The packet of same application class come into the same queue, and then are divided into different logical sub-queues by packet priority in the queue.
相同类型应用的数据包进入同一队列，在队列内部按分组的优先级分成不同的逻辑子队列。
2
In P2P mode, a message producer sends a message to a specific message consumer through a queue, whereas pub-sub is intended for the one-to-many or many-to-many broadcast of messages.
JMS messaging domain — Leave the default value, Point-to-Point, because we are using a specific queue to which messages are sent, as opposed to a pub-sub topic.
JMS消息传送域——保留point - to - Point(点到点)缺省值，因为我们将使用特定的队列接收消息，这与发布-订阅主题相反。