Re: [eppext] New Version Notification for draft-brown-epp-fees-06.txt

"Gould, James" <JGould@verisign.com> Fri, 04 December 2015 13:36 UTC

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From: "Gould, James" <JGould@verisign.com>
To: Gavin Brown <gavin.brown@centralnic.com>
Thread-Topic: [eppext] New Version Notification for draft-brown-epp-fees-06.txt
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Date: Fri, 4 Dec 2015 13:36:42 +0000
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Subject: Re: [eppext] New Version Notification for draft-brown-epp-fees-06.txt
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Gavin,

In reviewing draft-brown-epp-fees-06, I have the following feedback:


  1.  The fee check extension is really not a good fit for extension of the available check.  They have different purposes and there is really no relationship between the two, where the availability check can include a completely different set of domain names from getting the fee extension.  My recommendation is to separate the two and define the fee check as a new verb similar to the claims check in draft-ietf-eppext-launchphase.  Another option is truly extend the object identifiers (e.g. domain:names) in the check command with a set of fee attributes to get the fee information for.  Have the extension only specify the command and the optional currency and fee that applies to all of the names in the availability check command.  The response would include the same list of object identifiers in the extension, but it would be a one-to-one relationship.  In this way there is no need for the “objURI” attribute, the <fee:objID> element, and <fee:objID> “element” attribute in the check command, since the object and identifying element is already defined by the availability check object that is being extended.
  2.  What should be returned when the client passes invalid data in the check command for the the “objURI” attribute (e.g. “urn:made:up:uri”), the <fee:objID> element (e.g. invalid domain name), the “element” attribute of <fee:objID> (e.g. “madeup”), the <fee:currency> element (e.g. “MUP”), and the <fee:period> element (e.g. “99" when max is “10”)?  An invalid <fee:command> is covered by not returning the fee information, but it’s unclear whether the server should return an error or not return the fee information for other invalid data.  To follow the semantics of a check command and response, my recommendation is to add an “avail” attribute to either <fee:cd> or <fee:objID> to explicitly indicate that the fee information is available along with an optional <fee:reason> to indicate the reason that the fee information is not available.  The reason the fee information is not available for a particular object could be due to the passing of invalid input in the check command <fee:object> element.  If you went with a single set of fee elements in the check command that is applied to all of the object identifiers in the availability check, then an invalid fee element could result in a failure of the check command itself instead of being an error (e.g. not available) on a per domain basis.
  3.  Since the check response supports returning a “0.00” value to indicate no fee, doesn’t make sense to do the same with all transform command responses?



—


JG


[cid:77031CC3-BE7A-4188-A95F-D23115A30A4D@vcorp.ad.vrsn.com]

James Gould
Distinguished Engineer
jgould@Verisign.com

703-948-3271
12061 Bluemont Way
Reston, VA 20190

VerisignInc.com<http://VerisignInc.com>

On Nov 4, 2015, at 5:58 PM, Gavin Brown <gavin.brown@centralnic.com<mailto:gavin.brown@centralnic.com>> wrote:

Changes from 05 to 06:

  1.  The specification is now object-agnostic, but works with RFC5731
      [RFC5731] domains by default.

  2.  Renamed the <fee:domain> element to <fee:object>.  Added the
      "objURI" attribute.

  3.  Removed the default value for the "refundable" attribute of
      <fee:fee> elements, and added text about how clients should
      handle such cases.  Added similar text to the documentation of
      the "grace-period" attribute.

  4.  Removed references to the defunct <info> command syntax.

  5.  "MUST" requirements regarding documentation have been changed to
      "must".

  6.  Created separate "Correlation between Refundability and Grace
      Periods" section describing how the "refundable" and "grace-
      period" attributes work together.

Feedback welcome as always!

-------- Forwarded Message --------
Subject: New Version Notification for draft-brown-epp-fees-06.txt
Date: Wed, 04 Nov 2015 14:52:30 -0800
From: internet-drafts@ietf.org<mailto:internet-drafts@ietf.org>
To: Gavin Brown <gavin.brown@centralnic.com<mailto:gavin.brown@centralnic.com>>, Jothan Frakes
<jothan@jothan.com<mailto:jothan@jothan.com>>


A new version of I-D, draft-brown-epp-fees-06.txt
has been successfully submitted by Gavin Brown and posted to the
IETF repository.

Name: draft-brown-epp-fees
Revision: 06
Title: Registry Fee Extension for the Extensible Provisioning Protocol
(EPP)
Document date: 2015-11-04
Group: Individual Submission
Pages: 36
URL:
https://www.ietf.org/internet-drafts/draft-brown-epp-fees-06.txt
Status:         https://datatracker.ietf.org/doc/draft-brown-epp-fees/
Htmlized:       https://tools.ietf.org/html/draft-brown-epp-fees-06
Diff:           https://www.ietf.org/rfcdiff?url2=draft-brown-epp-fees-06

Abstract:
  This document describes an Extensible Provisioning Protocol (EPP)
  extension mapping for registry fees.





Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org<http://tools.ietf.org>.

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--
Gavin Brown
Chief Technology Officer
CentralNic Group plc (LSE:CNIC)
Innovative, Reliable and Flexible Registry Services
for ccTLD, gTLD and private domain name registries
https://www.centralnic.com/

CentralNic Group plc is a company registered in England and Wales with
company number 8576358. Registered Offices: 35-39 Moorgate, London,
EC2R 6AR.



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