The European Telecommunications Standards Institute (ETSI) has released the fourth update for TeraFlowSDN – a software-defined network (SDN) controller that is developed by the Software Development Group TFS (TeraFlowSDN). While still early days for the standard, it appears that there has been little progress on commercial deployments, despite the interest in the SDN field. Unsurprisingly, this is a very technical announcement. The deluge of TLAs includes a new suite of features to support Quantum Key Distribution (QKD), as well as new network automation and monitoring, which have been aligned with the ETSI Zero-touch network and Service Management (ZSM) architecture. The QKD elements sound very hype-y, but this GLOMO judge can tell you that there is a lot of interest and…