iLink 2 Administrative Message Formats
Administrative messages are used to establish and maintain a FIX session with CME Globex over which business functions are transacted.
Logon - from client system to CME Globex
Logon - from CME Globex to client system
iLink 2 Heartbeat - sent at regular intervals between systems to ensure connection and in response to a test request
iLink 2 Test Request - sent to test connectivity from one system to another
iLink 2 Resend Request - request a range of ordered messages resent from the counterparty
iLink 2 Session Level Reject - sent when the inbound (client system to CME) message fails to pass a CME session-level validation
iLink 2 Business Level Reject - sent when the inbound (client system to CME) message fails to pass a CME business-level validation
iLink 2 Sequence Reset - synchronize sequence numbers on the sending and receiving sides
iLink 2 Logout - sent to logout and as logout acknowledgment
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