Re: [Rtg-yang-coord] issue :R03: assignment of interfaces to routing instances

Hi Andy,

The concatenated string format is actually what we plan to do. However, to me, it is more like a hack than an engineered solution. The model fails to capture such a relationship properly.

Thanks,
- Xufeng

> -----Original Message-----
> From: Jeff Tantsura
> Sent: Wednesday, January 14, 2015 11:26 AM
> To: Andy Bierman; Xufeng Liu
> Cc: rtg-yang-coord@ietf.org; Acee Lindem (acee); Juergen Schoenwaelder;
> Ladislav Lhotka
> Subject: Re: [Rtg-yang-coord] issue :R03: assignment of interfaces to routing
> instances
> 
> Andy,
> 
> Agree, routing-instance+interface_name would suffice and also meet existing
> implementations constrains
> 
> Cheers,
> Jeff
> 
> 
> 
> 
> -----Original Message-----
> From: Andy Bierman <andy@yumaworks.com>
> Date: Wednesday, January 14, 2015 at 8:05 AM
> To: Xufeng Liu <xufeng.liu@ericsson.com>
> Cc: "rtg-yang-coord@ietf.org" <rtg-yang-coord@ietf.org>rg>, "Acee Lindem
> (acee)" <acee@cisco.com>om>, Juergen Schoenwaelder <j.schoenwaelder@jacobs-
> university.de>, Ladislav Lhotka <lhotka@nic.cz>
> Subject: Re: [Rtg-yang-coord] issue :R03: assignment of interfaces to routing
> instances
> 
> >On Wed, Jan 14, 2015 at 7:59 AM, Xufeng Liu <xufeng.liu@ericsson.com>
> >wrote:
> >>
> >>
> >>> -----Original Message-----
> >>> From: Juergen Schoenwaelder
> >>>[mailto:j.schoenwaelder@jacobs-university.de]
> >>> Sent: Wednesday, January 14, 2015 10:55 AM
> >>> To: Xufeng Liu
> >>> Cc: Ladislav Lhotka; rtg-yang-coord@ietf.org; Acee Lindem (acee)
> >>> Subject: Re: [Rtg-yang-coord] issue :R03: assignment of interfaces
> >>>to routing  instances
> >>>
> >>> On Wed, Jan 14, 2015 at 03:33:02PM +0000, Xufeng Liu wrote:
> >>> > > >
> >>> > [Xufeng] Hi Lada, I acknowledge the difficulties here. However, is
> >>>there a good
> >>> way to handle the following case?
> >>> >     In routing-instance "RI-A", an interface named "IF-1" is
> >>> > already
> >>> configured.
> >>> >     In routing-instance "RI-B", I'd like to configure an different
> >>>interface
> >>> with the same name "IF-1".
> >>>
> >>> In the RFC 7223 interface data model the interface name is used as a
> >>>key and  hence you can't have two different interfaces with the same
> >>>name.
> >>>
> >>> /js
> >>
> >> [Xufeng] This is the issue that we'd like to solve. We have such a
> >>use case.
> >>
> >
> >
> >The interfaces list is for the entire device, and we should not change
> >that.
> >IMO you are describing an implementation detail, not a use-case.
> >The format of the name string can be "RI-1/IF-1" for example.
> >If "IF-1" is not going to be unique, then make up a new arbitrary name.
> >
> >
> >>>
> >>> --
> >>> Juergen Schoenwaelder           Jacobs University Bremen gGmbH
> >>> Phone: +49 421 200 3587         Campus Ring 1, 28759 Bremen, Germany
> >>> Fax:   +49 421 200 3103         <http://www.jacobs-university.de/>
> >>
> >> _______________________________________________
> >> Rtg-yang-coord mailing list
> >> Rtg-yang-coord@ietf.org
> >> https://www.ietf.org/mailman/listinfo/rtg-yang-coord
> >
> >Andy
> >
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