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    National Tsing Hua University Institutional Repository > 電機資訊學院 > 資訊工程學系 > 會議論文  >  A QoS architecture for future wireless IP networks

    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/42219

    Title: A QoS architecture for future wireless IP networks
    Authors: Jyh-Cheng Chen;Caro,A.;McAuley,A.;Baba,S.;Ohba,Y.;Ramanathan,P.
    教師: 陳志成
    Date: 2000
    Publisher: ACTA Press
    Relation: Proceedings of 2000 Conference on Parallel and Distributed Computing and Systems, Las Vegas, NV, USA, 6-9 Nov. 2000, vol.2, pp. 449-454
    Keywords: Internet
    mobile computing
    quality of service
    wireless LAN
    Abstract: ©2000 ACTA-The paper presents a QoS architecture framework with preliminary protocol specifications for next generation wireless IP networks. The architecture is based on differentiated services, in that traffic are aggregated and forwarded in a backbone network based on per hop behaviors; however, it also offers a dynamic per session QoS negotiation which is needed to efficiently support roaming users. The proposed architecture has at least one global server and many dumb local nodes in each administrative domain. The server is referred to as the QoS Global Server (or QGS), and local nodes are referred to as QoS local nodes (or QLN). QLNs are ingress nodes of the DS (Differentiated Service) domain which police traffic for agreement with the Service Level Specification (SLS). The mobile nodes do not do any negotiation with the dumb QLNs; rather they negotiate with the QGS. The QGS is basically a dynamic version of a differentiated services bandwidth broker, which stores global information of the whole domain. The QGS informs the QLNs what to do when traffic comes in. By retaining the global information in central server and separating control and transport, the architecture is flexible, easy to add new services, and efficient for mobile environment
    URI: http://www.actapress.com/
    Appears in Collections:[資訊工程學系] 會議論文

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