Optical multicast provides a way of sending message from one node two multiple nodes in optical network.
光网络多播为高效地运行视频会议和网络电视等业务提供了可能性。
The fast restoration of optical multicast trees is realized through this part restoration, which focuses on failed node or link.
通过这种集中于故障链路或节点的局部恢复，组播树的快速恢复得以实现。
However, owing to some limitations on optical buffer, light splitter, and wavelength converter, optical multicast at optical layer offers different characteristics from those at IP layer.
然而，光层组播由于光缓存、光分束和光波长变换等光器件的限制，呈现出和IP层组播不同的特点。
Multicast scheduling algorithm is a core technology in DWDM multicast optical switching networks.
多播调度算法是DWDM多播光交换网的核心、关键技术。
In the future, multicast technologies can be promoted through lowering the threshold for multicast applications, that is, decreasing the granularity for an optical network multicast tree.
未来，可以通过降低光网络组播树的粒度来降低光组播的使用门槛，这将有利于促进组播技术的更广泛使用。
Overlay networks will integrate multicast capabilities of the IP and optical network.
层叠网络的进一步演进，将进一步融合ip组播和光网络组播。
Overlay networks will integrate multicast capabilities of the IP and optical network.
层叠网络的进一步演进，将进一步融合ip组播和光网络组播。
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