I view the jscontact is a valid use case for a standards track RDAP extension.  
We have many similar use cases for standards track extensions in EPP, where the 
RFCs couldn't envision a feature or an approach that comes up later.  The 
jscontact draft needs to be defined as an RDAP extension that is optional, with 
the appropriate signaling, and with transition considerations to support a 
transition from the jCard defined in RFC 9083 to JSContact defined in the 
extension.  I don't foresee that support for jCard will go away, but that 
JSContact can be become an alternative and potentially a preferred format for 
the RDAP contact data.  As Scott points out, supporting multiple formats can 
add complexity, but I believe that is a known cost to progress.      

-- 
 
JG



James Gould
Fellow Engineer
jgo...@verisign.com 
<applewebdata://13890C55-AAE8-4BF3-A6CE-B4BA42740803/jgo...@verisign.com>

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On 12/8/21, 5:31 AM, "regext on behalf of Gavin Brown" 
<regext-boun...@ietf.org on behalf of gavin.br...@centralnic.com> wrote:


    On 8 Dec 2021, at 09:55, Mario Loffredo <mario.loffr...@iit.cnr.it> wrote:
    > 
    > 
    > 
    > Il 07/12/2021 14:42, Marc Blanchet ha scritto:
    >> 
    >>> Le 7 déc. 2021 à 08:35, Hollenbeck, Scott 
<shollenbeck=40verisign....@dmarc.ietf.org> a écrit :
    >>> 
    >>> We can *certainly* do that, Mario. It’s the option I support because 
there is a cost to replace a jCard implementation once it’s been implemented 
and deployed. Make it an optional extension and let server operators decide 
if/when they want to make the change.
    >>>  
    >>> I note that this will make life more difficult for client implementors 
because they’ll have to support both formats.
    >> 
    >> But the genie is already out of the bottle… I.e. if one have done a 
client implementation, it has already support for jCard. Adding the JSContact 
is just more code.  There will be only less work if one is implementing a 
client in the future after the whole ecosystem had moved to JSContact, 
therefore no need to implement jCard, which is still a good win, as I guess 
that many haven’t implemented a client yet since whois is still dominant and 
RDAP is not yet at the same level.
    > +1
    > 
    > Every extension requires an implementation effort and every transition 
process from the old to the new requires a period where both coexist. 
    > 
    > If we hadn't been aware of that, we wouldn't have started the process to 
replace Whois with RDAP. And, like Marc pointed out, this process is still at 
the beginning  and we still don't imagine when it will really be completed.
    > 
    > In addition to that, I wonder why some members are so worried about the 
implementation effort done in this case in comparison to other extensions that 
completed the reviewing process.

    Speaking as a client implementer, the amount of work required to update my 
RDAP client to support JSContact was minimal - which speaks to how much easier 
JSContact is to work with than jCard. You can see every change required in 
https://client.rdap.org here:

    
https://secure-web.cisco.com/1_Pf0XRu1tk3UR9-6jZ90CvItjm2neWOUbvFQlelz4q63NRctDM-rSfl0bSRaAV5EIV9aE7ka0U0or5uuTlvu68I6aSE7VnsWBMFLUFRToK6mDmJVHxBBFK9ztDZYSfxcAMaVmIUkFCaAOHPItTkzGJXFdCLs60lPUJp2yLiotBDfMlMsuDyuTUll6Ztrs4m3Vj8YoUgfwCkcXc0kxZzpigQikmbW3FGPQi8p2bgQ2NvJay4AkRznJp9CFRCj47UD/https%3A%2F%2Fgitlab.centralnic.com%2Fcentralnic%2Frdap-web-client%2F-%2Fcompare%2Fba4fd514...c9deae03

    Getting JSContact working in the CentralNic RDAP server took a bit more 
work, but I see it as being worthwhile if it makes life easier for client 
implementers.

    We are still in the early days of RDAP, and the amount of RDAP code that 
exists now is much smaller than the amount of RDAP code still to be written. If 
we can make a modest change now that makes that future code smaller and easier 
to write and maintain, we should do so.

    (full disclosure: I am a co-author on this draft).

    G.

    > 
    > For example, why haven't we been so concerned about the implementation 
effort required to client and servers in order to implement the EPP Login 
Security extension and the consequent period where clients and servers should 
deal with both the password formats ? And what about the implementation effort 
done to replace custom solutions already existing with new standard solutions?
    > 
    > Honestly, it seems to me that the implementation effort required in this 
case is lower than the one required by other extensions.
    > 
    > I believe that the main point is if we (intended as most of us) finally 
agree that the benefits from implementing an extension far outweigh the 
required efforts and we have evidence that 
    > 
    > the new will be significantly better than the old (and it seems to me we 
have it in this case).
    > 
    > But, at the same time, we are not sure that the majority of EPP or RDAP 
operators will implement it. That's it.
    > 
    > 
    > 
    > 
    > That being said, IMO, the status of this document should remain "Standard 
Track".

    +1

    > 
    > 
    > 
    > Best,
    > 
    > Mario
    > 
    >> 
    >>> “Be liberal in what you accept” applies.
    >> 
    >> yes.
    >> 
    >> Marc.
    >> 
    >>>  
    >>> Scott
    >>>  
    >>> From: regext <regext-boun...@ietf.org> On Behalf Of Mario Loffredo
    >>> Sent: Tuesday, December 7, 2021 3:45 AM
    >>> To: Antoin Verschuren <ietf=40antoin...@dmarc.ietf.org>; regext@ietf.org
    >>> Subject: [EXTERNAL] Re: [regext] New Version Notification for 
draft-ietf-regext-rdap-jscontact-04.txt
    >>>  
    >>> Caution: This email originated from outside the organization. Do not 
click links or open attachments unless you recognize the sender and know the 
content is safe. 
    >>> 
    >>> Hi all,
    >>> 
    >>> maybe I'm missing something but is there anybody explaining me why we 
can have two standards for the email address in EPP but we cannot have two 
standards for the contact card in RDAP ?
    >>> 
    >>> I admit that the reasons supporting the two documents are different but 
their matters appear very similar to me. 
    >>> 
    >>> Using JSContact inside RDAP is basically an extension. 
    >>> 
    >>> If we remove stages 3 and 4 of the transition from the document, we 
simply have an RDAP extension that is or isn't implemented  by a server.
    >>> 
    >>> This extension can be firstly signaled by the server, then requested by 
the client and consequently returned by the server just as it happens for the 
EAI extension in the EPP context. 
    >>> 
    >>>  
    >>> 
    >>> Best,
    >>> 
    >>> Mario
    >>> 
    >>>  
    >>> 
    >>> Il 06/12/2021 15:29, Antoin Verschuren ha scritto:
    >>> Hi all, 
    >>>  
    >>> In addition to the questions from Mario, we still need to discuss the 
status of this document as discussed during the IETF112 meeting:
    >>>  
    >>> "the document doesn’t have designated status; it was adopted without a 
status (on purpose). We need to think about the implications. Encouraged group 
to discuss/comment on the list”
    >>>  
    >>> Meaning that because jCard is not depreciated with publishing this 
document, what will the status of this document be? We cannot have 2 standards, 
so we need to say something about it.
    >>>  
    >>> Jim and Antoin
    >>>  
    >>> 
    >>> 
    >>> Op 27 nov. 2021, om 09:04 heeft Mario Loffredo 
<mario.loffr...@iit.cnr.it> het volgende geschreven:
    >>>  
    >>> Hi folks,
    >>> this new version addresses the feedback provided by Jasdip except for 
the following two points left for WG discussion:
    >>> 1) In the sentence "To aid interoperability, RDAP providers are 
RECOMMENDED to use as map keys the following string values and labels defined 
in [RFC5733].", should  "are RECOMMNEDED                               to" be 
replaced with "MUST"?
    >>> 2)  Does the portion of the spec for jCard to JSContact transition 
signaling add significant implementation overhead for RDAP servers and clients? 
Could an out-of-band (OOB) method have been employed?
    >>>  
    >>> Three more implementations were included.
    >>>  
    >>> Best,
    >>> Mario
    >>> 
    >>> 
    >>> -------- Messaggio Inoltrato -------- 
    >>> Oggetto: 
    >>> New Version Notification for draft-ietf-regext-rdap-jscontact-04.txt
    >>> Data: 
    >>> Fri, 26 Nov 2021 23:53:34 -0800
    >>> Mittente: 
    >>> internet-dra...@ietf.org
    >>> A: 
    >>> Gavin Brown <gavin.br...@centralnic.com>, Mario Loffredo 
<mario.loffr...@iit.cnr.it>
    >>> 
    >>> 
    >>> 
    >>> A new version of I-D, draft-ietf-regext-rdap-jscontact-04.txt
    >>> has been successfully submitted by Mario Loffredo and posted to the
    >>> IETF repository.
    >>> 
    >>> Name: draft-ietf-regext-rdap-jscontact
    >>> Revision: 04
    >>> Title: Using JSContact in Registration Data Access Protocol (RDAP) JSON 
Responses
    >>> Document date: 2021-11-26
    >>> Group: regext
    >>> Pages: 22
    >>> URL: 
https://secure-web.cisco.com/1uQaV0-jKtv71LGZlehOyaCbEn5S_Ja8HUolF3Idzs0e_X6-FOVJo79ccBlXhH8Pa8WvTzUORi1a4SnzxhrQs9woY7UjWIOVqZPWMMunD7Bcq-tk4w7ZBo0KaQJamS2bsqxpinoIQrlih28J7rvcPOJvt5q3ipkkJrjPDHmTGMLqO4pbwQKGB6A0GhAYFY9okn0vW4vpToNQYDmzNZzOP55THKmNPeTVzrti-rjdlQTOCYfeZM51CaTqCyLt6YIw5/https%3A%2F%2Fwww.ietf.org%2Farchive%2Fid%2Fdraft-ietf-regext-rdap-jscontact-04.txt
    >>> Status: 
https://secure-web.cisco.com/1W_ZuCoeBQhlTAUM5Z4ZRKIx4K4jKuM1qJmBOKp5AeZk08Q1SxXm-qT_tC8nx1df8B4MjwdiE6nSQoTqiDxRNprsFJiPNDME0adRxhA48D6EAVpmf-tkCz5bUXAADdgF6CoWqR6WxYFZmGo0KRa2we7JFlk50h-ctdzsZUjT0nODUALd0zPW4yJCJTvw4iLkaJpOSNC2eYsyl5AiC3sWSkwfi4aJCpDrrUs8nTOdLRH77boJLF-mKuuJxiNwoBQ1B/https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fdraft-ietf-regext-rdap-jscontact%2F
    >>> Htmlized: 
https://secure-web.cisco.com/1Cx_B5RCTVwDAOt-QueJSoDp-xCQRSwYHOs3GoOtvUod_GALzjZbsE8G709DjYM10Ov8nGy4cFBWN3Lab20GfYe5tHFGy1pEEWXlt-PphwRDAt4BeFbP7JZAuzLh_MpFzyjeH2n-VK76nVNke2vzRLycvn_8zKBdNDZIObxdVSaPcesu0y8AXiid_qroZDoq6XFetaOmahdPzI4bg_fCPAoAJGpIoZmkOPi26F4sNiWZ9ESYHiqkjJqYzdXKkryBn/https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fhtml%2Fdraft-ietf-regext-rdap-jscontact
    >>> Diff: 
https://secure-web.cisco.com/1__y1AKzAWuKGNWrnDe1VzsI7jBkHbv-zIQJRkstV46WKKjLnIPWqu3L8brOPX9PsHJQQRBSTTRPlhh5rkFYg9alryyCc7HKf2TDH9wtlV6v7SmYP1vp9OjLBNITEz1J5dLVJoYpdD5-uErtfV9fuHTsY-zXDBi9b7f_zH_OwFkuz9weCyN7xw1shHH4GgfaGi5L2jwSG-eiz9DdcgeY64p9QRb1xWgHVEgNOvyzX6XwX-o8PoZg-rCwCqIqDm8PR/https%3A%2F%2Fwww.ietf.org%2Frfcdiff%3Furl2%3Ddraft-ietf-regext-rdap-jscontact-04
    >>> 
    >>> Abstract:
    >>> This document describes an RDAP extension which represents entity
    >>> contact information in JSON responses using JSContact.
    >>> 
    >>> 
    >>> 
    >>> The IETF Secretariat
    >>> 
    >>> 
    >>> _______________________________________________
    >>> regext mailing list
    >>> regext@ietf.org
    >>> 
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    >>>  
    >>> 
    >>> 
    >>> _______________________________________________
    >>> regext mailing list
    >>> regext@ietf.org
    >>> 
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    >>> -- 
    >>> Dr. Mario Loffredo
    >>> Technological Unit “Digital Innovation”
    >>> Institute of Informatics and Telematics (IIT)
    >>> National Research Council (CNR)
    >>> via G. Moruzzi 1, I-56124 PISA, Italy
    >>> Phone: +39.0503153497
    >>> Web: 
http://secure-web.cisco.com/1xIJoQsdiqp7TXVZSFzGEv8YUUvMoNSA3xaMYxkUI-7W8J25Bgr_Q7kvU04yiMB5aMxRncUD_XuByVtVf40IgGbgUKStfdITYBlOn9XJGHggHoNU13YTUMVK7Un4qI-4fnvZ-iqewk7VhgipQTtrIP9YQT5OE0sP7dhHtS3vkMuean0twqDZkeTWdAeplpoiFQDyLKIm4ZCE0vWNM5_UPH7Cy_q0PuU3hfEcXXguCSKYRGsFNavPifomzaHAJ4Kb7/http%3A%2F%2Fwww.iit.cnr.it%2Fmario.loffredo
    >>> _______________________________________________
    >>> regext mailing list
    >>> regext@ietf.org
    >>> 
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    >> 
    >> 
    >> 
    >> _______________________________________________
    >> regext mailing list
    >> 
    >> regext@ietf.org
    >> 
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    > -- 
    > Dr. Mario Loffredo
    > Technological Unit “Digital Innovation”
    > Institute of Informatics and Telematics (IIT)
    > National Research Council (CNR)
    > via G. Moruzzi 1, I-56124 PISA, Italy
    > Phone: +39.0503153497
    > Web: 
    > 
http://secure-web.cisco.com/1xIJoQsdiqp7TXVZSFzGEv8YUUvMoNSA3xaMYxkUI-7W8J25Bgr_Q7kvU04yiMB5aMxRncUD_XuByVtVf40IgGbgUKStfdITYBlOn9XJGHggHoNU13YTUMVK7Un4qI-4fnvZ-iqewk7VhgipQTtrIP9YQT5OE0sP7dhHtS3vkMuean0twqDZkeTWdAeplpoiFQDyLKIm4ZCE0vWNM5_UPH7Cy_q0PuU3hfEcXXguCSKYRGsFNavPifomzaHAJ4Kb7/http%3A%2F%2Fwww.iit.cnr.it%2Fmario.loffredo

    --
    Gavin Brown
    Head of Registry Services
    CentralNic Group plc (LSE:CNIC)
    
https://secure-web.cisco.com/1jdq3DW0oaBcuR8g7MK_IAFftZoi9qNQONY2gbBkcdtkzdjgpDNfAwYhCiPXpzLJx7HXceBvuSlI_YmyAn4hM1OtmSzGtnkvhT7wTNN-A1uf1diCSDeMC34FjGmy4-gX_nzIyAgYI1aBek26Xy4yD9s4tM4zavbIJoxuOUNW1B-wh4eTwoZapI_RokIhaWWC2HwMDBlXqYBH66u-ZBms7vWKubbJ_g-YAiph8xJTCNzw1U155bn-_zQkjygvnJHS_/https%3A%2F%2Fcentralnicregistry.com

    Cal: http://cnic.link/gbcalendar

    CentralNic Group plc is a company registered in England and Wales with 
company number 8576358. Registered Offices: Saddlers House, Gutter Lane, London 
EC2V 6BR.

    
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