文档介绍：第38卷增-D](I) 2008年9月东南大学学报(自然科学版) JOURNAL OF SOUTHEAST UNIVERSITY(Natural Science Sept. Sup(I) 2008 基于有限可分流的P2P流媒体网络建模与性能分析吴家皋1’2 陶军2 邹志强1 (1南京邮电大学计算机学院计算机技术研究所,南京210003) (2东南大学计算机网络和信息集成教育部重点实验室,南京210096) 摘要:针对基于流体(FB)的P2P网络模型在处理流媒体不可无限分割情况下的不足,研究并提出了基于有限可分流(LDSB),受最小子流速率的限制,,随着最小子流速率的减少,LDSB ,选择适当的最小子流速率以及服务器上传带宽等系统参数,能使LDSB模型的系统性能达到FB模型的理论上限并避免系统部署中不必要的资源浪费. 关键词:P2P网络;流媒体;理论:模型;性能分析中图分类号:TP393 文献标识码:A 文章编号:(2008)增刊(I).0145—05 Limitedly dividable stream--based modeling and performance analysis ofP2P works Wu Jiaga01,2 Tao Jun2 Zou Zhiqian91 puterTechnology,College puter,Nanjing University ofPosts municafions,Nanjing 210003,China) (2l(workandInformationIntegrationofMinislryofF_曲acafion,SoutheastUniversity,Nanjin9210096,China) Abstract:Due tothedeficiency offluid-based(FB)work model indealing with thestream which could notbedivided infinitely,a limitedly dividable stream—based(LDSB)model was studied and proposed forP2P close—forillexpression ofmaximum universal streaming rateof LDSB model was given and proved results oftheoretical analysis and numerical calculation show thatthemaximum universal streaming rateofLDSB model can not begreater thanthat ofFB model because ofthelimimtion ofminimum sub streaming ,with thedecrease