The whole point of cloud-native, virtualized networks is the ability to mix and match network elements with software, avoiding vendor lock-in and combining lower-cost commodity hardware with control software that can be separated from the network elements.
In the context of mobile networks, that should ultimately mean the ability to use any compliant radio access network with any core network. That is not yet possible, but is coming, with work on Open RAN and Telecom Infra Project, for example, supported by major tier-one service providers such as Telefonica and Docomo.
NTT Docomo, for example, has announced multi-vendor interoperability across a variety of 4G and 5G base station equipment compatible with the international standards of the Open Radio Access Network (O-RAN) Alliance, using gear fromFujitsu Limited, NEC Corporation and Nokia.
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