Also, if a target endpoint is not reachable by the mediator, then the mediator typically provides a durabilityservice to help ensure the message is eventually delivered.
同样，如果中介无法达到目标端点，则中介通常会提供耐久性服务来帮助确保消息将最终交付到目标位置。
2
These include different classes of service, subscription durability, and the queues which messages are published to or read from.
其中包括服务的不同类、订阅持久性和将消息发布到或从中读取消息的队列。
3
Durability issues. Mio customer service difficult to reach.