A novel AF+ service for VoIP applications over a Diff-Serv/MPLS network

被引:0
|
作者
Su, HK [1 ]
Chen, H [1 ]
Wang, CY [1 ]
Chen, KJ [1 ]
机构
[1] Natl Chung Cheng Univ, Dept Elect Engn, Chiayi 621, Taiwan
关键词
D O I
暂无
中图分类号
TN [电子技术、通信技术];
学科分类号
0809 ;
摘要
A Diff-Serv/MPLS network provides three service classes, including EF, AF, and BE classes. All of these conventional differentiated services in DiffServ/MPLS network only provide one EF-class service, one AF-class service, or one BF-class service to a group of VoIP users individually. We propose a novel AF(+) service model for VoIP applications over a Diff-Serv/MPLS network. The AF(+) service model has the advantages of EF-class service and AF-class service simultaneously. We discuss the alternative issues of QoS, provisioned bandwidth utilization and call blocking rate about the AF(+) service model. Our numerical results are useful for VoIP users and network manager to contract SLA and plan network resource distribution.
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收藏
页码:4846 / 4850
页数:5
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