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Using the Integration Capabilities of the VPO Motif-based GUI
Event Integration Through Messages
Chapter 3 121
Figure 3-14 shows how duplicate messages are suppressed. Assume that
the suppress condition has been defined as follows:
❏ Suppress identical messages occurring within:
• A suppression time interval of “1m”
• Accept message after every “3m”
Figure 3-14 Suppressing Duplicate Messages
In Figure 3-14, the first message (1) is sent because it is the first
occurrence of the event. The second message (2) is sent because more
than 1m (60s) have elapsed between the previous event and the current
event. The third message (3) is sent because 3 minutes (180s) have
elapsed since the last message was sent and events are still coming.
60 120 180 240 300 3600
time [s]
36 24 18 72 30 30 30 30 30 30 30
Message
Message
Message
12 3
0 12345
sent
sent
sent
Incoming Identical Events
6 time [m]