4.1.1 Message 1
Node A sends Message 1 to the receiver, Node B. This message is three Data frames (section 2.2.2) in length and is marked as reliable.
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Message 1: DATA FRAME: 1 Flags: STA, RLY messageid: 0, sequence: 0, serial: 0 Message 1: DATA FRAME: 2 Flags: RLY messageid: 0, sequence: 1, serial: 1 Message 1: DATA FRAME: 3 Flags: EOM, RLY messageid: 0, sequence: 2, serial: 2
All three Data frames arrive on the receiver, Node B, and the receiver indicates this to the higher layers.
The receiver sends back an ACK frame to the sender, Node A.
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Flags: ACK messageid: 0, sequence: 2, bytes received: 4500