Data Center Networking Market Size & Share 2026-2035

Data Center Networking Market Size

The global data center networking market was valued at USD 64.2 billion in 2025. The market is expected to grow from USD 70.7 billion in 2026 to USD 236.7 billion in 2035 at a CAGR of 14.4%, according to latest report published by Global Market Insights Inc.

Deployment of the artificial intelligence ecosystem has now emerged as the main driver behind the growth of the data center networking market. Major global hyperscale cloud players such as Microsoft, Amazon Web Services, Google Cloud, and Meta are spending billions of dollars on building AI factories and GPU clusters, which require ultra-low latency networking fabrics. AI clusters are using 400G/800G Ethernet, InfiniBand, and highly scalable switching solutions to interconnect large numbers of GPUs. The structural change in demand will be the biggest factor for driving market growth, contributing 3.8 % towards the forecast CAGR.^{[1]IEEE ComSoc Technology Blog, techblog.comsoc.org} With the emergence of a number of generative AI applications and large language models, there has been an increase in demand for bandwidth, which has been contributing to the growth of the market.

With the growth of public cloud, hybrid cloud, and Software as a Service (SaaS) platforms, there has been accelerated investment in scalable data center networks. There is the migration of mission-critical workloads from on-premises IT infrastructure to cloud-native environment. For such workloads, companies are looking for high end switching and routing solutions, along with intelligent traffic management solutions and software defined networking solutions. This driver contributes an estimated +3.2% to the CAGR. According to industry experts, cloud adoption among enterprises is growing worldwide, and this encourages cloud service providers and colocation service providers to scale up their networks.

The migration toward next-generation Ethernet technologies is accelerating network infrastructure upgrades across data centers. Higher bandwidth requirements from AI, cloud computing, and high-performance computing workloads are driving adoption of 400G and 800G Ethernet solutions. Ethernet currently accounts for approximately 70.6% of connectivity deployments within data center networks, while Converged Fabric solutions hold around 23.7% market share and are projected to grow at a 15.4% CAGR.^{[2]IEEE Spectrum, spectrum.ieee.org} The transition to higher-speed networking technologies enables lower latency, improved scalability, and more efficient data movement, supporting overall market expansion. This technology.

Rising popularity of edge computing, Industrial Internet of Things (IIoT), autonomous applications, and 5G networking services is driving the adoption of distributed data center networking infrastructures all over the world. More enterprises have been setting up distributed data centers to reduce latency, real-time processing, and responsiveness of applications involved in AI inference, smart manufacturing, autonomous cars, and healthcare systems. Due to the enormous amount of data generated by billions of connected devices, there has been increased spending by networking providers on intelligent edge switches, software-defined networking solutions, secure routers, and automation networks. This driver contributes an estimated +1.9% to the CAGR.^{[3]GSMA Intelligence, gsma.com}

SDN and network disaggregation technologies are revolutionizing the design of today’s data center through increased flexibility, scalability, and efficiency. Organizations and hyperscale cloud service providers have started to decouple network hardware from software, which leads to flexible and vendor-independent network architectures that decrease Capex costs and help avoid vendor lock-in. Open networking solutions like SONiC, AI driven network orchestration and intent-based networking solutions are driving adoption of technology within cloud computing environments. The rising need for automated network provisioning, traffic optimization and multicloud networking is anticipated to drive investments in SDN controllers and network automation systems during the forecast period

Data Center Networking Market Trends

Migration from 100G towards 400G, and in some cases 800G Ethernet, is currently on the rise globally. Although 400G is still considered the best solution for network infrastructure upgrades, 800G Ethernet has become a preferred alternative for AI-focused facilities and GPU clusters.

The rise of increased bandwidth demands for AI computing, cloud computing, and other performance-intensive applications has led companies to invest in future-proofing their switching and routing solutions and implementing advanced optical networking infrastructures.

Due to increased demand in the number of AI and high-performance workloads, companies are now making significant investments in interconnection technologies, specifically ultra-low latency, high-bandwidth networking fabrics, which are able to effectively serve distributed compute environments, GPU clusters, and high-performance computing (HPC) and machine learning (ML)/artificial intelligence (AI) applications.

Software-defined networking has become an essential element in data center infrastructure due to the need for flexible, automated, and scalable networks. Businesses and cloud service providers are starting to adopt software-defined networking platforms that allow them to implement dynamic traffic control, fast network provisioning, better resource management, and multi-cloud integration.

There is an increasing incorporation of artificial intelligence within network operations, which helps to automate configuration, monitoring, traffic engineering, and fault management. The AI-based networking platforms enable predictive maintenance, adaptive routing, and performance optimization, allowing operators to simplify operations while increasing the efficiency and reliability of networks.

Increasing capital expenses of cloud providers that operate on a large scale contribute to constant demand for improved networking infrastructure. The massive expenses in creating AI-enabled data centers, cloud services, and GPU clusters imply the need for highly scalable switching and optical connectivity. As the number of hyperscale facilities continues to grow worldwide, the networking suppliers benefit from such development.

The four largest US cloud service providers Microsoft, Amazon, Google, and Meta collectively committed nearly USD 300 billion in capital expenditure in 2025 alone. Microsoft's fiscal 2025 allocation exceeded USD 80 billion, with the majority directed toward US data center construction and AI GPU cluster expansion; the company has guided toward USD 190 billion for 2026. Global data center electricity consumption represents one of the fastest-growing components of industrial energy demand, with AI workloads accounting for a disproportionate share of the increase a structural dynamic tracked by the International Energy Agency in its annual energy outlook.^{[4]International Energy Agency (IEA), iea.org}

Data Center Networking Market Analysis

Based on component, the data center networking market is divided into hardware, software and services. The hardware segment dominated the market, accounting for 71% in 2025 and is expected to grow at a CAGR of 13.9% through 2026 to 2035

• The rising use of AI and machine learning workloads is prompting a surge in the demand for high-performance networking hardware. High-end GPU clusters are increasingly requiring advanced switches, routers, network interface cards (NICs), and optical transceivers that can provide ultra-low latency and high bandwidth. As investments in AI infrastructure are rapidly picking up momentum worldwide, networking hardware spending is steadily increasing both at hyperscale and enterprise levels.
• Upgrade to 400G and 800G Ethernet standards is creating an important upgrade cycle for networking hardware. Data centers are upgrading their legacy networking hardware to advanced switches, routers, and optical modules, which will improve their network performance and scalability while contributing to an increase in hardware demand.
• Fast expansion of hyperscale data centers is prompting investments in networking hardware infrastructure. Providers of cloud services need to purchase huge amounts of switches, routers, cables, optical interconnects, and NICs in order to expand their data center capacities. As hyperscalers keep building new data center facilities and expanding existing campuses, networking hardware purchasing makes a huge contribution to market growth.
• Growing penetration of cloud computing and SaaS solutions is boosting demand for scalable network infrastructure. Companies that are shifting their computing resources to public clouds and hybrid clouds need large-scale network hardware to cope with ever-increasing traffic volumes and workload of applications. As a result, there is an increasing deployment of switching devices, high-speed interconnect solutions, and network infrastructure updates in global data centers.
• Deployment of edge computing facilities is presenting networking hardware companies with new opportunities. Enterprises are setting up small data centers in close proximity to end users in order to support low-latency applications, industrial automation systems, and IoT infrastructures. Such data centers need efficient switches, routers, optical solutions, and other connectivity devices. Thus, new demand for hardware emerges outside traditional centralized data centers.
• Growing efforts to modernize data center facilities boost replacement cycles for outdated network infrastructure. Companies are investing in modernization of their existing networks in order to increase their efficiency, reliability, security, and energy performance. Utilization of advanced switching solutions, high-capacity routers, intelligent NICs, and next generation optical solutions drives the development of the market of data center networking hardware.

• The rising trend of open architecture of networking is also facilitating the growth of Ethernet in data centers. Disaggregation of network components by companies is becoming more popular due to vendor lock-in issues and lower expenses on infrastructure, and Ethernet becomes the ideal choice to create such new networks due to its standardization and ecosystem.
• Rising popularity of advanced storage solutions contributes to increased use of Ethernet as a medium of choice for networking. With current workloads that require fast access to storage arrays, it becomes necessary to have high-speed, low latency network connection between servers and storage arrays. For example, with the growing adoption of NVMe over TCP technology, Ethernet usage is also growing.
• The increasing trend of containerized applications and microservices is also contributing to Ethernet's growth in data centers. Applications that are built with modern architectures produce a lot of east-west traffic between servers, and it requires reliable and effective way to communicate in the network. Ethernet becomes an ideal choice to provide such functionality.
• Growth in data center sustainability programs is promoting the use of Ethernet. Current Ethernet switches and networking systems offer enhanced power efficiency per gigabit of data throughput. With operators working towards reducing energy consumption and ensuring sustainable operations, Ethernet is an important aspect of the upgrading and optimization of data center infrastructure.
• Increased deployment of colocation data centers is providing new avenues for Ethernet networking systems. The requirement of colocation data centers to cater to diverse workload types, different cloud platforms, and varied performance needs makes Ethernet networks a necessary choice since it offers easy connectivity and flexibility between tenants and service providers. This is why Ethernet networking systems are the primary networking technologies used in colocation data centers globally.
• Growth in the need for network visibility and analysis is fueling investments in advanced Ethernet infrastructure. Companies need more visibility in their application performance and network operations. Advanced Ethernet infrastructure provides features such as telemetry, network visibility, and automation.

Based on data center, the data center networking market is segmented into enterprise, hyperscale, edge, and colocation. The hyperscale segment dominates the market, accounting for 38% share in 2025, and the segment is expected to grow at a CAGR of 15.5% from 2026 to 2035

• The fast growth of generative AI and training of large language models leads to construction of bigger and more networked data centers. Such data centers need to have a huge amount of east-west data traffic capacity to accommodate a multitude of GPUs and accelerators. As AI clusters grow, the need for high-performance networking in a hyperscale environment becomes higher.
• The demand for cloud computing, storage, and digital services is growing, which prompts expansion of the global data center footprint of cloud service providers. The building of new hyperscale data centers requires the installation of switches, routers, optical interconnections, and network management systems. Continuous expansion of capacity by major cloud providers creates demand for data center networking solutions.
• Multi-region cloud architecture leads to growing needs for networking within hyperscale facilities. Modern enterprises require high availability, disaster recovery, and low latency of their applications across many geographical locations. Therefore, operators of hyperscale facilities need high-capacity backbone networks and interconnection technologies that allow smooth data exchange between data centers.
• AI Factory and AI Infrastructure Campuses are leading to another hyperscale networking need that is different from what we have seen in traditional cloud-based networks. In contrast to conventional cloud setups, networks in AI facilities need to have ultra-fast bandwidth fabric connectivity designed for inter-communication between accelerators. This trend is resulting in more investments in advanced Ethernet networking, optical networking, and high-density switch networking.
• The increase in video streams, digital content distribution, and real-time online services is fueling the growth of hyperscale data centers. Providers of these services will always need to scale up their infrastructure owing to increasing demands of their users.

Based on end use, the market is segmented into BFSI, energy, government, healthcare, manufacturing, IT & telecommunications, retail & e-commerce, media & entertainment, and others. IT & telecommunications segment dominates the market, accounting for around 34% share in 2025.

• The fast-growing traffic in mobile data and 5G network rollouts have increased the need for investments into the infrastructure of networking of data centers in the telecommunication industry. Telecommunications companies have been growing their data center capacity to enable network virtualization, edge computing, and real-time services. This has led to the increased need for advanced infrastructure of switching, routing, and optical networking to handle increased traffic.
• Telecommunication companies have been quick to adopt the cloud-based architecture of networks. Many functions that are carried out through dedicated hardware are being virtualized in the cloud-based architecture of the data centers. The virtualized network functions require an advanced networking infrastructure that is scalable and has low latency.
• The growing use of Software-as-a-Service (SaaS), unified communications, and digital collaboration has been growing traffic in the IT service providers. In order to ensure good performance of applications, the operators have to invest in networking infrastructure that has greater capacity.
• The growing presence of content delivery networks (CDNs) and digital media players is contributing to an increase in networking demand in the information technology and telecommunications industries. Streaming providers, gaming, and digital media companies need high connectivity data centers for offering low latency experiences. With more consumption of content all around the world, more networking investment keeps increasing.

North America dominated the data center networking market with around 38% share and generated USD 24.4 billion in revenue in 2025. North American cloud providers are rapidly expanding AI-focused data center capacity to support generative AI, machine learning, and high-performance computing workloads.

• Top cloud players are consistently making efforts in building new hyperscale centers and expanding their existing campuses across North America. As the adoption of cloud services is growing among enterprises, the need for scalable network architectures with increased capacity, mobility, and multi-regional connectivity is emerging. The consistent development of cloud infrastructure will continue to drive the demand for switching, routing, and network management technologies in the region.
• North American data center owners are increasingly upgrading their old networking infrastructure to the 400G/800G Ethernet technology. The increased demands on bandwidth coming from the rise of AI, cloud, and data-driven applications are forcing enterprises to invest in the advanced networking hardware and optical connectivity solutions. The move towards advanced networking technologies is expected to be a major growth driver in the forecast period.
• The increasing number of edge computing centers and 5G networks is pushing the demand for distributed networking infrastructures. Telecommunications companies and enterprises are developing regional data centers to enable low-latency applications, real-time analytics, and connected devices ecosystem. The emergence of decentralized computing architecture is opening new opportunities for data center networking vendors in North America.
• Hybrid and multi-cloud architecture implementations have grown in popularity among organizations seeking flexibility, resilience, and improved operational efficiencies. Such architecture implementations require secure and high bandwidth networking solutions that allow for seamless connectivity within private infrastructure, public cloud computing providers, and edge data centers. With the proliferation of multi-cloud implementations, there will be substantial growth in spending on advanced data center networking technology.
• A large number of data center owners in North America are undertaking infrastructure upgrades to enhance performance, improve security, and increase efficiency in energy usage. Modern switch solutions, optical networking solutions, and SDN environments have become a necessity to address the emerging digital workloads.

The data center networking market in Europe is projected to grow at a strong CAGR of over 14% from 2026 to 2035. Growing deployment of edge computing infrastructure is driving investments in distributed networking solutions across Europe.

• More sovereign clouds and data center localization projects in Europe have made investments in data center infrastructure in the region go up. Governments and corporations are favoring data localization in order to satisfy new requirements regarding data privacy and sovereignty. The infrastructure for such data centers has to be built with an eye to the high-performance network architecture that would make cloud services possible. Demand for networking technologies that could be used in the region will rise along with the spread of sovereign clouds in Europe.
• Investments into sustainable and energy-efficient data centers are leading to modernization of networks in Europe. Next-generation networking equipment, which provides better throughput at lower power consumption levels, is being installed by the operators of data centers in Europe. The regulators' emphasis on energy efficiency makes the deployment of such equipment more popular among operators of data centers. There are great chances for the networking vendors operating in Europe.
• Increasing investments in energy-efficient and sustainable data centers are driving the upgrade of networks in Europe. Next-generation networking technologies which are aimed at enhancing performance while minimizing energy usage and operating expenses are being introduced. The growing concern of the authorities for the issue of energy efficiency leads to more use of advanced switches, optical connectivity, and intelligent network management systems. This process creates many new opportunities for networking companies that offer products to European data center providers.
• The increasing application of artificial intelligence and high-performance computing applications leads to the growing need for high-speed networking infrastructure. Enterprises, universities, and cloud service providers install AI-enabled data centers that are able to handle massive data processing and modeling tasks. Such data centers need fast and high capacity networking to enable efficient data transfer.
• Increasingly, cross-border data transfers and digital services have resulted in increasing demand for interconnection infrastructure in Europe. There are increasing needs for interconnection and connectivity between multiple countries, cloud providers, and co-location centers. This has led to increased investments in high bandwidth networks and optical connectivity infrastructure by operators. Increased digitalization in European markets will ensure that data center networking continues to grow.

Asia Pacific data center networking market reached over USD 13 billion in 2025. Now give me 6 unique growth driver of 75 words each for Europe market.

• Building up hyperscale data centers in the Asia Pacific region is fueling the need for networking infrastructure that can perform at high levels. Internet and regional cloud players are scaling up their operations in order to meet the increasing uptake of the cloud and artificial intelligence as well as digitization of their services. They require significant amounts of high bandwidth switching and routing capabilities, as well as optical interconnects, which is likely to drive the purchase of networking infrastructure.
• Internet usage, together with consumption of digital services, is fueling network traffic in the region’s data centers. Increasing adoption of video-streaming services, e-commerce, online gaming, and digital payment solutions is creating a need for enhanced network infrastructure. This is likely to drive growth in the market in the coming years.
• The roll out of 5G throughout Asia Pacific is opening up new market opportunities for data center networking vendors. The telecom operators are making network investments to accommodate increased data traffic, low-latency capabilities, and ecosystem of connected devices. This situation calls for strong connectivity between core and edge data centers. As adoption of 5G continues in various major markets in the region, the need for sophisticated networking solutions is anticipated to grow.
• Increased government spending in digital infrastructure and smart economy strategies is promoting the establishment of data centers in the region. The national schemes that aim at facilitating cloud adoption, artificial intelligence, digital public services, and innovation in technology are prompting the construction of new data center facilities. These will need modern networking infrastructures to cope with the digital workloads.

Data Center Networking Market Share

• The top 7 companies in the data center networking industry are Arista Networks, Cisco, Dell Technologies, Extreme Networks, Hewlett Packard Enterprise (HPE), Huawei Technologies, and Juniper Networks, contributing around 42% of the market in 2025.
• The competitive position of Arista Networks is being enhanced due to AI-powered networking solutions, high-performing Ethernet switches, and cloud scale data centers architecture. The company is increasing its EOS software ecosystem, automation options, and AI networking capabilities in response to hyperscale and enterprise demands. Competitive advantage of 400G and 800G Ethernet installations and AI infrastructure partnerships allow the company to compete effectively in the rapidly changing data centers market.
• Cisco Systems is competing in the market thanks to integration of networking, security, and observability into one platform approach. The firm invests heavily into infrastructure ready for AI, high-performing switches and software defined networking solutions. Thanks to automation, intent-based networking and AI operations, the company provides enterprises and cloud providers with better networking performance and scalability in increasingly complex data centers environment.
• Data Center Networking solutions provided by Dell Technologies are expanding due to AI-optimized Infrastructure, open networking and data center platforms. The company's emphasis on scalability of the networking architectures to support cloud, AI, and high-performance computing workloads allow the company to offer end-to-end networking solutions.
• Differentiation for Extreme Networks includes cloud-managed networking, AI analytics, and network automation. In addition, the firm continues to invest in its software-driven networking portfolio to deliver increased visibility, performance, and ease of operations. Advanced switching platforms, intelligent network management solutions, and service models have made it possible for Extreme Networks to compete with other major networking companies in the industry.
• Through the expansion of HPE Aruba Networking portfolio and AI-based infrastructure, Hewlett Packard Enterprise (HPE) is positioning itself to serve the needs of the evolving market. HPE is continuing to develop solutions for automation, network security, and cloud-native management platforms in order to simplify operations for its customers. The company's strategy focuses on integrated networking solutions that help customers to deploy edge computing, private cloud, and AI workloads.
• The competitiveness of Huawei Technologies is based on continued investments in high-performance switches, optical networks, and AI ready data centers. The company's goal is to develop high-capacity networking platforms to support cloud computing, hyperscale deployments, and digital transformations. Due to the large-scale R&D operations and the increasing number of products, Huawei Technologies remains a leading vendor in the global data center networking infrastructure market.
• AI-driven networking, automation, and cloud-based operations are among the key areas that Juniper Networks intends to exploit in order to strengthen its competitive edge. The company has been continuing to develop an ever-growing range of highly performing switches, routers, and software solutions that suit contemporary data centers. Through utilizing AI in networking and performance optimization, Juniper enables its customers to streamline processes and become more reliable.

Data Center Networking Market Companies

Major players operating in the data center networking industry are:

• Arista Networks
• Broadcom
• Cisco
• Dell
• Extreme Networks
• Hewlett Packard Enterprise (HPE)
• Huawei Technologies
• Juniper Networks
• Marvell Technology
• NVIDIA
• The data center networking market is highly competitive, with leading vendors focusing on AI-ready networking infrastructure, high-speed Ethernet technologies, and software-driven network management platforms. Companies such as Arista Networks, Cisco, HPE, Huawei, Juniper Networks, Dell, and Extreme Networks are investing heavily in 400G and 800G Ethernet switching, optical interconnects, automation software, and cloud-scale networking architectures. Competition is increasingly centered on delivering low-latency, high-bandwidth solutions capable of supporting hyperscale cloud environments, AI clusters, and data-intensive enterprise workloads.
• Market participants are also differentiating themselves through AI-powered network operations, software-defined networking (SDN), and integrated security capabilities. Strategic partnerships with cloud providers, semiconductor manufacturers, and AI infrastructure developers have become critical for expanding market presence. In addition, vendors are pursuing acquisitions, portfolio expansion, and subscription-based software offerings to strengthen recurring revenue streams. As demand for cloud computing, AI infrastructure, and edge deployments continues to rise, innovation, scalability, and automation remain key competitive factors shaping the market landscape.

Data Center Networking Industry News

• Jul 2025: Hewlett Packard Enterprise closes its USD 13.4 billion acquisition of Juniper Networks, creating a comprehensive AI-native networking portfolio spanning campus, data center, and service provider segments; HPE commits to growing its combined networking business as a primary alternative to Cisco across enterprise and cloud markets.

• Mar 2025: Cisco announces Cisco Secure AI Factory with NVIDIA, offering enterprises and neoclouds a validated framework for deploying AI infrastructure from GPU cluster to edge with integrated networking, security, and management across Cisco Silicon One and NVIDIA Spectrum-X hardware.

• Jan 2025: Microsoft announces commitment of USD 80 billion in AI-enabled data center construction for fiscal year 2025, with more than half allocated to US facilities; hyperscale networking procurement for 800G fabrics accelerates across all major US markets.

• Oct 2025: EU Energy Efficiency Directive (Directive 2023/1791) sustainability reporting obligations for data centers take effect, requiring annual disclosure of energy consumption, water use, renewable energy share, and waste-heat reuse metrics from all EU data center operators with IT power demand above 500 kW.

• Oct 2024: NVIDIA introduces the Quantum-X800 InfiniBand platform, delivering 800 Gb/s per port and sub-500 nanosecond fabric latency for large-scale AI training cluster interconnect, establishing a new performance benchmark for AI back-end networking.

• Sep 2024: Ouribank, a leading Brazilian financial institution, deploys HPE Juniper Networking and NEC Enterprise Network Services across its data center and campus infrastructure, implementing AI-native networking with automated troubleshooting to support digital banking expansion.

The data center networking market research report includes in-depth coverage of the industry with estimates & forecasts in terms of revenue ($ Mn/Bn) and volume (units) from 2022 to 2035, for the following segments:

Click here to Buy Section of this Report

Market, By Component

• Hardware
  • Switches
    • Ethernet Switches
    • InfiniBand Switches
    • Fibre Channel Switches
  • Routers
  • Network Interface Cards (NICs) & Offload Hardware
  • Application Delivery Controllers (ADC)
  • Storage Area Network (SAN) Equipment
  • Firewalls & Network Security Equipment
  • Load Balancers
• Software
  • Network Operating Systems (NOS)
  • SDN Controllers & Network Orchestration Platforms
  • Network Management, Monitoring & Analytics Software
• Services
  • Managed services
  • Professional services

Market, By Network Technology

• Ethernet
• InfiniBand
• Fibre Channel
• Converged Fabric (FCoE & Others)

Market, By Data Center

• Enterprise
• Hyperscale
• Edge
• Colocation 

Market, By End Use

• BFSI
• Energy
• Government
• Healthcare
• Manufacturing
• IT & Telecommunications
• Retail & E-commerce
• Media & Entertainment
• Others

Market, By Organization Size

• Large Enterprises
• SME

The above information is provided for the following regions and countries:

• North America
  • US
  • Canada
• Europe
  • UK
  • Germany
  • France
  • Italy
  • Spain
  • Russia
  • Nordics
• Asia Pacific
  • China
  • India
  • Japan
  • South Korea
  • Southeast Asia
    • Indonesia
    • Malaysia
    • Singapore
    • Thailand
    • Vietnam
  • ANZ
• Latin America
  • Brazil
  • Mexico
  • Argentina
• MEA
  • South Africa
  • Saudi Arabia
  • UAE