On an IP Network supporting multicasting there are such things as multicast groups.
On an IP Network supporting multicasting there are such things as multicast groups.
在一个支持多播的IP网络上，这里存在一些象多播组的事物。
On an IP Network supporting multicasting there are such things as multicast groups.
在一个支持多播的IP网络上，这里存在一些象多播组的事物。