Details Emerge About Next Generation Network Specs
GENEVA - Though a tremendous amount of work lies ahead in forging global standards for next generation networks (NGN), details emerged Tues. about 16 recommendations given preliminary approval at a coordinated meeting of the NGN-Global Standards Initiative.
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The recommendations were the result of about 650 contributions made to ITU’s lead NGN study group, SG13, since it met in Jan., an official said. “ITU-T has been working industriously and steadily on NGN and this is culminating in a number of key deliverables on NGN… that are… setting the stage for the next round of deliverables which will happen within one year,” said John Visser of Nortel, speaking as chmn. of ITU-T study group SG19, which deals with mobile telecommunication networks.
The details, not yet announced publicly, reveal more about the NGN specifications that the ITU preliminarily approved recently (CD Aug 1 p4). The specifications were for such things as: (1) Quality of service support to virtual private network services. (2) Functional requirements and architecture for NGNs. (3) IMS for next generation networks. (4) PSTN/ISDN emulation architecture. (5) Admission control functions in NGNs. (6) B-ISDN operation and maintenance. (7) Mobility management requirements. (8) PSTN/ISDN evolution to NGN. The specifications will enter ITU’s 4-week last call for comments Aug. 16.
Because of regulatory implications, some recommendations, such as one dealing with security requirements of NGN, will be considered under ITU’s lengthier traditional approval process, which could produce a final decision by April 2007. Regulatory and therefore political considerations of ITU member states make predicting the date for final approval difficult.
Work on a spec that received approval last fall was suspended because members couldn’t agree on required changes. Work on “Customizable IP networks… by customers” will continue with the aim of agreeing on text during an undetermined future meeting, documents said.