Hi! I´d like to use the OpenFlow controller to encrypt user data, but I have a big confusion regarding what is exactly the content of the packet sent from the switch to the controller when no match is found.
Assuming that the switch receives an Ethernet frame, then this frame contains layer 2 information as well as the IP packet and so on... Of all this data, what is the data of the packetIn? I am aware that the packet that arrives to the controller contains ports of layer 2 as well as mac addresses and layer 3 information. But is the user payload there as well? In other words, can I use the OpenFlow controller to encrypt the user data? If this is not clear, another way to ask is... of all the bytes of the packet data, what does each byte represent? Thanks a lot, Adrian Lara University of Nebraska-Lincoln
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