Hi,

Someone else on this list can probably give you a more complete answer. It
should be possible by using ryu to write to ovsdb to change the switches
controller (probably by using the set_controller method in
ryu/services/protocols/ovsdb/api.py). There is also some code being worked
on that will allow a controller to initiate a connection with the switch
instead of vice-versa, that a controller can connect directly to the switch
without having to write to ovsdb.

Matt

On Sat, Oct 7, 2017 at 9:03 AM, vincenzoprov1990--- via Ryu-devel <
ryu-devel@lists.sourceforge.net> wrote:

> Hi, is it possible to migrate switch from one controller to another in a
> sdn with the ryu framework? How can I do this? Thanks a lot
>
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