VOLTHA: Transforming Broadband Through Open, Disaggregated Access Networks
Summary Signal Adding a new OLT vendor to a live broadband network used to take six months. Deutsche Telekom and Türk Telekom are now doing it in days. Both operators...
Blog
Building the Intelligent Broadband Network: Open Source, Standards, and AI in Practice
Last updated: April 2026 TLDR Deutsche Telekom and Türk Telekom are running disaggregated broadband access networks in live production using VOLTHA, an open source project hosted by LF Broadband. A...
Announcing VOLTHA 2.15: Fine-Grained ONU Control, Better PM Statistics, and Stability Improvements
LF Broadband is pleased to announce the release of VOLTHA 2.15, a new version of the open source access platform that delivers important operational controls, enhanced observability, and continued improvements...
Bridging LF Broadband Open Source with Broadband Forum Standards: Speeding Innovation WT-525
By Serkant Uluderya, Netsia The Broadband Forum (BBF) is currently developing WT-525 Virtual OLT Hardware Abstraction Alignment with CloudCO to align open standards with open source software. This project brings...
Enabling Disaggregated PON for Fixed Access Network Sharing with the TR-370 Specification
By Serkant Uluderya, Engineering Manager at Netsia and Linux Foundation Broadband VOLTHA TST Member The concept of Fixed Access Network Sharing (FANS), as defined by the Broadband Forum (BBF) in...
Breaking Vendor Lock with Open Source: Francisco DeCarvalho on the Power of LF Broadband
At Connected Britain 2025, LF Broadband governing board member Francisco de Carvalho, of Radisys, met with James Page to discuss how open source is transforming broadband access infrastructure and why...
Netsia Wins Network X Award for SEBA Innovation
We’re thrilled to congratulate our member Netsia on their impressive win at the Network X Awards 2025! Netsia took home the Outstanding Multi-Gigabit Fibre Access Innovation award for their BB...
Announcing VOLTHA 2.14: Enhanced Multi-NNI Support & Optimized ONU Operations
The LF Broadband community is pleased to announce the release of VOLTHA 2.14, delivering significant enhancements that improve network flexibility, operational efficiency, and diagnostic capabilities. This release introduces multi-NNI support...
VOLTHA TST Election Results: Continued Leadership for Continued Momentum
LF Broadband is pleased to announce the results of the 2025 VOLTHA Technical Steering Team (TST) election. In a strong show of community confidence and continuity, all three current representatives...
Driving Scale and Performance in Open Access Networks: VOLTHA 2.13 Advances Highlighted at BASe Summit
At the recent Broadband Forum BASe Technical Summit in Munich, Abhilash Laxmeshwar of Radisys – co-chair of the LF Broadband VOLTHA Technical Steering Team – presented key updates on performance...