Tommaso Teofili created SLING-3395:
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             Summary: Event based reverse replication
                 Key: SLING-3395
                 URL: https://issues.apache.org/jira/browse/SLING-3395
             Project: Sling
          Issue Type: Improvement
          Components: Extensions
            Reporter: Tommaso Teofili
            Assignee: Tommaso Teofili


Currently polling from remote instances can be done periodically via a 
"schedule" rule. An improved design would allow the poller to get notifications 
about when a new item to poll is available. Implementation wise this can be 
done via Websocket, Server Sent Events, Long Poll, etc. since it allows the 
polling instance to establish the connection and the polled instance to signal 
events there (like a command channel) asynchronously and let reverse 
replication happen only when needed.



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