计算机科学 ›› 2014, Vol. 41 ›› Issue (10): 149-153.doi: 10.11896/j.issn.1002-137X.2014.10.034
乔冠华,毛剑琳,郭宁,胡宇杰,王乐
QIAO Guan-hua,MAO Jian-lin,GUO Ning,HU Yu-jie and WANG Le
摘要： 针对多种业务并存的动态网络,提出网络负荷概率判断的自适应业务区分动态退避算法——PJNL_ASDB算法。其通过概率机制判断当前网络状况,引入权值参数对优先级不同的业务采用自适应的动态退避方案,以实现不同优先级业务更合理的退避。二维离散时间的马尔科夫链模型数值分析与NS2仿真结果表明,PJNL_ASDB算法在网络状况不断变化的情况下不仅能够保证高优先级业务的传输性能要求,而且提高了低优先级业务的网络性能。
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