Network management is the process of administering, monitoring, and maintaining the performance and security of a network system. Network management encompasses a wide range of functions, such as fault management, configuration management, performance management, security management, and accounting management. Network management is essential for ensuring the availability, reliability, and efficiency of network resources and services.

Some of the services NextLevel-Consulting provides are:

- Fault management: This involves detecting, diagnosing, and resolving network problems, such as link failures, device malfunctions, or configuration errors. Fault management also includes alerting and reporting on network events and status.

- Configuration management: This involves keeping track of the hardware and software components of a network system, such as devices, interfaces, protocols, and applications. Configuration management also includes updating, backing up, and restoring network configurations.

- Performance management: This involves measuring and analyzing the performance and utilization of network resources, such as bandwidth, throughput, latency, and availability. Performance management also includes optimizing and tuning network parameters and settings to improve network quality of service.

- Security management: This involves protecting the network system from unauthorized access, misuse, or attack. Security management also includes enforcing network policies and rules, such as authentication, encryption, firewall, and intrusion detection.

- Accounting management: This involves collecting and processing network usage data, such as traffic volume, duration, and type. Accounting management also includes billing and charging for network services based on predefined criteria or agreements.

Network management is a vital function for any organization that relies on network systems for its operations and communication. Network management helps to ensure that the network system meets the needs and expectations of its users and stakeholders.