hello i am writing a DDOS mitigation for openflow networks using pox controller and open vSwitch version 1.9. as DDOS attacks aim at Flooding flow tables and input buffers, i wonder what is the maximum capacity of each switch port input buffer. i know after the switch input buffer overflows then the switch sends the whole packet to the controller and then the controller responses by sending packet out message which contains the whole packet and also the action. i want to know how much data and at what rate should a host send data to overflow a switch port input buffer and if is it possible to change the switch port input buffers? is it possible to change the amount of time that a packet stays in buffer before timeouts? thanks
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