New connections are assigned to a particular dispatcher and stay with this dispatcher throughout the life of the connection.
新的连接被分配给特定的分配器，并在连接的整个生命周期中都与这个分配器保持在一起。
2
It decides if the agent can stay or not when the connection disconnects.
它决定当连接断开时代理是否与连接保持在一起。
3
Code in either the consumer or the producer can change, but as long as the JMS messages stay consistent, the connection between the two of them won't break.