Hello Mathew,
I was wondering do you still have the same problem while using topology
discovery module?
Regards,
Reza
On Wed, Aug 9, 2017 at 3:41 PM, Matthew Hayes <
matthew_john_ha...@hotmail.com> wrote:
> 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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