similar to the transactional model, the service provider must decide whether its service interface will deal with the aspects of managing this revenue model or if its will manage their revenue through out-of-band relationships 类似于事务处理模式,服务提供者必须决定服务界面是否处理管理收入模式方面的问题,或者是否能够通过out-of-band关系来管理收入。