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一种支持小扇出多播业务均衡的信元排队策略

DOI: 10.13190/j.jbupt.2014.05.019, PP. 91-95

Keywords: 多播扇出,入队策略,调度算法,流量均衡

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Abstract:

当多播业务扇出数较小时,现有的多播信元入队策略均衡能力差,造成多播队列数目增加却不能使调度算法从中获利的现象,为此提出了一种加权取模的多播信元入队算法,对扇出位的加权和进行取模运算.以此作为多播信元入队的依据,可更好地均衡小扇出数的多播信元.仿真结果表明,小扇出多播业务下,调度算法采用加权取模入队策略时的吞吐率要高于采用传统入队策略时的吞吐率.

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