US broadband analytics outfit OpenVault has been granted a patent with potential to throw down the gauntlet to rivals in the WiFi diagnostics and optimization space. The US patent (no. 11,477,072) describes a “system and method for prescriptive diagnostics and optimization of client networks” – which OpenVault says provides operators with a full view of elements that contribute to the end user experience. This includes subscriber networks, connected devices, CPE, access networks, and services, to enable proactive operational optimization. The patent is effectively a method of automatically remediating issues in subscriber WiFi and Ethernet networks to reduce truck roll for operators. The figure attached shows a block diagram depicting an implementation of an environment for managing subscriber networks using a prescriptive…