Home - BIG-Vienna.com | Network Intelligence Experts. BIG Vienna is a leading network data-mining expert. Since 2005 it has developed as a reference partner for network optimization, software-defined networking (SDN) transformation and data-mining in multi-vendor transport networks (wireless and optical transmission, mobile backhaul, fixed access).- BIG Vienna’s expertise focuses on the following network operators pain-points: Capacity usage monitoring and prediction End-to-end network discovery (multi-vendor topology and inventory) Reality – Planning reconciliation (topology, configuration, RF performance, DCN) - BIG Vienna’s customers figure among the largest vendors (Nokia, Ericsson) and leading operators in EMEA and Asia (Vodafone, Orange, H3, MTN, A1, Etisalat, …).