US)
- Huawei Technologies Co., Ltd. (China)
- Cisco Systems, Inc. (US)
- Nokia (Finland)
- Juniper Networks, Inc. (US)
Key companies working in the data center interconnect market include Ciena Corporation (US), Huawei Technologies Co., Ltd. (China), Cisco Systems, Inc. (US), Nokia (Finland), and Juniper Networks, Inc. (US). These companies are expanding their presence by launching high-capacity optical transport solutions, improving SDN capabilities, and forming strategic partnerships with cloud and colocation providers. They are also investing in developing open, programmable, and interoperable DCI solutions to support multi-vendor environments and speed up global deployments.
Ciena Corporation (US)
Ciena Corporation is a leading global provider of networking hardware, software, and services that enable improved network capacity, service delivery, and automation for a diverse range of customers, including communications service providers, cloud and content operators, submarine network operators, and enterprises. The company's portfolio is rooted in its vision of the Adaptive Network, which uses programmable infrastructure, software control, analytics, and automation to build intelligent, agile, and scalable networks. Ciena's main business segments include Networking Platforms, Platform Software and Services, Blue Planet Automation Software and Services, and Global Services. The Networking Platforms segment—essential for Data Center Interconnect (DCI) applications—includes its Optical Networking and Routing & Switching portfolios. Key solutions such as the 6500 Packet-Optical Platform, Waveserver interconnect platforms, and Reconfigurable Line System (RLS) support ultra-high-capacity, low-latency interconnects across long-haul, metro, and subsea environments.
Huawei Technologies Co., Ltd. (China)
Huawei Technologies Co., Ltd. is a leading global provider of information and communications technology (ICT) solutions. The company offers a competitive ICT portfolio with end-to-end solutions in telecom and enterprise networks, devices, and cloud technology and services. It operates through five segments: ICT Infrastructure Business, Consumer Business, Cloud Computing Business, Digital Power Business, and Intelligent Automotive Solution Business. In the DCI market, Huawei’s product range includes its OptiXtrans optical transport systems, especially the OptiXtrans DC908, which supports high-throughput and ultra-low-latency connections between data centers. Huawei is expanding its presence in the data center interconnect (DCI) market with end-to-end solutions that combine high-speed optical transport systems and intelligent management platforms. For example, in June 2025, Huawei launched its F5G-A series in Thailand at the Huawei Thailand Digital & AI Summit 2025, featuring lossless DCI products with fgOTN dual-mode, 50G PON OLTs, Wi-Fi 7 optical APs, and the EF3000-F05 perimeter inspection device. These innovations support the deployment of "optical + AI" technologies, providing advanced, high-performance solutions for industrial digital transformation.
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Market Ranking
The data center interconnect (DCI) market is consolidated, with leading companies including Ciena Corporation (US), Huawei Technologies Co., Ltd. (China), Cisco Systems, Inc. (US), Nokia (Finland), and Juniper Networks, Inc. (US) collectively holding about 49% to 57% of the total market share. These companies operate in a highly competitive environment driven by technological innovation, global network reach, and comprehensive DCI solution offerings. Although several niche players exist, the top vendors maintain their dominance through ongoing investments in optical transport innovation, strategic partnerships with hyperscalers and telecom providers, and strong capabilities in automation, programmability, and scalability of interconnect infrastructure. Their focus on developing high-bandwidth, low-latency, and software-defined solutions is vital for supporting global cloud expansion and multi-site data center connectivity.
Ciena Corporation is leading in DCI with advanced coherent optics and Blue Planet software for intelligent automation. Huawei Technologies highlights high-capacity DCI systems and AI-powered network management, especially in Asia and emerging markets. Cisco Systems is growing its footprint with integrated DCI networking platforms and strong enterprise partnerships. Nokia uses its WaveFabric solution and optical innovations to serve hyperscalers and carriers. Juniper Networks emphasizes automation-driven DCI products through its PTX series and integration with SDN-based architecture.
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