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    政大機構典藏 > 商學院 > 企業管理學系 > 會議論文 >  Item 140.119/25171
    Please use this identifier to cite or link to this item: http://nccur.lib.nccu.edu.tw/handle/140.119/25171

    Title: An Analytical Model for Service Discovery Architectures in Next-Generation Networks
    Authors: Wu Tian;郭更生
    Contributors: IEEE
    Date: 2006-11
    Issue Date: 2009-01-14 17:09:05 (UTC+8)
    Abstract: Next-generation networks (NGNs) are all IP-based converged networks which comprise wired and wireless networks together. With the proliferation of services, service discovery (SD) has become an essential feature of NGNs. Many efforts have been made in the research of SD. However, only one paper theoretically analyzed the cache usage for decentralized architectures in ad-hoc networks. In this paper, we proposed an analytical model for characterizing the performances of SD architectures. Our model is suitable for both centralized and decentralized architectures. Thus, the proposed model can be a generic basis for further studies on SD architectures. Moreover, our model was validated with simulations. Since SD architectures use time-to-live (TTL)-based control mechanisms to save the bandwidth, we modeled the impact of the TTL's value. The results show that the success rate of centralized architectures can be improved by increasing the TTL's value without introducing additional network overheads. For the decentralized architectures, our model is very useful in deciding the optimal value of TTL.
    Relation: Proc. of 2006 IEEE Global Communications Conference
    Data Type: conference
    DOI 連結: http://dx.doi.org/10.1109/GLOCOM.2006.242
    DOI: 10.1109/GLOCOM.2006.242
    Appears in Collections:[企業管理學系] 會議論文

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