The time taken for this round-trip of request and acknowledgment determines the network's latency.

就是因为这种往返的要求和回应，导致了网络的延迟。

youdao

Although unlikely, it is possible that the RPC server will die just after sending us the answer, but before sending an acknowledgment message for the request.

尽管几率很小，可还是有可能??RPC服务在给我们发送完响应后宕掉，但还没来得进行消息确认。

youdao

However, you can request that an acknowledgment message be sent if a delivery failure prevents a message from arriving in the queue.

不过，您可以请求在传递失败妨碍了消息到达队列时发送一条确认消息。

youdao

The time taken for this round-trip of request and acknowledgment determines the network's latency.

ECONOMIST: The faster the internet becomes, the slower it loads pages