基于最大干扰网络编码的应用层多播算法

摘要

The application-layer multicast in end-system has overwhelming advantages compared with network-layer multicast.For improving the efficiency and performance of application-layer multicast, a multicast algorithm based on maximum interference network coding was presented.After adopting network coding, the new algorithm selected the maximum interference paths from source to every destination to improve coding efficiency and save network bandwidth.The simulations show that compared with non-coding multicast and simple network coding multicast algorithm, the new algorithm performs better in network throughout put and resource utilization.%构建于终端系统的应用层多播具有网络层多播不可比拟的优势,为了提高应用层多播的效率和性能,提出一种基于最大干扰网络编码的应用层多播算法.该算法在采用网络编码的基础上,在多播路径选择上通过考虑源到多个目的节点路径间的最大干扰,来提高编码的利用效率,有效节省带宽.仿真表明,相比较一般应用层多播算法和基于网络编码的多播算法,本算法在提高网络吞吐量和资源利用率方面都有更好的表现.