4)Invoke High Performance Message Transfer between Observers and Sources specified in Message Event |
3)Source Callbacks Listener with Message Event |
Listener |
Source Control |
(proxy) |
1)Register Listeners |
with Master Source |
Server Tier |
Data Source |
Data Sink (Observers) |
5)Actual Data Transfer |
High Performance Tier |
2)Prepare |
Message Event in Source Control at middle or backend tier |
1)Register Observers with Listener |