EMC Smarts is the core fault analysis and impact assessment solution to maintain performance of its IP virtual private network. Smarts offers unprecedented insight into availability of the core network, automatically pinpointing the root cause of service-affecting problems and calculating their business and customer impact. T-Mobile leverages Smarts’ unique modeling and codebook correlation technologies to automatically and in real-time pinpoint the primary cause of any disruption, including how it propagates throughout the infrastructure and what it means to the business.”]
Source: https://www.darkreading.com/attacks-breaches/t-mobile-uk-deploys-emc