According to TBR’s 1Q19 NFV/SDN Telecom Market Landscape, leading operators will accelerate and broaden their network transformations en route to deploying 5G and becoming digital service providers (DSPs). Softwarization, virtualization and cloudification are foundational aspects of a DSP’s network.
5G is greatly enhanced when using virtualization, especially when enabling and maximizing the benefits of network slicing and achieving better radio access network (RAN) economics. Though most operators intend to initially deploy the non-stand-alone (NSA) standard of 5G, which tethers 5G radio with evolved packet core (EPC), an eventual upgrade to the stand-alone (SA) standard, which tethers 5G radio to a 5G core, will become a reality in the early 2020s.
5G core is inherently virtualized, and communication service providers (CSPs) will be keen to prepare their networks to maximize the benefits of utilizing a fully virtualized network architecture, which includes, but is not limited to, increasing agility, flexibility, visibility and cost efficiency.
In 2019 Rakuten will become the first fully virtualized DSP in the world. Should the company’s approach to network architecture work, it will legitimize and embolden other CSPs to double down on their network transformations and hasten their migration to white-box hardware and cloud-native architectures.
CSPs are under pressure to invest in NFV/SDN to reduce total capex and opex spend as well as introduce new services and stay competitive in the data-driven digital economy, which is increasingly dominated by webscale and over-the-top players. This pressure will prompt more CSPs to spend on NFV/SDN during the forecast period. TBR expects 27.5% of total CSP capex and external opex spend will be allocated to NFV/SDN by the end of 2022.
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