IP multicast group key management is essential for the IP multicast security.
IP多播组密钥管理问题是IP多播安全的核心问题。
The IKE concept can not be used for securing group communication based on IP multicast services since it is only addressed to pairwise security.
IKE的概念并不能用于基于IP多播服务的安全组播通信，因为它只能用于主机对之间的安全。
The radio system makes very efficient use of router resources in the system by creating Multicast IP groups only for the duration of a group call.
无线系统通过为群组创建多个网络协议而高效地利用了系统中的路由器资源。
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