If they are new leaf values why not use the correct no-zone variant, what's the 
harm in doing it right? It has a nice side effect of basically restricting the 
base spec zone values to no-zone only. :)

Thanks,
Chris.
[wg member]

> On Apr 4, 2022, at 12:30, Acee Lindem (acee) 
> <acee=40cisco....@dmarc.ietf.org> wrote:
> 
> In the MIB,  the base types don't include the zone - 
> https://www.ietf.org/rfc/rfc4001.txt
> 
> It was very unfortunate that the YANG IP addresses included the zone in the 
> base types. 
> 
> Tom - I think it would be hard to find an author where including the zone was 
> a conscious decision. 
> 
> Thanks,
> Acee
> 
> On 4/4/22, 11:55 AM, "tom petch" <ie...@btconnect.com> wrote:
> 
>    From: Acee Lindem (acee) <a...@cisco.com>
>    Sent: 04 April 2022 15:58
> 
>    Hi Tom, +Juergen, netmod WG,
> 
>    I think the question you ought to be asking is whether the base IPv4 and 
> IPv6 address types should be modified to NOT include the zone and the zone 
> versions should be added as a separate YANG type.
> 
>    The RFC 6991 is under revision now:
> 
>    https://datatracker.ietf.org/doc/draft-ietf-netmod-rfc6991-bis/
> 
>    However, I'm not sure if the painful backward compatibility discussions 
> could be overcome.  We'd also have to admit that it was a big mistake to 
> include the zone in the base addresses. In any case, I don't think we just 
> start using the no-zone types when the base addresses types are used 
> everywhere.
> 
>    <tp>
> 
>    Well, there are plenty of uses of the no-zone types as well, so some 
> authors, some YANG doctors, have made the conscious choice to use them.  I 
> cannot do a search just now but I see no-zone in the dhc and I2NSF WG I-Ds, 
> and there are others.
> 
>    Also, some authors want the zone information as part of their leaf.
> 
>    Tom Petch
> 
>    Thanks,
>    Acee
> 
> 
> 
>    On 4/4/22, 7:11 AM, "Lsr on behalf of tom petch" <lsr-boun...@ietf.org on 
> behalf of ie...@btconnect.com> wrote:
> 
>        I assume that this is a refresh while waiting for ospf.yang to wind 
> its way through the system
> 
>        I wonder if the ip address should be the no-zone variant from RFC6991 
> - I never know the answer to that so keep asking.
> 
>        Some time the contact needs updating to https://datatracker and the 
> TLP to 'Revised'
> 
>        Tom Petch
> 
>        ________________________________________
>        From: Lsr <lsr-boun...@ietf.org> on behalf of internet-dra...@ietf.org 
> <internet-dra...@ietf.org>
>        Sent: 07 March 2022 03:14
>        To: i-d-annou...@ietf.org
>        Cc: lsr@ietf.org
>        Subject: [Lsr] I-D Action: 
> draft-ietf-lsr-ospfv3-extended-lsa-yang-10.txt
> 
> 
>        A New Internet-Draft is available from the on-line Internet-Drafts 
> directories.
>        This draft is a work item of the Link State Routing WG of the IETF.
> 
>                Title           : YANG Model for OSPFv3 Extended LSAs
>                Authors         : Acee Lindem
>                                  Sharmila Palani
>                                  Yingzhen Qu
>                Filename        : 
> draft-ietf-lsr-ospfv3-extended-lsa-yang-10.txt
>                Pages           : 29
>                Date            : 2022-03-06
> 
>        Abstract:
>           This document defines a YANG data model augmenting the IETF OSPF 
> YANG
>           model to provide support for OSPFv3 Link State Advertisement (LSA)
>           Extensibility as defined in RFC 8362.  OSPFv3 Extended LSAs provide
>           extensible TLV-based LSAs for the base LSA types defined in RFC 
> 5340.
> 
> 
>        The IETF datatracker status page for this draft is:
>        
> https://datatracker.ietf.org/doc/draft-ietf-lsr-ospfv3-extended-lsa-yang/
> 
>        There is also an htmlized version available at:
>        
> https://datatracker.ietf.org/doc/html/draft-ietf-lsr-ospfv3-extended-lsa-yang-10
> 
>        A diff from the previous version is available at:
>        
> https://www.ietf.org/rfcdiff?url2=draft-ietf-lsr-ospfv3-extended-lsa-yang-10
> 
> 
>        Internet-Drafts are also available by rsync at 
> rsync.ietf.org::internet-drafts
> 
> 
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> 
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