Document Metadata Subscription - IHE
Document Metadata Subscription - IHE
Document Metadata Subscription - IHE
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<strong>IHE</strong> Technical Framework Supplement - <strong>Document</strong> <strong>Metadata</strong> <strong>Subscription</strong> (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: <strong>IHE</strong> International
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