Using an asynchronous exchange avoids the risk of losing the connection (because of server maintenance and so on) and, thus, the response.

使用异步交换能够避免失去连接(因为服务器维护等等)以及因此而失去响应的风险。

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The application-to-application message exchange is asynchronous — one application does not wait for the other application to receive the message.

应用程序到应用程序的消息交换是异步的——应用程序不必等到另一个应用程序收到消息。

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In addition, JSON is used to minimize data exchange when making the asynchronous calls.

此外，还使用了JSON来最小化进行异步调用时的数据交换。

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