On Wed, 08 Aug 2018 22:08:22 +0900,
Christos Nikolaou wrote:
> 
> Hello,
> 
> I am using Ryu and Mininet (with Open vSwitch) for simulating networks. I 
> would like to send a batch of flow-mod rules from Ryu to each switch. Also, I 
> would like to send a barrier message before I send the batch of flow-mod 
> rules, to make sure that the rules were installed in the switch.
> 
> What is the appropriate way to push a batch of rules at once and make sure 
> that the rules have been installed to the switch’s rule table? 

Ryu usually sends a barrier request after sending an openflow command.
See ryu.app.ofctl.service.

BTW, if you need to program a set of rules atomically, please consider
using a bundle.

--
IWAMOTO Toshihiro

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