本文探讨的重点是组播密钥管理如何为组成员生成组密钥、分发组密钥和更新组密钥，以及由此产生的扩展性、健壮性和可靠性问题。

The emphases of this paper are to find methods for multicast key management, which is to generate, distribute and update keys and to solve the problem of scalability, robustness and reliability.

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他们需要随后将其更改分发给其他组，所有的团队必须找到一个大家都认可的点——一组共同的测试和模拟，并据此重新进行同步。

They then need to distribute their changes to the other teams, and all of the teams must find a point of agreement — a common set of tests and mocks — to resynchronize against.

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分发：将消息分发到一组相关方，通常由订阅者的相关概要驱动。

Distribute: Distributes the message to a set of interested parties and is usually driven by the subscribers' interest profiles.

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