Configuration is allowed to undo the override with a force option. Dean
On Dec 12, 2014, at 12:44 PM, "Fedyk, Don" <[email protected]> wrote: > Hi Dean > > Then what you are saying would work AFAIK, the only question is: Is I2RS > override absolute or is configuration allowed to undo the override with a > force option? > > Cheers > Don > >> -----Original Message----- >> From: Dean Bogdanovic [mailto:[email protected]] >> Sent: Friday, December 12, 2014 12:30 PM >> To: Fedyk, Don >> Cc: <[email protected]> >> Subject: Re: Primitive and complex objects in devices >> >> Don, >> >> Yes, you are right >> On Dec 12, 2014, at 9:29 AM, "Fedyk, Don" <[email protected]> wrote: >> >>> Hi Dean >>> >>> I think the distinction you are making is based on an override capability >>> and >> ownership. >>> Primitive objects owned by configuration can be overridden by I2RS agents. >> >> Just to be clear, I2RS agent could insert another object that would take >> priority over the object created by the configuration. I don't want to modify >> objects owned by configuration in any way. >>> Complex objects owned by configuration would typically not be overridden >> by I2RS agents. >>> >>> So there is an implied ownership aspect. >> >> Yes >>> >>> In your BGP case the I2RS agent could own both primitive and complex >> objects to allow the computation of BGP to be performed elsewhere. >>> In this case there is no override because configuration is unaware of the >> objects and has no ownership. >> >> Correct >>> >>> In all cases the I2RS modifications are ephemeral and there is no >> configuration store or save just modification of running . >>> >>> Is that what you are thinking? >> >> Yup >>> >>> Regards, >>> Don >>> >>>> -----Original Message----- >>>> From: i2rs [mailto:[email protected]] On Behalf Of Dean >>>> Bogdanovic >>>> Sent: Thursday, December 11, 2014 2:24 PM >>>> To: <[email protected]> >>>> Subject: [i2rs] Primitive and complex objects in devices >>>> >>>> Hi, >>>> >>>> We are trying to figure out what protocol to use in order to manage >>>> devices via i2rs agent. I would like to add few things for >>>> consideration. Will i2rs agent manage only simple objects or also >>>> complex object? What is a primitive or complex objects? >>>> >>>> Primitive objects are network constructs that are property of single >>>> daemon, example >>>> >>>> route >>>> routing table >>>> routing instance >>>> interface >>>> filter >>>> policer >>>> scheduler >>>> >>>> Using above primitive objects, a complex object can be created. Lets >>>> take example L2VPN. For L2VPN, routing instance, interface, route, >>>> has to be configured in a specific way. The logic on how the >>>> configuration is read by the daemons is already present in the device >>>> and by editing configuration, device state is changed. >>>> >>>> When editing configuration, everything what is supported by the >>>> device can be managed. If we agree that I2RS agents want to manage >>>> all supported features, then going through configuration is the best >>>> way to go. If we decide that I2RS agent will be able to change the >>>> state of primitive objects only and that can be done by by-passing >>>> configuration and talking directly to the daemons, then we can look >>>> into other mechanisms how to communicate between I2RS agent and >> other device daemons. >>>> >>>> Or take another example: >>>> >>>> If somebody wants to run BGP as external process and change the >>>> device state via I2RS agent, can they do correct device changes using >>>> only primitive objects? >>>> >>>> Dean >>>> >>>> _______________________________________________ >>>> i2rs mailing list >>>> [email protected] >>>> https://www.ietf.org/mailman/listinfo/i2rs > _______________________________________________ i2rs mailing list [email protected] https://www.ietf.org/mailman/listinfo/i2rs
