Last week we analysed the memorandum of understanding announced between the two most prominent industry groups driving edge computing, ETSI’s MEC (Multi-access Edge Computing) and the Cisco-inspired OpenFog Alliance. This offered reasons to hope that this important area of technology for mobile operators would be on the road to greater unity. Like ETSI’s other major initiative, NFV, fragmentation has been threatening to derail MEC, but even now that it is working more closely with OpenFog, there are many other groups and approaches vying for attention. This is threatening confusion, frustration and delays among operators, many of whom are unconvinced of the business case for MEC, and daunted by the costs it will entail. That debate, in turn, is threatening to…