A next-generation network (NGN) is a packet-based network which can provide services including Telecommunication Services and is able to make use of multiple broadband, quality of service-enabled transport technologies and in which service-related functions are independent from underlying transport-related technologies
The five function layers are: (.
1) Application Layer that supports SIP protocol; (.
2) Network Control Layer that aims at overcoming the bottleneck problems at edge nodes or servers for end-to-end admission control; (.
3) Adaptation Layer that supports different network configurations and network mobility; (.
4) Network
6G is the sixth-generation mobile system standard currently being developed for wireless communications over cellular data networks in telecommunications.
It is the successor, or the next bend in the road, after 5G and will likely be much faster.