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Grant
Theme fund: NGI Mobifree Fund
Start: 2025-12
More projects like this
Software engineering

Opening up Apple’s Low Latency Wi-Fi Protocol

Open-source interoperable implementation of LLW for Linux

Apple developed a proprietary protocol called Low Latency Wi-Fi (LLW) that enables several inter-device streaming features in the Apple ecosystem. This link-layer protocol acts as the basis for applications with low-latency and real-time constraints, such as using a phone’s camera wirelessly as a webcam on a laptop. This project focuses on implementing an open-source counterpart for Apple’s LLW protocol stack on Linux, thereby providing interoperability of Apple platforms and bringing a useful low-latency protocol to the open-source community. This way, LLW will be available to third parties, which is of importance to strengthen end-users in having more choices and hindering Apple from gatekeeping technologies.

Run by Hasso-Plattner-Institut für Digital Engineering gGmbH, Potsdam

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This project was funded through the NGI Mobifree Fund, a fund established by NLnet with financial support from the European Commission's Next Generation Internet programme under the aegis of DG Communications Networks, Content and Technology. The NGI Mobifree R&D programme is part of Horizon Europe research and innovation programme under grant agreement No. 101135795.