What Tungsten Fabric does

Tungsten Fabric is an open source software-defined networking and security fabric project hosted under the Linux Foundation's LF Networking initiative. Its functional purpose is to enable rapid deployment of network virtualization at scale, targeting use cases in network virtualization, multi-cloud connectivity, 5G network functions, edge computing infrastructure, and cloud-native telecom deployments. The project serves the Enterprise, Cloud, and Telecom sectors through a horizontal segmentation approach, demonstrated via the community-driven 5G Super Blueprint initiative that showcases end-to-end use case architectures across these verticals. Pain points addressed include network architecture complexity, multi-cloud networking, and 5G infrastructure challenges.

The project operates as a community-led, open source initiative under Linux Foundation governance. It does not have a publicly disclosed commercial pricing model; distribution occurs through community development channels (code repositories, contributor participation), events such as ONE Summit, and content assets including white papers, user stories, and training courses. Key technical themes in its positioning for 2025-2026 include AI-native networking, the convergence of Agentic AI with open source networking, 6G, and edge AI. It sits within an ecosystem of more than 13 LF Networking projects (FD.io, Nephio, ONAP, OpenDaylight, O-RAN-SC, Anuket, CNTI, Duranta, Essedum, L3AF, OpenAN, Paraglider) that together form the self-described "world's largest and most collaborative open source networking ecosystem." Ownership and governance follow the standard Linux Foundation collaborative open source model; no venture or private equity backing is disclosed.

Because Tungsten Fabric is a foundation-hosted open source project rather than a commercial company, conventional firmographic data (headcount, funding rounds, revenue, named customers, M&A activity, leadership team) is not disclosed in the source material. The project's commercial value, where it exists, accrues indirectly to member companies and commercial downstream distributions rather than to the project entity itself.

Name

Tungsten Fabric

Legal name

Tungsten Fabric

Website

https://tungsten.io

Company type

Private

Operating status

Operating

Short description

Tungsten Fabric is an open source software-defined networking and security fabric project under the Linux Foundation's LF Networking initiative, enabling rapid network deployment at scale for Enterprise, Cloud, and Telecom use cases including 5G, multi-cloud connectivity, and edge computing.

Ownership category

akta.pro rank

Product category

Network Virtualization Software

SIC

Communications Equipment, Nec (3669)

akta.pro primary industry

Fabric & High-Performance Networking (InfiniBand/RoCE) (HDABAFAL)

akta.pro secondary industry

Data Center Networking Services (Switching/Routing/Fabric) (BPAEAEAF)

Keywords

• Open source networking
• Software-defined networking
• Network virtualization platform
• Cloud-native networking
• Multi-cloud networking fabric

Headquarters

HQ city

San Francisco

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Software

Cost components

Technology or R&D, Personnel, Operations, Infrastructure, Others

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Tungsten Fabric is an open source software-defined networking and security fabric built for rapid deployment at scale. The platform provides network virtualization, multi-cloud connectivity, 5G network functions, edge computing infrastructure, and cloud-native telecom deployment capabilities, hosted under the Linux Foundation's LF Networking initiative.

Differentiator

Problem solved

Functional benefit

Products and services

• Tungsten Fabric

Segments1 record

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators1 record

Recent moves5 records

Expansion highlights5 records

Broad incumbents

• Ciena: Ciena provides networking equipment, software, and services for telecom and large-scale operators. It is comparable to Tungsten Fabric at the high level of telecom-grade networking infrastructure, though Ciena is more hardware/transport oriented.
• Arista Networks: Arista delivers high-performance data center switching and EOS-based networking platforms with automation and telemetry features. It overlaps with Tungsten Fabric in cloud and large-scale data center networking.
• Juniper Apstra: Juniper's Apstra offering provides intent-based data center networking and fabric automation. It competes with Tungsten Fabric in enterprise data center and cloud networking use cases.
• VMware NSX (Broadcom): VMware NSX is the dominant commercial network virtualization and SDN fabric platform, now under Broadcom. It directly competes with Tungsten Fabric's software-defined overlay/fabric capabilities for enterprise and telco multi-cloud and data center networking.
• Cisco Application Centric Infrastructure (ACI): Cisco ACI is a leading SDN/data center fabric solution offered by Cisco Systems. It competes with Tungsten Fabric in large-scale data center and cloud networking deployments where policy-driven overlay fabrics are required.

Emerging players

• Open vSwitch: Open vSwitch is an open source multilayer virtual switch that underpins many SDN overlays. It is technologically adjacent to Tungsten Fabric as core open source networking infrastructure used in cloud and NFV stacks.
• Aviatrix: Aviatrix provides cloud network security and multi-cloud networking software. It is comparable to Tungsten Fabric in addressing multi-cloud overlay and connectivity, though focused more on public cloud than telco/edge.

Others

• FD.io (LFN project): FD.io is a sibling LF Networking project focused on high-performance IO, data plane, and networking services. It is ecosystem-adjacent to Tungsten Fabric and shares contributor and member overlap within the Linux Foundation.
• ONAP (LFN project): ONAP is an LF Networking project for end-to-end network orchestration and automation across telco and edge. It overlaps with Tungsten Fabric's telecom and cloud-native networking scope under shared LFN governance.

Direct peers

• Nuage Networks (Nokia): Nuage Networks, a Nokia subsidiary, provides a software-defined networking platform for data centers and WAN. It is one of the closest commercial analogues to Tungsten Fabric, targeting telcos and enterprises with overlay fabric and automation.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights5 records

Customer concentration

• Xx.com/tungstenfabric

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Tungsten Fabric