Introduction to the ITU-T NGN focus group release 1: target environment, services, and capabilities

This article starts by introducing some interesting use cases of set-vices and capabilities to be supported in next-generation networks. The target environment, relevant services, and some critical capabilities identified by the ITU-T Focus Group on NGN for the first phase of NGN deployments - NGN Release 1 - are then described. Finally, some examples of services to capabilities mapping are provided.