We are seeing some Open RAN vendors, including Rakuten Symphony, come to market with an end-to-end approach. Does this truly meet the definition of open?

The definition of open is not a religious statement about maximizing the number of different vendors we can have. It’s a statement about being transparent and open about the solution being provided and giving optionality to the customer about how different supply chains can be linked into that open solution.

Previous Generation: Black Box

The previous generations of mobile have increasingly become opaque and black boxes. The way they have scaled is through the delivery of highly integrated solutions from limited suppliers.

Supply Chain Restrictions

We have seen the challenges now that the supply chain has become very restricted. And the innovation has left the telecom industry because there is no way to introduce new thoughts or new business because it is a closed, opaque solution.

Source: Rakuten Mobile

Now, with open interfaces, it allows you to reimagine how you want to put together the solution to provide that coverage. For example, Rakuten Mobile, has nine different radio vendors providing coverage across the full spectrum of requirements. They are all managed the same way that provides the operational scale and efficiency. So optionality, transparency, and openness are keywords in the open way forward.

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In a detailed conversation with Rakuten Symphony’s Geoff Hollingworth, this article explores how Rakuten Mobile’s Open RAN rollout defied industry skepticism and set a new bar for telecom transformation. With over 275,000 cells deployed and just 250 staff, Rakuten’s software-centric model shows how cloud-native, virtualized networks can scale—offering key lessons for both greenfield and brownfield operators.

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