本文主要探讨在以太网交换机上的一种组播协议：组播侦听协议。
In this paper, the multicast protocol (IGMP Snooping) on Ethernet switch is discussed.
在一个不支持IP组播机制的广域骨干网中，如何随时建立一个IP组播隧道机制。它与体系协议有关。
It has relation with the system agreement that how we establish momentarily an IP multicast tunnel mechanism in WAN which does not support IP multicast mechanisms.
多播调度算法是DWDM多播光交换网的核心、关键技术。
Multicast scheduling algorithm is a core technology in DWDM multicast optical switching networks.
本发明公开了一种组播网中RP状态检测方法、装置、RP装置和组播系统。
The invention discloses a method for detection of an RP state in a multicast network, a device, an RP device and a multicast system.
在本文中，笔者首先对已有IP组播控制技术分析，针对城域以太网的二层网络对IP组播控制技术进行研究。
This will cause multicast service deployed more difficulty on Metro-E network. In this paper, I analyze and study IP multicast control technology on L2 Metro-E network.
在本文中，笔者首先对已有IP组播控制技术分析，针对城域以太网的二层网络对IP组播控制技术进行研究。
This will cause multicast service deployed more difficulty on Metro-E network. In this paper, I analyze and study IP multicast control technology on L2 Metro-E network.
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