Mr. WenYao Li Profile

WenYao Li

at Wuhan Research Inst of P&T

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Proceedings Article | 15 April 2004 Paper

Research on NGN network control technology

WenYao Li, Fang Zhou, JianXue Wu, ZhiGuang Li

Proceedings Volume 5282, (2004) https://doi.org/10.1117/12.523029

KEYWORDS: Networks, Switches, Signal processing, Network architectures, Transmittance, Circuit switching, Control systems, Optical networks, Data modeling, Seaborgium

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Nowadays NGN (Next Generation Network) is the hotspot for discussion and research in IT section. The NGN core technology is the network control technology. The key goal of NGN is to realize the network convergence and evolution. Referring to overlay network model core on Softswitch technology, circuit switch network and IP network convergence realized. Referring to the optical transmission network core on ASTN/ASON, service layer (i.e. IP layer) and optical transmission convergence realized. Together with the distributing feature of NGN network control technology, on NGN platform, overview of combining Softswitch and ASTN/ASON control technology, the solution whether IP should be the NGN core carrier platform attracts general attention, and this is also a QoS problem on NGN end to end. This solution produces the significant practical meaning on equipment development, network deployment, network design and optimization, especially on realizing present network smooth evolving to the NGN. This is why this paper puts forward the research topic on the NGN network control technology. This paper introduces basics on NGN network control technology, then proposes NGN network control reference model, at the same time describes a realizable network structure of NGN. Based on above, from the view of function realization, NGN network control technology is discussed and its work mechanism is analyzed.

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