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《Journal of Beijing University of Posts and Telecommunications》 2003-01
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Key Technologies Towards Next Generation of Network

YANG Fang chun (Computer Science and Technology School, Beijing University of Posts and Telecommunications, Beijing 100876, China)  
Next generation of network(NGN) is similar to many aspects of intelligent network(IN) principles, but it works better than IN due to different implementation technologies. Through comparisons between the architectures and goals of NGN and IN, five major drawbacks appeared in current IN technology are analyzed. Then several key technologies on open API, service generation methodology and network evolution that need to be concerned and further investigated for NGN are proposed, especially regarding how to inherit the invested IN to build NGN architecture.
【Fund】: 国家自然科学基金资助项目(90104024);; 国家杰出青年科学基金(60125101);; 教育部跨世纪优秀人才计划资助项目
【CateGory Index】: TN915.5
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