大型cell会增加操作风险并使位于cell中的组件或应用程序出现单点故障。
Large cells can increase operational risk and become single points of failure for components or applications that reside within them.
通过聚集和合并FOAF文件，您可以获得同操作集中式目录服务相同的效果，而没有单点故障或单点控制的任何问题。
By aggregating and merging the FOAF files, you can achieve the same effect as operating a centralized directory service, without any of the issues of single points of failure or control.
同步复制使用分布式事务处理管理复制数据操作，(几乎)同时的作为工作单点，将操作应用到所有复件。
Synchronous replication copies data operations using distributed transaction management that applies operations to all copies (almost) simultaneously as a single unit of work.
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