Netscout is a hardware and software based systems that monitors LANs, WANs and SANs for globally distributed enterprises. It provides visibility into the multitude of today's applications and technologies, presenting a cohesive view of the network and business services that run over it.
The Netscout solution incorporates multiple performance management disciplines all in one product:
These functionalities are fully integrated into a single management application, empowering IT departments with greater efficiency as they deliver maximum network performance to their businesses.
(Source: www.netscout.com)