NetScout offers a comprehensive family of intelligent packet flow appliances to provide packet flow-based visibility for all applications and services that flow across global networks. Deployed in strategic, high-bandwidth locations, these appliances leverage Adaptive Session Intelligence™ (ASI) technology developed by NetScout. ASI technology dynamically tracks, captures and analyzes complex service delivery transactions across multi-domain IP networks allowing comprehensive real-time analysis of the performance of applications and services across physical and virtual environments. ASI provides a highly scalable technology foundation that feeds into the nGenius Service Assurance Solution and enables consistent metrics across a broad range of interfaces and data sources.