The incoming XML message is assessed on arrival through a particular channel to determine the destination service.
使用特定的通道对传入的XML消息在其到达时进行评估，以确定目标服务。
2
When suspended, the device should simply allow all incoming integers to pass through unchanged on its output channel.
在中止的时候，设备只应当允许全部进入的整数不经变化地通过它的输出通道。
3
A Channel should be registered according to the events it will handle. For instance, a Channel that accepts incoming connections should be registered as shown here.