Most major web browsers today block Adobe Flash Player, in turn causing a decline in RTMP (Real-Time Messaging Protocol) usage which was so prevalent in early OTT video, meaning few content delivery networks (CDNs) now support Flash. One CDN provider, Limelight Networks, says it will continue to deliver Flash content until late 2018 or early 2019, urging companies with large Flash content libraries to re-encode their entire catalogs to HLS or DASH – and in doing so, Limelight is going after the lunch of the encoding firms. A webinar from Limelight Networks this week, called Overcoming the Latency Hurdle in Delivering Streaming Video, talked up WebRTC, an open-source RTP (Real-time Transport Protocol) browser project, as the protocol sliding in to…