What is xFAPI?

xFAPI Architecture

Unlocking Open RAN
xFAPI is the key to achieving true interoperability in O-RAN, removing vendor lock-in and unlocking the full potential of open interfaces. Acting as a bridge between any L1 layer vendor and L2 layer vendor of O-RAN, xFAPI bridges the gap enabling multi-vendor compatibility with ease.

xFAPI acts as a translator, providing interoperability between different IPC mechanisms, including shared memory (xSM) and sockets (nFAPI). Additionally, xFAPI includes an integrated capability that can be activated at runtime based on compilation flag that will check if L1-L2 are interoperable and provide the option to use xFAPI if desired (for additional functionalities such as detailed PDU stat generation at both interfaces, debugging tools like memory logger, state manager, multi-level logging, and monitoring and analysis on the dashboard).

Resources

latest blogs

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AUG 25, 2024

Understanding xFAPI: Bridging L1 and L2 Layers of O-RAN

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AUG 21, 2024

Challenges in L1-L2 Interoperability within O-RAN

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March 8, 2025

𝗣𝗼𝘀𝘁-𝗤𝘂𝗮𝗻𝘁𝘂𝗺 𝗭𝗲𝗿𝗼 𝗧𝗿𝘂𝘀𝘁 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 𝗶𝗻 𝗢-𝗥𝗔𝗡