Mariner will showcase its OTT and multiscreen capabilities at TV Connect in London with the launch of its xVu for Multiscreen video monitoring solution. It's designed to capture insight from both edge devices and content delivery networks (CDNs) to help manage multiscreen, off-net, and OTT services. The solution is intended to provide a holistic view of customers' QoE across managed and unmanaged networks for IP video services to any device.