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Modeling and simulation of spanning tree protocol based on OPNET
Author(s): 
Pages: 105-109
Year: Issue:  5
Journal: ELECTRONIC MEASUREMENT TECHNOLOGY

Keyword:  OPNET生成树STPRSTP网络仿真;
Abstract: 本文以生成树技术为重点,结合网络仿真软件OPNETModeler,详细分析了在该软件环境下STP、RSTP的建模机制.以一个包含6个网桥的环状拓扑为例,构建了网络仿真模型.通过测试3个Ethernet_station接收数据的情况,详细分析比较了STP和RSTP在拓扑变化方式、收敛时间、资源占用量等方面的差异.通过对所设计的环状拓扑的模拟仿真,可以有效地测试出RSTP在拓扑变化方式和收敛时间上对STP所作的改进,并且还能有效地测试出RSTP对STP有着较好的兼容性.仿真实验所得的结果验证了2个协议的正确性和有效性.
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