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/>
>
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Andy