Receiving clients can either log on periodically and check for new messages or set up a listener component that is always online awaiting new messages from the provider.

接收消息的客户机可以周期性地上线并检查新的消息，或者也可以设立一个侦听器组件，令其一直处于在线状态以等待来自提供者的消息。

youdao

The mediation flow may simply log that a request was passed from requester to provider, block requests from unknown or unauthorized requesters, or block requests based on provider availability.

中介流可以简单地记录某个请求已从请求者传递到了提供者，阻止来自未知或未经授权的请求者的请求，或者基于提供者可用性来阻止请求。

youdao

Log in to the provider DataPower domain gateway.

登录到提供者datapower域网关。

youdao

As the Internet evolved, consumers could log on directly through their cable provider or phone provider.

FORBES: Firefox OS Turning Up Heat On Apple And Google