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The Resend Request message is used to request retransmission of messages from the counterparty when a sequence gap is detected. When a sequence gap is detected (i.e., when the incoming message sequence number is greater than expected), a Resend Request should be sent to request retransmission of the missing messages.
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header
required
MsgType 2
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7 - BeginSeqNo
integer
required
First message sequence number to be resent.
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16 - EndSeqNo
integer
required
Last message sequence number to be resent. Set to 0 to request all messages from BeginSeqNo onwards.
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trailer
required