由于这个原因，云计算管理系统需要拥有处理长时运行任务并与用户保持异步通信的能力。

For this reason, cloud management systems need to have the ability to handle long running tasks and maintain asynchronous communications with the user.

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考虑到时间问题，需要创建一个子系统，该子系统能够处理这些长时运行任务，向用户显示处理进度，并编制需要采取的后续步骤。

Because of the time involved, a sub-system needed to be created that could handle these long running tasks, keep the user informed of progress, and choreograph the next steps that needed to be taken.

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