ETRI-Knowledge Sharing Plaform



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학술지 Towards Opening Network Knowledge for User-centric Services in NGN
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박유미, 문애경, 이병선, 김상하
IEICE Transactions on Communications, v.E94.B no.9, pp.2501-2510
일본, 전자정보통신학회 (IEICE)
10MI3200, 네트워크 기반 수요자 지향 융합서비스 공통플랫폼 기술 개발, 이병선
In this paper, we propose a Network Knowledge Layer (NKL) that is a service platform overlaid onto the existing networks to provide network knowledge for user-centric services in the Next Generation Network (NGN). Most traditional networks lack capabilities for accommodating user-centric service paradigm. Taking this into consideration, the proposed NKL has capabilities to acquire contextual information from various sources, to evolve this information with legacy information into high-level knowledge, and to expose the high-level knowledge to entities outside the network. For easy knowledge exposure, we specify a set of abstracted application programming interfaces (APIs). For efficient handling of network knowledge accessed by the APIs, we design and compare the three different network knowledge models. With the proposed APIs and the three knowledge models, we accomplish the experimental performance evaluation of NKL to verify its feasibility. The results of the various tests on knowledge models and APIs give good guidelines for efficient design and exposing network knowledge in developing a user-centric service platform. Finally, we expect NKL can support the effective development and execution of user-centric services by providing rich network knowledge with the APIs. Copyright © 2011 The Institute of Electronics, Information and Communication Engineers.
Knowledge exposure, Knowledge modeling, Network knowledge, Network Knowledge Layer, User-centric services
KSP 제안 키워드
Application programming interface, Contextual information, Information and communication, Knowledge modeling, Next generation networks(NGN), Performance evaluation, efficient design, experimental performance, service platform, user-centric service