In a move that tells us much about how telecom network have changed, Telefónica will build its cloud-native 5G core network using IBM Global Business Services as the system integrator while Red Hat and Juniper supply the networking platforms.
In prior generations of mobile networks, the network would have been purchased almost turnkey from a legacy provider such as Ericsson or Nokia (or Alcatel or Lucent). It was monolithic.
Now the network is integrated by a major system integrator using open source technology and a distributed, cloud-based and cloud native computing platform. It is loosely coupled.
In other words, one builds a telecom core network as one would build any other computing network intended to scale. In other words, apps and functions are built how apps are created and deployed, not where they are created or deployed.
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