1. What Is the Core Network Market?
The Core Network Market covers the centralised network infrastructure including packet gateways, session management functions, policy control, user authentication, and subscriber data management. These manage the service sessions of mobile subscribers, route their data traffic to the internet, and apply the quality of service and charging policies. They orchestrate the service delivery for the millions of simultaneous connections that a mobile operator serves across their national network. The 5G core architecture defined by 3GPP Release 15 and above replaces the 4G Evolved Packet Core with a service-based architecture. Network functions including the Access and Mobility Management Function, Session Management Function, User Plane Function, and Policy Control Function communicate through standardised HTTP/2 and JSON APIs. These enable the cloud-native deployment, microservices decomposition, and third-party service exposure that the 5G core enables beyond the rigid 4G EPC interfaces. The 5G core capability to expose network functions to enterprise developers through the Network Exposure Function and the 3GPP network slice subnet management creates the programmable network API. Application developers can use this to reserve network resources, query terminal location, and guarantee quality of service for enterprise applications that require network interaction beyond best-effort internet connectivity.
2. Core Network Market Size & Forecast
3. Emerging Technologies
- Service-based architecture in 5G enables any authorised network function to discover and invoke any other network function through the service-based interface using standard HTTP/2 APIs. This eliminates the point-to-point interface definition that the 4G EPC required for each function pair. It simplifies the addition of new network capabilities and third-party function integration without bilateral interface negotiation.
- Cloud-native 5G core deployment on Kubernetes container orchestration platforms uses Helm chart-based deployment automation. Ericsson Cloud Packet Core and Nokia 5G Core use this to deploy microservices-decomposed network functions. The auto-scaling, rolling upgrade, and self-healing capabilities that cloud infrastructure provides cannot be achieved by monolithic physical appliance core deployments.
- User plane function deployment at the edge in multi-access edge computing platforms routes the latency-sensitive application traffic of local users to the edge server. This avoids the round trip to the central UPF that adds 10 to 30 milliseconds of latency. The edge-deployed UPF brings packet processing closer to the radio access network for the ultra-low-latency applications that 5G URLLC serves.
- Network exposure function as the 5G programmable API gateway enables enterprise application developers to access network capabilities including precise terminal location, quality of service commitment, and device reachability status. Standardised 3GPP and GSMA Open Gateway APIs provide access. This has created the platform that GSMA Open Gateway initiative participants use to expose common network functions through harmonised APIs across the operator members.
Comparable technologies are influencing adjacent market segments in similar ways. Read more in our 5G Market.
4. Key Market Opportunity
A major opportunity in the Core Network market is 5G standalone core deployment, where carriers transitioning to standalone cores unlock network slicing, edge integration, and the advanced services that monetise 5G beyond consumer mobile broadband. Vendors with cloud-native 5G core solutions capture this deployment cycle. A parallel growth driver is driven by network slicing orchestration, which enables enterprise revenue services. As carriers deploy 5G standalone cores and offer network slicing, the addressable opportunity is expanding from legacy packet core toward cloud-native 5G core and slicing-enabled enterprise services.
5. Top Companies in the Core Network Market
The following organisations hold leading positions in the Core Network Market. The full report provides revenue share, SWOT analysis, and competitive benchmarking for each player.
- Ericsson
- Nokia
- Huawei
- Samsung
- ZTE
- NEC
- Mavenir
- Cisco
- Affirmed Networks (Microsoft)
- Casa Systems
- Athonet (HPE)
- Parallel Wireless
6. Market Segmentation
The Core Network Market is analysed across 4 segmentation dimensions. Revenue data, growth rates, and competitive intensity by sub-segment are available in the full report.
| Segmentation | Sub-Segments |
|---|---|
| By Technology | 5G Core4G Evolved Packet CoreConverged Core |
| By Deployment | On-PremiseCloud-Native |
| By Application | MobileFixedEnterprise |
| By Geography | North AmericaEuropeAsia PacificLatin AmericaMiddle East and Africa |
7. Key Market Trends (2026–2034)
Three major forces are shaping the Core Network Market trajectory over the forecast period:
5G Service-Based Architecture HTTP/2 APIs Enabling Any Network Function to Discover and Invoke Any Other Function Have Simplified the Core Network Modularity That 4G Point-to-Point Interfaces Made Inflexible and Slow to Evolve.The 3GPP 5G core network architecture based on service-based architecture where network functions communicate through standardised APIs running on cloud infrastructure represents a fundamental architectural departure from the dedicated hardware network elements that 4G and earlier core networks used. Ericsson, Nokia, and Samsung supply the 5G core network functions that operators are deploying alongside or replacing their 4G evolved packet core, and the investment required for the complete transition to 5G standalone core with service-based architecture is a significant capital commitment that operators are managing through phased migration strategies. The 5G core network investment recovery depends on the enterprise 5G monetisation through network slicing and private network services that the service-based architecture enables, and the operator ROI on 5G core investment is linked to enterprise 5G adoption rates that have grown more gradually than the most optimistic analyst forecasts predicted.
Cloud-Native 5G Core on Kubernetes With Microservices Auto-Scaling and Rolling Upgrade Is Replacing the Physical Appliance Core Deployments That Required Service Window Maintenance and Provided No Dynamic Capacity Scaling.The 5G network slicing capability that allows operators to create isolated logical network instances with dedicated bandwidth, latency, and reliability characteristics within shared physical infrastructure provides the technical foundation for enterprise SLA-based network services that were not feasible with shared best-effort network architecture. Telefonica's 5G network slicing enterprise services, SK Telecom's network slice as a service platform, and DISH Network's 5G standalone architecture designed for network slicing demonstrate the operator investment in the commercial network slicing products that the 5G core architecture enables. The network slice management through GSMA's Network Slice as a Service specification and TM Forum's network slice management APIs provides the commercial and operational framework for automating the provisioning, monitoring, and billing of network slices that enterprise customers order through digital service portals.
Network Exposure Function 5G Programmable APIs Through GSMA Open Gateway Are Enabling Enterprise Developers to Access Terminal Location, QoS Commitment, and Device Reachability Across Operator Networks Without Custom Integration.The 5G core network's service-based architecture with TLS-encrypted interfaces and OAuth 2.0 API authentication provides significantly stronger interface security than the unencrypted SS7 and diameter interfaces that 4G core networks used, eliminating the exploitation vectors that security researchers and intelligence agencies exploited in 4G core networks. GSMA's 5G security guidelines and the 3GPP security specifications for 5G core define the authentication, authorisation, and encryption requirements that the 5G core network must implement, providing the security baseline that operators must meet in their 5G core deployments. The operator core network security monitoring market served by vendors including Nokia NetGuard and Cellusys provides the signalling security analysis and anomaly detection that identifies attacks on core network interfaces, complementing the protocol security improvements in 5G core with active security monitoring.
For related market intelligence, see the Network Infrastructure Market.
8. Segmental Analysis
By technology, the 5G Standalone core segment dominated the Core Network Market in 2025, as Ericsson 5G Core and Nokia AirGile anchored operator 5G SA deployments that enable network slicing and ultra-reliable low-latency communication, generating the fastest-rising share of core revenue.
By deployment, the cloud-native containerised core segment is projected to register the highest growth rate through 2034, as Mavenir and Casa Systems open-source core functions enable operators to deploy on standard COTS hardware and reduce per-subscriber core infrastructure cost.
9. Regional Analysis
Regional demand patterns across the Core Network Market reflect differences in regulation, technological maturity, and capital investment.
Largest Market Share
Asia Pacific dominated the Core Network Market in 2025, accounting for approximately 46% of global revenue, due to China's 5G standalone core deployment at scale and Huawei, ZTE, and Samsung supplying core network equipment across the region. Moreover, the large subscriber bases requiring core network capacity sustain demand. In addition, 5G standalone deployment in South Korea and Japan drives advanced core investment. Regional dominance is attributed to this combination of subscriber scale and 5G deployment.
Highest CAGR Region
North America is projected to register the highest CAGR in the Core Network Market through 2034, driven by 5G standalone core deployment at US carriers enabling network slicing and enterprise services and cloud-native core adoption integrating with hyperscaler cloud. The region is also witnessing enterprise network slicing services growing with industrial 5G. Moreover, Microsoft Azure for Operators and partnering vendors advance cloud-native core from US operations. The combination of these demand drivers and standalone core deployment positions North America for sustained growth outperformance through 2034.
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Frequently Asked Questions
The Core Network Market was valued at USD 28.83 Bn in 2025 and is projected to reach USD 60.08 Bn by 2034, growing at a CAGR of 8.5% over the 2026–2034 forecast period.
The Core Network Market is projected to grow at a CAGR of 8.5% from 2026 to 2034.
Asia Pacific dominated the Core Network Market in 2025, accounting for approximately 46% of global revenue, due to China's 5G standalone core deployment at scale and Huawei, ZTE, and Samsung supplying core network equipment across the region.
The leading companies in the Core Network Market include Ericsson, Nokia, Huawei, Samsung, ZTE, NEC, Mavenir, Cisco, Affirmed Networks (Microsoft), Casa Systems, Athonet (HPE), Parallel Wireless.
5g service-based architecture http/2 apis enabling any network function to discover and invoke any other function have simplified the core network modularity that 4g point-to-point interfaces made inflexible and slow to evolve.
By technology, the 5G Standalone core segment dominated the Core Network Market in 2025, as Ericsson 5G Core and Nokia AirGile anchored operator 5G SA deployments that enable network slicing and ultra-reliable low-latency communication, generating the fastest-rising share of core revenue.
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