DICOM PS3.17 2019a - Explanatory Information

GGG.3.3 Gift Subscriptions (Current)
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### GGG.3.3 Gift Subscriptions

The UPS Subscription allows the Receiving AE Title to be different than the AE Title of the SCU of the N-ACTION request. This allows an SCU to sign up someone else who would be interested for a subscription. For example, a reporting workflow manager could subscribe the RIS to UPSs the reporting workflow manager creates for radiology studies, and subscribe the CIS to UPSs it creates for cardiology studies. Or a RIS could subscribe the MPPS broker or the order tracking system to the high level UPS instances and save them from having independent business logic to determine which ones are significant.

This can provide an alternative to systems using global subscriptions to stay on top of things. It also has the benefit of providing a way to avoid having to "forward" events. All interested SCUs get their events directly from the SCP. Instead of SCU A forwarding relevant events to SCU B, SCU A can simply subscribe SCU B to the relevant events.

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DICOM PS3.17 2019a - Explanatory Information