The data center interconnect (DCI) market focuses on technologies and solutions that connect multiple data centers over short, medium, or long distances. These products enable data replication, workload mobility, resource sharing, and business continuity.
The data center interconnect market size was valued at USD 9.28 billion in 2024. The market is expected to reach USD 34.42 billion by 2034 at a CAGR of 14.2% from 2025 to 2034. Rapid adoption of digitization and edge computing drives the market growth. Also, the proliferation of cloud-native applications contributes to the data center interconnect market growth. Surging requirement for disaster recovery leads to the demand for data center interconnect solutions. The growing penetration of edge computing and 5G services is expected to propel the market expansion.
Data Center Interconnect Market Players and Competitive Landscape
The data center interconnect market is witnessing intense competition. The competition is fueled by the increasing digital transformation and growing cloud adoption. Also, it is driven by rising demand for high-speed, secure data transfer between data centers. Key players in this market are focusing on innovation and energy efficiency. These strategies help them gain a competitive advantage. Players are investing in automation, advanced optical technologies, and software-defined networking. These steps are being adopted to provide efficient and flexible DCI solutions. A few of the major key players in the data center interconnect industry include Cisco Systems, Inc.; Juniper Networks, Inc.; Broadcom Inc.; Arista Networks, Inc.; Nokia Corporation; Huawei Technologies Co., Ltd.; Mellanox Technologies (now part of NVIDIA); Ciena Corporation; Extreme Networks, Inc.; Fujitsu Limited; IBM Corporation; Infinera Corporation; Adtran; and ZTE Corporation.
Overview of Key Data Center Interconnect Market
Adtran
Adtran was established in 1985 and is headquartered in Huntsville, Alabama, USA. The company offers FSP 3000 that connects data centers with compact, high-speed, power-efficient, and optical transport. It facilitates open optical transport with OLS configurations, high-density terminals, streaming telemetry APIs for scalable, energy-efficient DCI connecting hyperscalers securely.
Cisco Systems, Inc.
Cisco Systems, Inc. is a global company operating in networking and IT infrastructure. Cisco Systems delivers innovative solutions that power the internet and enterprise networks. The company provides high-performance solutions that enable secure, seamless, and scalable connectivity between data centers. Cisco NCS 2000 Series offers optical transport capabilities for metro and long-haul networks. Cisco's DCI solutions support high bandwidth, low latency, and automation features. These benefits make the solutions ideal for enterprises, cloud environments, and service providers.
Arista Networks, Inc.
Arista Networks, Inc. was established more than 20 years ago. Arista Networks leads in data-driven, client-to-cloud networking for large AI, campus, data center, and routing environments. On July 1, 2025, Arista Networks announced several AI-driven enterprise products that deliver an expanded set of switching, Wi-Fi 7 access point, and WAN capabilities.
IBM
IBM, a global technology company, offers solutions in cloud computing, artificial intelligence (AI), and IT infrastructure. Its product lineup includes servers, software, storage systems, and hybrid cloud platforms like IBM Cloud and Red Hat OpenShift. The company also provides networking and data management tools. In the DCI area, IBM allows smooth data transfer and workload mobility. IBM Cloud Direct Link provides secure, high-speed connections between on-premises data centers and IBM Cloud environments.
Broadcom Inc.
Broadcom was established in 1961 and is headquartered in Palo Alto, California, USA. The company provides data center solutions with a portfolio of network, server, and storage connectivity solutions. It offers ethernet switch, Fibre Channel SAN switch and HBA, controller and PHY to custom ASIC, SSD/HDD controller, optical transceiver components, and NVMe/SAS/SATA/PCIe storage connectivity. Broadcom’s solutions empower data centers with data-driven network.
Ciena Corporation
Ciena offers adaptive networks that support rising bandwidth demand. With its interconnects, networking systems, automation software, and services, the company revolutionizes the segment of data transmission and network management. Ciena offers coherent optics with performance optimized and footprint optimized solutions. These solutions fit any DCI application space. They are designed for simple use. They are used for scalable and tailored to each network’s needs.
Extreme Networks, Inc.
Extreme Networks was founded in 1996 in California. The company offers AI-enabled cloud networking. It focuses on delivering simple and secure solutions. The solutions facilitate connections among applications, devices, and users. Its portfolio includes flexible architectures such as VXLAN/EVPN and Shortest Path Bridging (SPB). They offer customized solutions as per customer requirements.
Fujitsu Limited
Fujitsu Limited was established in 1935 and is headquartered in Tokyo, Japan. The company’s data center interconnect (DCI) solutions deliver the speed, economy, capacity, and reach. They offer high-volume, high-integrity transport between data centers. It offers 1FINITY platform, network control, 1FINITY Ulta Optical System, 5G Radio Units, Smart xHaul, and Network Planning and Design products.
Huawei Technologies Co., Ltd.
Huawei Technologies was established in 1987 and is headquartered in Shenzhen, China. The company provides OptiXtrans DC908 WDM systems, iLossless AI Fabric, and CloudWAN. In February 27, 2024, Huawei launched the Huawei OptiXtrans DC908 Pro at MWC Barcelona 2024. It is a platform for DCI. The platform ensures the secure, efficient, and stable transmission of data between data centers (DCs).
ZTE Corporation
ZTE Corporation is established in 1985 and is headquartered in Shenzhen, China. The company offers DCI solutions through ZXONE 7000 C2C cassette OTN devices. The ZXONE 7000, a box-type ultra-100G OTN product, is designed for data center interconnection. ZXONE 7000 supports B100G system applications. It meets the interconnection needs of ultra-large-capacity data centers
To Conclude
DCI market players adopt strategic partnerships and mergers and acquisitions to expand their market presence. These strategies also help them enhance technological capabilities. Growing demand for AI, IoT, and big data influences the market landscape. Integration of these technologies prompts vendors to deliver solutions with higher bandwidth and lower latency. Competitive differentiation majorly relies on reliability and performance. It depends on the ease of integration into hybrid cloud environments.