A study on agent-based profit maximization algorithm using threshold values for IPTV system = IPTV 시스템에서 임계값을 이용한 에이젼트 기반의 수익 극대화 알고리즘

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As the current networks progress toward converged network for BcN (Broadband Convergence Network), current TV system will also change toward IP-based TV system. The new IPTV system will replace some or many parts of legacy TV systems. One of the most critical issues of IPTV network in current stage is shortage of bandwidth capacity in local distribution networks. Therefore, admission control models for the heavily loaded IPTV contents in the local area need to be considered. The other important issue is to achieve profit maximization in the IPTV system, which provides various contents such as real-time TV, video-on-demand and interactive services. In our paper, we suggest an IPTV system whose resources are managed by IPTV agents in the distributed IPTV system. This model consists of BcN network, IPTV streaming servers, clients (STB), and IPTV agents. In the model, we assume that there are three kinds of contents type: class 1 (Preferred Contents), class 2 (Normal Contents), and class 3 (Un-preferred Contents). In such a system, admission control tests are employed to check whether the resources for the requested service are available or not. The test considers not only admission controls for resource limitation, but also profit maximization for the contents providers. This paper mainly focuses on designing an admission control algorithm and a profit policy which take into account the inherent nature of incoming requests. For example, when there are real time TV programs and VoD programs in the system, there will be no threshold limitation for real-time TV programs if the programs bring in more revenues than VoD programs. The other contents, VoD programs, will have a limited threshold value to lower the blocking probability of real-time TV contents. Therefore, real-time TV contents will have lower blocking probabilities than less profitable contents.
Choi, Jun-Kyunresearcher최준균researcher
한국정보통신대학교 : 공학부,
Issue Date
392758/225023 / 020054585

학위논문(석사) - 한국정보통신대학교 : 공학부, 2007.2, [ vi, 42 p. ]


threshold valus; IPTV; agent-based; 양방향; 임계값; profit

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School of Engineering-Theses_Master(공학부 석사논문)
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