Five years ago this week… Faultline’s 800th issue led with the emergence of the RIST protocol, gaining ground and muddying the waters in the search for a common low latency standard. First developed by the Video Services Forum (VSF), RIST gained momentum at least as fast as SRT was, and some of the same companies behind the latter standard were also among the 21 founding members of the RIST Forum in March 2019. Haivision, founding member of SRT was also one of the inaugural supporters of RIST. One key difference between RIST and SRT is that while SRT is an open source protocol, RIST is an open specification that was pitched as a common denominator for interoperability. Today many service providers, even among…