CDN load balancing specialist Cedexis is starting to make more of a case for itself purely in video and not just as a management tool for generic CDNs. This week at NAB it took another step towards video analytics by announcing availability of a version of its CDN load balancing which is powered partly from its global view of how well respective CDNs are performing in real time, but also from its own Quality of Service (QoS) metrics collected on a given publisher’s customer devices. The company also announced a partnership with Qwilt, the open cache video specialists, so that it can also get QoE video data from the Qwilt network of open cache deployments, deeply embedded in global ISP…