This paper emphatically research services in middle-tier provided by COM+, such as transaction manage, queued components, event model, role-based security, load balance, in-memory database.
着重研究了COM+在中间层所提供的事务管理、排队组件、事件模型、基于角色的安全机制、负载平衡、内存数据库等服务。
参考来源 - COM+技术及应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The Queued Components service handles the poison message by using a series of retries.
“排队组件”服务通过使用一系列的重试来处理有害消息。
Poison messages remain in the resting queue until manually moved by using the Queued Components message Mover tool.
有害消息一直保留在静止队列中，直至您通过使用排队组件消息移动工具将它们手动移出。
See the discussion on stateful components in the first article in this series to learn about the problems that data instability can cause with regard to queued events on a UIData component.
请参阅本系列第一篇文章中关于有状态组件的讨论，了解数据不稳定可能对UIData组件的列队执行事件所造成的问题。
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