Study Group 13 the lead for NGN in ITU met in April reached final ‘approval’ stage on two Recommendations and consented a number of others, as well as starting discussions on some new work areas. SG13 met concurrently with SGs 19 and 11 as part of the NGN Global Standards Initiative (NGN GSI).
Among inputs to a special ‘futures’ brainstorming session at the meeting were proposals on Mobile IPTV standardization and a “Future Vision beyond NGN”. Mobile IPTV is described as IPTV to mobile and wireless networks. There was discussion on a possible standard that would be neutral in terms of the wireless technology and would cover architecture for NGN, authentication for user mobility and seamless connectivity for mobility, security, and signaling for scalable delivery of content.
The paper “Future Vision beyond NGN” proposed that the future beyond NGN is next generation ubiquitous networking. Study areas for ITU-T and particularly Study Group 13 could be media, identity and so-called ABC (for accounting, billing and charging) processing; open service environment, service and transport control; extending QoS capabilities for bandwidth, security, mobility, personalization and media; supporting a variety of NGN applications including fixed-mobile convergence (FMC), networked IDs, ubiquitous sensor networks (USN), home networking, IPTV etc. The paper also proposed that this work should be more closely linked with protocol development.
Another important document given the first stage approval known as consent defines the service requirements, service features, service architecture, and implementation scenarios of IMS based real-time conversational multimedia services. These include PSTN/ISDN simulation services. When these real-time conversational multimedia services are provided by using an IMS-based service environment, the implementations will use SIP protocol between the Service Support Functions and the Service Control Functions [ITU-T Y.2012] [ITU-T Y.2021]. IMS based NGNs which meet these service requirements will be capable of supporting real-time conversational multimedia services with new service features as well as allowing for new implementation scenarios.
Also consented were documents charting OAM requirements for T-MPLS based networks and QoS control architecture for Ethernet-based IP access networks.
Study Group 19 meeting at the same time consented a document outlining the general requirements for fixed-mobile convergence – a key application in NGN.