Example message exchange sequence between OpenFlow & SDN Controller

Further to understanding the OpenFlow messages that are exchanged between hardware and a SDN Controller in Understanding OpenFlow Communication Channel, I thought it will be nice to know the sequence in which these messages are exchanged.

Based on my understanding using wireshark, a OpenFlow switch and OpenDaylight, below is a visual sequence diagram explaining major message exchanges I could see.

OF Message Exchange Sequence

 

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