| 基于多协议标签交换的IP组播技术 |
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| 引用本文： | 李小勇,张卫.基于多协议标签交换的IP组播技术[J].计算机应用,2005,25(11):2472-2474. |
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| 作者姓名： | 李小勇 张卫 |
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| 作者单位： | 天水师范学院,计算机系,甘肃,天水,741000;华东师范大学,计算机系,上海,200062 |
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| 摘 要： | 多协议标签交换（MPLS）和组播技术的结合可以获得MPLS的高速率、QoS、流量工程、VPN和组播的带宽节省两方面的益处，MPLS和组播是两种互补的技术，这对于带QoS参数的实时的多媒体应用是必须和紧迫的。文章综述了MPLS组播技术在实现机制、组播树的构建等方面的基本原理和研究进展，分析了存在的问题和发展方向。
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| 关 键 词： | MPLS组播 可扩展性 标签聚集算法 边界路由器组播 MPLS组播树 |
| 文章编号： | 1001-9081（2005）11-2472-03 |
| 收稿时间： | 2005-05-23 |
| 修稿时间： | 2005-05-232005-08-10 |
IP multicast techniques based on MPLS domain |
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| LI Xiao-yong,ZHANG Wei.IP multicast techniques based on MPLS domain[J].journal of Computer Applications,2005,25(11):2472-2474. |
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| Authors: | LI Xiao-yong ZHANG Wei |
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| Affiliation: | 1. Computer Department, Tianshui Teacher College, Tianshui Gansu 741000, China; 2. Computer Department, East China Normal University, Shanghai 200052, China |
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| Abstract: | Merging MPLS and multicast techniques can acquire two advantages: saving bandwidth of multicast and supporting high-speed,QoS,traffic engineering and VPN in MPLS.Multicast and MPLS are two complementary techniques.MPLS multicast is pre-requisite and urgent for multimedia real-time steaming traffic with QoS parameters(such as bandwidth,delay,etc).Basic principles and research results of implementing mechanism,multicasting tree foundation in MPLS multicast were summarized.The existed problems and future research prospects were discussed. |
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| Keywords: | MPLS multicast scalability label aggregation algorithm edge routers multicasting MPLS multicast tree |
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