Used to verify communication with TT FIX
From TT FIX to FIX client and from FIX client to TT FIX
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|Tag #||Field Name||Req’d||Data type||Comments|
For additional information about this component group, consult the documentation.
Identifier included in the Test Request (1) message
Condition: Sent only in a response to a Test Request (1) message, in which case, the value matches Tag 112 (TestReqID) sent in the request.
|Y||For additional information about this component group, consult the full documentation.|
During periods of inactivity, FIX clients should generate a heartbeat message at regular time intervals. The Heartbeat (0) message is used by a FIX client to monitor the status of the communication link. You specify the heartbeat interval timer in Tag 108 (HeartBtInt) of the Logon (A).
FIX clients should reset the heartbeat interval timer after every transmitted message (not just heartbeats). When either party stops receiving data for the specified heartbeat interval, it should send a Test Request (1) message to verify the connection. The counterparty should send a Heartbeat (0) message in response. If a party receives no Heartbeat (0) message in a reasonable amount of time, the connection should be considered lost.