The analysis indicates that this scheme can satisfy the delay requirements of anycast group management, and is secure, robust and scalable. 分析表明，該方案可以滿(mǎn)足選播組管理的時(shí)延要求。
Abstract class defines a reference to a member of the multicast group. 抽象類(lèi)定義了對多播組成員的引用。
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