Single point of storage for data used by Virtualized Network Functions (VNFs)
Creates IoT and 5G-ready data layer, a key enabler for cloud-optimized, ultra-robust, highly scalable networks
Stateless VNFs enable operators to innovate faster and offer telco-grade reliability as a key differentiator
18 February, 2016
Espoo, Finland - Nokia is dramatically simplifying networks by introducing the Shared Data Layer, a central point of storage for all the data used by Virtualized Network Functions (VNFs). The Shared Data Layer frees VNFs from the need to manage their own data, creating so-called stateless VNFs. These are less complex and can be scaled in or out easily and quickly to meet changing demand.
The result is a more flexible, programmable network for 5G, able to support ultra-robust, low latency connectivity and massive networking for the Internet of Things (IoT). The network also becomes extremely reliable because should a stateless VNF fail, a replacement can be activated and instantly access the shared data to maintain seamless service continuity.
The Nokia Shared Data Layer also reduces turnaround times for introducing new services and thus can boost operator revenues more quickly. Innovation cycles can be as rapid as those run by Internet companies, but with the added benefit of telco grade reliability. Stateless VNFs can be created rapidly without the need to set up and deploy new infrastructure, and their simplicity means less coding and debugging.
Helping operators win new business in the cloud era:
Nokia Shared Data Layer provides a common, secure database for all VNF-related data such as subscription and session data. VNFs can store and retrieve their data through open interfaces.
Furthermore, VNFs can subscribe to and share data more efficiently between different VNFs. Less data needs to be routed around the network, data duplication is eliminated and signaling is reduced, thus lowering operational costs.
Open Application Interfaces (APIs) allow seamless integration with third party services and applications. Combined with analytics, this helps operators to win new business by enabling new service verticals to access network data.
"Abstracting subscriber and state information from individual network functions, can simplify the design, deployment and operation of cloud-hosted mobile networks," said Gabriel Brown, senior analyst with Heavy Reading. "The stateless network will generate new, cloud-optimized architectures that can help operators deliver diverse applications at a significantly lower cost-of-production."
Michael Clever, head of Converged Core, Mobile Networks at Nokia, said: "The Shared Data Layer is a milestone in the evolution of telco networks as we head towards 5G. Operators will be able to innovate faster while retaining telco grade reliability and benefit from unlimited scale and elasticity to cater to the demands of even the largest next generation converged networks. And all this will come with substantially lower Total Cost of Ownership (TCO). With the Shared Data Layer at its heart, the new programmable network will give operators the agility they need to ensure sustainable business in a rapidly changing world."
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