Re: [urn] Reminder: Namespace Identifier: Formal Request for EIC

Elena Nikitina <elena.nikitina@ext.entsoe.eu> Fri, 12 November 2021 09:08 UTC

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From: Elena Nikitina <elena.nikitina@ext.entsoe.eu>
To: "Dale R. Worley" <worley@ariadne.com>
CC: "urn@ietf.org" <urn@ietf.org>, Olivier Aine <olivier.aine@entsoe.eu>, "Dr. Chavdar Ivanov" <chavdar.ivanov@griddigit.eu>, Kristjan Vilgo <kristjan.vilgo@elering.ee>
Thread-Topic: [urn] Reminder: Namespace Identifier: Formal Request for EIC
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Date: Fri, 12 Nov 2021 09:08:08 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/urn/1DtvF83nWkH_igWCzGtzDixXVJE>
Subject: Re: [urn] Reminder: Namespace Identifier: Formal Request for EIC
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Dear Dale,

Thank you very much for your feedback! Could you please clarify for us how the approval process will advance from this point? Are any additional actions expected from our side?

Many thanks in advance for the clarification!

Best Regards,
Elena

-----Original Message-----
From: Dale R. Worley <worley@ariadne.com>
Sent: 12 November 2021 03:58
To: Elena Nikitina <elena.nikitina@ext.entsoe.eu>
Cc: urn@ietf.org; Olivier Aine <olivier.aine@entsoe.eu>; Dr. Chavdar Ivanov <chavdar.ivanov@griddigit.eu>; Kristjan Vilgo <kristjan.vilgo@elering.ee>
Subject: Re: [urn] Reminder: Namespace Identifier: Formal Request for EIC

From: Elena Nikitina <elena.nikitina@ext.entsoe.eu>
To: "urn@ietf.org" <urn@ietf.org>
Date: Fri, 5 Nov 2021 10:22:58 +0000
Archived-At: <https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fmailarchive.ietf.org%2Farch%2Fmsg%2Furn%2FbipBobW-qYSdGtYp4mvSwIIdQ3I&amp;data=04%7C01%7Celena.nikitina%40ext.entsoe.eu%7Cf10827797efa43cb2cdb08d9a58848b4%7C7ffbeccf0c1b496c897889209c2d375d%7C0%7C0%7C637722827465819815%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&amp;sdata=FTnCwRbMhZwy11ozgHmrbn9WcEmOiL%2FCJ2%2FoQY11Nfc%3D&amp;reserved=0>

Elena Nikitina <elena.nikitina@ext.entsoe.eu> writes:
> Additionally I would like to underline that the requested registration
> for EIC in my previous e-mail is still required. Therefore I would
> kindly ask you to proceed with the next steps if no other actions are
> required from my side.

I have searched at the mail archive for "urn@ietf.org"
(https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fmailarchive.ietf.org%2Farch%2F&amp;data=04%7C01%7Celena.nikitina%40ext.entsoe.eu%7Cf10827797efa43cb2cdb08d9a58848b4%7C7ffbeccf0c1b496c897889209c2d375d%7C0%7C0%7C637722827465819815%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&amp;sdata=00XWtNux%2FwLShA4IFLhmCv75rvDvGw46wBWEj7f45rg%3D&amp;reserved=0), and for unknown reasons, your e-mail message of 3 Sept 2021 not recorded there.  It appears that there has been some problem regarding its delivery.

> From: Elena Nikitina
> Sent: 03 September 2021 10:41
> To: urn@ietf.org
> Cc: Olivier Aine <olivier.aine@entsoe.eu>; Dr. Chavdar Ivanov
> <chavdar.ivanov@griddigit.eu>; Kristjan.Vilgo@elering.ee
> Subject: Namespace Identifier: Formal Request for EIC

> Please find attached the completed registration request for EIC.

> [application/pdf EIC urn registration Request_ENTSOE_20210903.pdf
> (177kB)]

I have read the registration request.  It is straightforward, other than that several items refer to ENTSOE documents available on the ENTSOE web site.  This is inconvenient from the IETF's point of view but I see no reason to object to the registration because of that.

The syntax notation in the registration is clumsy (compared to other IETF documents), but it is entirely clear in practice.

The registration does not describe an equivalence rule (see RFC 8141 section 6.4.2 item 3) but since the EIC identifiers consist entirely of the characters 0-9, A-Z (upper case only), and -, it is clear that exact equality of the NSS is intended.

The only issue I identify is in the description of the algorithm for computing the check character (the 16th character of the EIC = NSS), which is given in
https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Feepublicdownloads.entsoe.eu%2Fclean-documents%2FEDI%2FLibrary%2Fcim_based%2FEIC_Data_Exchange_IG_v1.1.pdf&amp;data=04%7C01%7Celena.nikitina%40ext.entsoe.eu%7Cf10827797efa43cb2cdb08d9a58848b4%7C7ffbeccf0c1b496c897889209c2d375d%7C0%7C0%7C637722827465819815%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&amp;sdata=VKFL1ME7RrNKV4pHfixYEjuG1VkyvuzKad5t5fADuWI%3D&amp;reserved=0
"ENTSO-E EIC DATA EXCHANGE IMPLEMENTATION GUIDE" clause 5.3.2 lines 266-267, which say "Then, the positions are again weighted, beginning with the greatest value to the left and ending with a one at the far right." but the illustration immediately following shows "2" at the far right, and the later text makes clear that "2" is intended for the process of calculating the check character.  ("1 at the far right" would be correct for the process of *verifying* the check character.)

However, this is clearly an erratum, as anyone attempting to implement the calculation according to this document would immediately discover the intended meaning.

I believe this document should be approved.

Dale
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