Service-oriented interfaces
5G core network essentials
Article REF: TE8012 V1
Service-oriented interfaces
5G core network essentials

Author : Xavier LAGRANGE

Publication date: May 10, 2022 | Lire en français

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3. Service-oriented interfaces

3.1 General principles

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3.1.1 Interface philosophy up to 4th generation

In the 1980s-1990s, networks were constrained by both link speeds and the limited processing capacity of nodes. In 1985, link speeds were 64 kbit/s, and a processor could at best process 10 Million Instructions Per Second (MIPS).

The network was organized into a small number of entities, each of which performed several functions. In a 4G network, the MME manages both access control and part of the establishment of connectivity...

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