The protocol design has to take care of tracking pending requests and identifying which request the response corresponds to.

协议设计必须考虑跟踪挂起的请求，并确定某个响应对应于哪个请求。

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But instead of sending any response to the client as a result of the exception, the request is held in a queue of pending Continuations, and the HTTP connection is kept open.

但是发生该异常之后并没有将响应发送给客户机，请求被放到处于等待状态的Continuation队列中，而HTTP连接仍然保持打开状态。

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The second, known as piggyback, doesn't create any connections to the server. Instead, it waits until another DWR service call occurs and piggybacks pending events onto this request's response.

第二种称为piggyback，这种机制并不创建任何到服务器的连接，相反，将一直等待直至发生另一个DWR服务，piggybacks使事件等待该请求的响应。

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"We are now putting that deployment on hold, pending Microsoft's response, " the user said.

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The legal document was filed on behalf of deputy White House counsel Bruce Lindsey in response to a pending lawsuit by the conservative legal group Judicial Watch, which released it.

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Willumstad's response may change dramatically, however, if AIG fails in its pending lawsuit to force Greenberg's Starr International to hand over the AIG shares.

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