2026-10-12 # Meta launches liquid-cooled rack, new network fabric at OCP Summit 2026 At the 2026 OCP Global Summit, Meta says it introduced IcePack, its first liquid-cooled network rack, alongside the IceCube 102.4T switch platform, the Flattened Planar Fabric for GPU networking, and an open-source transport protocol called MetaRoCE, per engineering.fb.com. ## What else the source says - IcePack is described as Meta's first liquid-cooled network rack - IceCube is a 102.4T switch platform - Flattened Planar Fabric (FPF) is a multiplane backend scale-out fabric for GPU networking - MetaRoCE is an open-source AI transport protocol - Announcements were made at the OCP Global Summit 2026 ## Why it matters Meta is pushing open hardware standards to keep pace with AI infrastructure demand. Source. [engineering.fb.com](https://engineering.fb.com/2026/10/12/open-source/ocp-summit-2026-powering-ai-with-open-innovations-in-scale-up-scale-out-and-scale-across-networks/) ## TRACE - First seen Oct 12, 2026, 2:31 PM PT - Published Oct 12, 2026, 4:34 PM PT, 2.1 h after first seen - Source engineering.fb.com (Press) [SOTO home](https://signalsoftomorrow.com/)