It is responsible for active network discovery, polling for device outages and services, and intercepting or processing asynchronous events from devices, services, or higher level distributed agents.

第一层负责发现活动网络，轮询服务和设备是否出故障，以及截获或处理来自设备、服务或更高层分布式代理的异步事件。

youdao

You first enable the console terminal (TTP) and associate the programmable asynchronous line controller (PAS) and magnetic tape controller (MT) to avoid device number conflicts.

您首先要启动控制台终端 (TTP) 并将可编程异步线路控制器 (PAS) 和磁带控制器 (MT) 结合在一起以避免设备号冲突。

youdao

Note that after a mksysb restore, on AIX 5.3, you will need to reconfigure the Asynchronous I/O (aio0) device (if you use it).

注意，在 mksysb 恢复之后，在 AIX 5.3 上需要重新配置 Asynchronous I/O (aio0) 设备（如果使用它的话）。

youdao

Making the processing of the voice recognition a function of the hardware of the device, makes that aspect of the application asynchronous with the actual database query.

FORBES: Client vs. Server Architecture: Why Google Voice Search Is Also Much Faster Than Siri