Various network management models, including TNM, CMIP, and SNMP, are used to organize and supervise computer networks. These models focus on the five functional areas of FCAPS: fault, configuration, accounting, performance, and security management. TNM is organized into four management levels, while CMIP is complex and CMIS is easier to use. SNMP is primarily used for Internet functionality and focuses on monitoring, performance, and fault management.
Several organizations have created network management templates that can be used to organize and supervise a computer network. Most of these models use five management areas established by the International Organization for Standardization (ISO); these functional areas are fault, configuration, accounting, performance and security management (FCAPS). A number of network management models have been established to better organize these areas, including telecommunications network management (TNM). Common Management Information Protocol (CMIP) and Common Management Information Service (CMIS) are often used for networking, while Simple Network Management Protocol (SNMP) works best with the Internet.
Most network management models are established to make computer networks easier to set up and administer. These different systems are often used to better manage management across five functional areas called FCAPS. Fault management is used to find and manage faults that occur within a network, while configuration refers to the devices used to configure it. Accounting is the process by which information passed through the system is tracked, and performance management ensures its proper functioning. These network management models also ensure that security is maintained within the system through access control and authorization tools.
Telecommunications Network Management or TNM is one of several network management models established to better organize FCAPS into a system. TNM is set up in four management levels which are used to then manage the different functional areas. The business management level deals with internal business matters, while the service level ensures that administration services are handled. There is also a network layer that oversees how network resources are used, while an element management layer controls the devices and the different elements that make up the network.
Other network management models include the Common Management Information Protocol or CMIP. It is a system used by telecommunication service providers which allows the control and management of the network. However, it is somewhat complex, so the Common Management Information Service or CMIS was created to make this model easier to use. Just like other network management models, CMIP is used for FCAPS organization, although there may be little or no focus on accounting management.
While CMIP is typically used for networks that don’t include Internet connectivity, the Simple Network Management Protocol or SNMP allows for Internet functionality. This is a simpler form of model than CMIP and is often used in data networks. Monitoring, performance and fault management are often at the heart of this system, with configuration and accounting being less important. Some network management models, such as CMIP, have been established by the International Organization for Standardization or ISO, but SNMP is primarily sponsored by the Internet Engineering Task Force (IETF).
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