Turk Telekom is to start retiring its 10-year-old IPTV service and migrate subscribers to a new OTT platform based on middleware from Alticast called AltiPlatform – Web. This has been widely reported as affecting all 3.6 million existing Turk Telekom pay TV subscribers, but this is misleading as not all these are IPTV and many are using the Tivibu Go service, which is already OTT, comprising web TV, mobile and smart TV subscribers. The move does though underline a trend away from some of the legacy IPTV platforms that made great inroads from around 2006 onwards, such as Microsoft’s Mediaroom, which in recent years have proved less agile than many cable TV equivalents and been begging to be replaced by…