Description: VNF monitoring (Virtual Network Function) refers to the process of overseeing the performance and health of these functions running in virtualized environments. VNFs are key components in software-defined networking (SDN) architecture and allow network operators to deploy network services more flexibly and efficiently. Through monitoring, metrics can be collected on resource usage, latency, performance, and availability of VNFs, enabling administrators to identify potential issues before they affect end users. This process is essential to ensure that VNFs operate optimally and meet service level agreements (SLAs). Additionally, VNF monitoring facilitates proactive management of network infrastructure, allowing real-time adjustments and resource optimization. Monitoring tools may include visual dashboards, automated alerts, and trend analysis, providing operators with a clear view of the status of their virtualized network functions. In a world where the demand for network services is ever-increasing, VNF monitoring becomes an indispensable practice for maintaining the quality and efficiency of modern network services.