Document Metadata Subscription - IHE

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IHE Technical Framework Supplement - Document Metadata Subscription (DSUB)1095 4.4.1.3 Combined Subscriber/Notification RecipientPublisher↓ Publish 4.4.2.3Notification BrokerNotify 4.4.2.2 ↓↑ Subscribe 4.4.2.1NotificationRecipientSubscriberFigure 4.4.1-3 Combined Subscriber/Notification Recipient Actor Diagram1100In many cases, the Notification Recipient will have the capability to manage its ownsubscriptions, thus making the grouping of Subscriber and Notification Recipient a commonoccurrence.4.4.1.4 Combined Publisher/Notification Broker and CombinedSubscriber/Notification RecipientPublisherNotification BrokerNotify 4.4.2.2 ↓↑ Subscribe 4.4.2.1NotificationRecipientSubscriberFigure 4.4.1-4 Minimal Pub/Sub Actor Diagram2009-08-10 44 Copyright © 2009: IHE International
IHE Technical Framework Supplement - Document Metadata Subscription (DSUB)1105 In many data exchange cases there is only a need for two end points to establish apublish/subscribe relationship. Combining the Notification Recipient and Subscriber on one end,and the Publisher, and Notification Broker on the other is sufficient to provide publish/subscribefunctionality. It is expected that the simplicity of this pattern will make implementations easier.4.4.1.5 Cascading NotificationsPublisherNotification BrokerNotify ↓↑ SubscribeNotificationBrokerPublisherNotificationRecipientSubscriberNotify ↓↑ SubscribeNotificationRecipientSubscriber1110Figure 4.4.1-5 Cascading NotificationsIn some cases, the Notification Recipient may be grouped with another publisher, which allowsthe results of matching one subscription filter to become the input to another set of subscriptionfilter matches. This figure shows a possible configuration for such a case.2009-08-10 45 Copyright © 2009: IHE International
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Document Metadata Subscription - IHE

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