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:de...@juniper.net] > Sent: Friday, December 12, 2014 12:30 PM > To: Fedyk, Don > Cc: <i2rs@ietf.org> > Subject: Re: Primitive and complex objects in devices > > Don, > > Yes, you are right > On Dec 12, 2014, at 9:29 AM, "Fedyk, Don" <don.fe...@hp.com> 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:i2rs-boun...@ietf.org] On Behalf Of Dean > >> Bogdanovic > >> Sent: Thursday, December 11, 2014 2:24 PM > >> To: <i2rs@ietf.org> > >> 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 > >> i2rs@ietf.org > >> https://www.ietf.org/mailman/listinfo/i2rs _______________________________________________ i2rs mailing list i2rs@ietf.org https://www.ietf.org/mailman/listinfo/i2rs
