compatibility with IP multicast IP组播兼容性
network multicast with ghost ghost网络多播技术
multicast with multiple streams 多目多流
The problem with multicast protocols is that they are still not very popular.
多点传送协议的问题是它们还不太普及。
With multicast, a single stream can be picked up by each client, saving bandwidth.
有了多播，每个客户机能拾取单一数据流而节省带宽。
Even for companies with multicast-enabled networks, there is a lack of management tools to ensure smooth operation.
甚至对拥有允许多播的网络的公司来说，也缺乏保证顺畅运行的管理工具。
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