Leaders in this industry are innovating around cloud-based monitoring, better support for software-defined environments and more flexible deployment models, according to research firm Gartner. The fast-growing network performance monitoring and diagnostics market is helping businesses support more complex environments and services through network visibility, performance issue detection and root cause analysis. Other users and use cases exist, especially because these tools provide insight into the quality of the end-user experience. According to Gartner, Network performance monitoring and diagnostics (NPMD) enable network professionals to understand the impact of network behavior on application and infrastructure performance, and conversely, via network instrumentation.