摘要
本文设计了一种新的应用层多播方案（HRB），提出层次多环的叠加网结构模型．该模型采用区间划分技术，在叠加网上建立传输拓扑转发数据；并且根据地理位置信息，将端系统组织到不同的环状拓扑中进行管理以减轻主干网络的链路压力．仿真结果显示，该方案在控制负载、带宽利用率、物理网络的链路压力以及路径长度方面存在优势．
The paper proposed a novel ALM （Appfication Layer Multicast） model called HRB （Hierarchical Ring Based） based on hierarchical multi-ring architecture. Adopting the space-dividing technology, the transmitting topology was established above the overlay network, and also, different end-hosts were mapped into different ring topologies to distinguish their geographic information,and this reduced the link stress in the backbone network. Simulation results demonstrate that the efficiency metrics, such as control overhead,link stress,and path length in HRB are improved.
出处
《电子学报》
EI
CAS
CSCD
北大核心
2007年第B12期156-159,共4页
Acta Electronica Sinica
关键词
应用层多播
控制负载
链路压力
路径长度
application layer multicast
control overhead
link stress
path length
