Gap Request Message Fields

The Gap Request message is used by a user's process to request retransmission of a sequenced message (or messages) by one of CFE's gap servers.

Table 1. Gap Request
FieldOffsetLengthValue/TypeDescription
Length01BinaryLength of this message including this field.
Message Type110x03Gap Request message
Unit21BinaryUnit that the gap is requested for.
Sequence34Binary
  • Sequence of first message
  • (lowest sequence in range).
Count72BinaryCount of messages requested.
Total Length = 9 bytes
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