* Footprint and Cost Reduction compared to Vendor-Specific hardware;
* Consolidation of Infrastructure for different Telco Applications;
* Flexibility in software deployment and Elasticity in resources usage.
All SW functionalities implemented by former NGN solution have been guaranteed by vNGN, moreover IP-IP interconnection according to AKNN specifications (approved by German Telecommunication Authority) has been added thanks to vNGN.
The smooth and progressive migration from NGN to vNGN was realized guaranteeing minimum operational impact on OSS/BSS and Access Layers, preserving the same northbound interfaces and User equipment.