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Network Element Functions

A typical telecommunication network consists of exchanges and transmission systems. In TMN terminology, exchanges and transmission systems are examples of network elements (NEs).

The functions that are performed by NEs are `Network Element Functions' (NEFs). According to TMN, these functions include:

As opposed to the second kind, the first kind of functions are not further defined by TMN. This explains why Figure 5 locates the NEF at the edge of the TMN.