Description

The introduction explains that network management is a critical part of operating modern computer networks because organizations increasingly depend on reliable network services for daily operations. It introduces network management as the process of monitoring, maintaining, controlling, and improving networks so that they remain available, efficient, secure, and capable of supporting business needs.

The author emphasizes that network management is not limited to managing hardware devices such as routers and switches. It also involves managing the services, applications, performance, security, and user experience that depend on the network. As networks become larger and more complex, effective management becomes essential for reducing costs, maintaining quality, and ensuring reliable service delivery