"Durable Subscription Server Facet" Profile

 Description This Facet specifies support of durable storage of data and events even when Clients are disconnected. This Facet implies support of any of the DataChange or Event Subscription Facets.
 URI http://opcfoundation.org/UA-Profile/Server/DurableSubscription

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Subscription Services
Include  Name Opt.  Description  From Profile  Test Cases
Subscription Durable Support setting Subscriptions in durable mode. This mode requires that collected data and events are stored and delivered even if a Client was disconnected for a longer time or the Server was restarted.
Support one of the “Subscription Durable StorageLevel nnn” ConformanceUnits.
  Open
Subscription Durable StorageLevel Small Support at least 20 monitored items with a queue size of 10000 for each item and where the size of each MonitoredItem is at least equal to size of Double. This requires storage capacity for 200 thousand values of DataType Double.   Open
Subscription Durable StorageLevel Medium Support at least 100 monitored items with a queue size of 50000 for each item and where the size of each MonitoredItem is at least equal to size of Double. This requires storage capacity for 5 million values of DataType Double.   Open
Subscription Durable StorageLevel High Support at least 2000 monitored items with a queue size of 200000 for each item and where the size of each MonitoredItem is at least equal to size of Double. This requires storage capacity for 400 million values of DataType Double.   Open