Abstract
This paper summarizes the concept of multicast and the routing protocols, analyzes the principles of PIM-SM, and simulates PIM-SM in three scenarios on OPNET. As the simulation results show, in contrast to unicast, PIM-SM consumes less bandwidth, resulting in lower link occupancy rate. However, the higher end-to-end delay makes the switching from RPT to SPT long. Besides, when the recipient router locates between the sending router and RP, PIM-SM forwards redundant packets, and it is possible that the end-to-end delay of group members can be reduced. Furthermore, this paper explores the disadvantages of the standard PIM-SM and gives some improvements.
Support by the National Science Foundation for Post-doctoral Scientists of China and the Natural Science Foundation of Hubei Province.
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Wu, L., Ding, S., Wu, C., Wu, D., Chen, B. (2010). The Research and Emulation on PIM-SM Protocol. In: Zhang, W., Chen, Z., Douglas, C.C., Tong, W. (eds) High Performance Computing and Applications. Lecture Notes in Computer Science, vol 5938. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-11842-5_64
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DOI: https://doi.org/10.1007/978-3-642-11842-5_64
Publisher Name: Springer, Berlin, Heidelberg
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