Volume of disruptions in communication networks


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Figure 1: Number of significant disruptions in communication networks

Telecommunications operators report significant disturbances in the functionality of their networks and services to FICORA. In FICORA's Regulation 66, disturbances in functionality are divided into four severity categories depending on the communications services and the number of end customers that are affected by the disturbance.

These statistics show the number of notifications received by FICORA per year and severity category.

There are four severity categories: A, B, C and D. Disturbances in category A are the most severe ones and those in category D the mildest ones. Disturbances falling into categories A, B and C (not D) are reported to FICORA.

Disturbances in the functionality of telephone services or internet connection are divided into the following severity categories:

A: affects at least 100,000 persons,

B: affects at least 10,000 persons, and

C: affects at least 1,000 persons.

Disturbances in television and other mass communications services are rated as follows:

A: affects at least 300,000 persons,

B: affects at least 100,000 persons, and

C: affects at least 50,000 persons.

Telecommunications operators’ notification procedures and significant functionality disturbances are defined in FICORA's Regulation 66.


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Figure 2: Number af all disruptions in communication networks

Telecommunications operators continuously monitor the functionality of their communications network and services. They also rectify disturbances that they have detected via network monitoring.

FICORA collects statistical data from telecommunications operators on disturbances affecting the functionality of networks and services and the number of such disturbances. According to the data collected from telecommunications operators, there are approximately 300,000 disturbances in the functionality of Finnish communications networks and services per year.


Key words: Internet, Telephone, Faults and disturbances, Networks, Statistics


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