数据分发管理实现基于值的过滤，可进一步减少大规模仿真中盟员接收冗余数据的可能性和网络中的数据流量。

To decrease the redundant data received by federate and the volume of information in network, data distribution management implements filtration based on value.

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虽然你的个人电脑只能保存一个文件的一个副本，但像 Facebook 这样的大型服务项目，则会依赖于所谓的内容分发网络来管理数据和分发。

While your personal computer only keeps one copy of a file, large-scale services like Facebook rely on what are called content delivery networks to manage data and distribution.

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PMS负责管理及分发策略信息，但并不拥有所有策略数据，它只保留个别(客户端)服务的属性信息。

PMS is responsible for managing and distributing policy information but does not own all policy data, which remains the property of individual (client) services.

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