摘要
提出了一种新的基于虚电路的可靠组播技术。首先分析了可靠组播的几个要素,然后介绍了基于虚电路的可靠组播机制,如资源预留、间隙整形、优先级策略等,最后设计了基于虚电路的组播模型。该模型结合多路径备份方法和特殊的重传机制,可以实现在某条链路出现故障的情况下迅速地恢复正常通信,大大地提高了组播的可靠性。
A novel reliable multicast protocol in virtual circuit networks was proposed. Firstly, the key factor of reliable multicast was analyzed, and then some mechanisms was used to grantee the reliablility of multicast, eg. resource reservation, traffic shaping, PRI strategy. Finally, by using path-doubling method and special restransmission mechanism, the proposed scheme can resume communication rapidly when one link fault.
出处
《计算机应用研究》
CSCD
北大核心
2007年第7期191-194,共4页
Application Research of Computers
基金
国家自然科学基金资助项目(69871005)
电子科学大学青年科技基金资助项目
关键词
虚电路
可靠组播
资源预留
间隙整形
多路径路由
virtual circuit
reliable multicast
resource reservation
traffic shaping
path-doubling