A network with real-time capabilities
With 1&1 O-RAN, a new type of mobile network is being created: A global network that fully leverages the potential of 5G. As a driver of innovation, 1&1's vision is to actively shape the future of mobile communications and help make Germany ready for real-time applications.
By taking the Greenfield approach, we have relied on state-of-the-art technology from the very beginning. We are committed to moving away from closed, proprietary mobile networks toward a vendor-independent and cloud-native network architecture that enables near real-time transmission rates. The current efforts of established network operators to adapt parts of their existing infrastructure to Open RAN underscores the potential of this new technology. In this respect, 1&1 is leading the way and ushering in a new era in mobile communications.
Ralph Dommermuth, CEO of 1&1 AG
| Software in a private cloud on commodity hardware achieves all network functions (high agility with software updates, fast innovation cycles, flexible use of the best technology, high degree of automation). Automatisierung). | Over 500 regional edge data centers with network functionalities and internet applications. A maximum distance of 10 km to antennas ensures minimal runtime and real-time capabilities throughout the entire network. | Open RAN: With standardized interfaces, antennas from different manufacturers can be installed. Vendor neutrality means 1&1 is not subject to the innovation cycle of a single equipment manufacturer. | All sites are equipped with gigabit antennas that are connected using fiber-optic cables. |
From a physical network to a private cloud
At the heart of 1&1 O-RAN is a private cloud that is spread out in hundreds of decentralized data centers. Unlike traditional network architectures, Open RAN technology disaggregates software and hardware. While the intelligence in conventional mobile networks is primarily housed on hardware at antenna sites, network functions in 1&1 O-RAN are located in a private cloud and controlled by software.
Achieving real-time speed with edge computing
Four core data centers, 24 decentralized data centers and over 500 edge data centers are being built for 1&1 O-RAN. These are connected to the 1&1 antenna sites using fiber-optic cables. Distances between data centers and antenna sites don't exceed 10 kilometers, ensuring a short transmission distance. This is greatly beneficial for applications and means the 1&1 O-RAN network is prepared for real-time applications without any additional modifications being necessary.
Complete virtualization of network functions
All network functions are controlled via software. Specially developed orchestration software ensures a high level of automation. Innovation cycles require complex upgrades at base stations, which can be cost-effectively and efficiently implemented with the help of software updates.
High efficiency in our data centers
The virtualization of network functions and the consistent separation of antennas and control units enables efficient operation of 1&1 O-RAN by pooling resources in the edge data centers. In addition, computing capacities can be adjusted to different usage requirements. Only standard hardware is used in the 1&1 data centers – here 1&1 can flexibly use the most efficient server generation in depending on each case.
Standardized interfaces ensure manufacturer diversity
Independence from dominant network suppliers is one of the key advantages of Open RAN technology. Standardized interfaces allow for flexibility with the best and most secure manufacturers on the market. When building the 1&1 O-RAN, there is a broad landscape of server and network technology to choose from, without the dependencies – for example from HUAWEI.
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