October 11, 2005
NGN
Next Generation Network (NGN) refers to the IP-based network that could well supplant the PSTN network for providing telecommunication services. The NGN supports several multimedia services such as VoIP, videoconferencing, email, IM, etc. The ITU-T Recommendation Y.2001 defines NGN as follows:
A packet-based network able to provide telecommunication services and able to make use of multiple broadband, QoS-enabled transport technologies and in which service-related functions are independent from underlying transport-related technologies. It offers unrestricted access by users to different service providers. It supports generalized mobility which will allow consistent and ubiquitous provision of services to users.
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