Hi all,
I've found that Ryu does not detect the disconnection of a switch when TCP does
not signal the event with a FIN or RST (examples: switch powered off or
backhaul cable disconnected).
This appears to be because the TCP session remains in half-open established
state in the controller operating system, so no event is signalled to Ryu.
Is this a scenario that Ryu should detect, and if so, have techniques like TCP
keepalive been considered?
Thanks,
Matt.
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