The service virtualization patterns describe how we might provide true loose coupling between services by providing additional levels of indirection through an Enterprise service Bus.
服务虚拟化模式描述我们如何通过企业服务总线提供额外的间接级别来提供服务间的真正松散耦合。
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Having your application publish events into a service bus and subscribe to other events is a method of loosely coupling your application for application integration activities.
DS: Software Group's notion of the enterprise service bus is that it's not an end in itself, but a means to an end — a way to craft looser coupling between self-defining interfaces.