Most operators are still struggling with the business model for edge computing, but with characteristic forward thinking, SK Telecom has already unveiled an open edge system which is designed to support a range of commercial services, including a business-to-business platform for enterprises. SK Telecom says its particular implementation of a mobile edge computing architecture can reduce latency by 60% in 5G applications that require rapid response times, such as robotics control. It calls its platform MEC but it does not fully align with the ETSI MEC (Multi-access Edge Computing) architecture. Although the 5G air interface will reduce latency between cell sites and devices from around 25 milliseconds in LTE to 8ms, that does not address the delay as the signal…