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	Modeling and improvement of PIM-SM protocol
	Li Dan ; Wu Jian-Ping ; Cui Yong ; Xu Ke ; Liu Ying
	2010-05-06 ; 2010-05-06
关键词	Practical Theoretical or Mathematical/ multicast protocols Petri nets routing protocols stochastic processes/ PIM-SM protocol protocol-independent multicast-dense mode intra-domain multicast routing protocol stochastic Petri net router processing load register message Join/Prune message bootstrap message/ B6150M Protocols B0250 Combinatorial mathematics C5640 Protocols C1160 Combinatorial mathematics
中文摘要	PIM-SM (protocol-independent multicast-dense mode) is currently the preferred intra-domain multicast routing protocol. One problem that impedes its widely use is its high overhead of control messages. In order to improve and optimize the PIM-SM, its performance model should be established and the nicety performance analysis should be made above all. In this paper, the stochastic Petri net (SPN) model of the whole PIM-SM protocol is established, and the analysis and the experiments are made on the router processing load caused and the network bandwidth consumed by each type of the protocol messages, based on the model and router realization. It is discovered that register message and Join/Prune message cause most router processing load, while Join/Prune message and bootstrap message consume most network bandwidth. According to the conclusion of performance analysis, an improvement is made on PIM-SM, which is achieving better performance compared with the former protocol.
语种	中文 ; 中文
出版者	Science Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/10128]
专题	清华大学
推荐引用方式 GB/T 7714	Li Dan,Wu Jian-Ping,Cui Yong,et al. Modeling and improvement of PIM-SM protocol[J],2010, 2010.
APA	Li Dan,Wu Jian-Ping,Cui Yong,Xu Ke,&Liu Ying.(2010).Modeling and improvement of PIM-SM protocol..
MLA	Li Dan,et al."Modeling and improvement of PIM-SM protocol".(2010).

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