Hi Folks,
I really like Ryu, the framework is all there, I just make the apps.
Issues: When my Ryu application fails the framework continues to operate,
the connection from the switches to the controller is still kept alive by
the framework. (Which is fine) However, when the application that fails is
responsible for L2 switching functions, I'd like for the underlying
framework to either close the switch(es)/controller connection or to stop
the Ryu framework so that the echo's from the switches aren't replied to by
the controller, or some other implementation that would signal to the
switches that the controller is broken.
The reason for this functionality is that the brand of switches that were
testing/using with SDN have a "fail-standalone" mode that reverts back to a
traditional switch when the connection to the controller is lost or closed.
Question:
- Can I somehow use the app_manager.send_event method to have the
framework send a message to an application, and then have the application
reply to show that it has completed what it needed to do / is still
operating?
- If yes, can you provide an example of doing so with the
simple_switch module?
- If no, do you have any other suggestions for implementing this
functionality?
Thanks,
Alex
[email protected]
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