Re: [regext] Using RDAP as a Domain Availability Service

+1 

As noted in my prior post on this topic, RDAP is a lookup protocol for what exists.  Logic associated with availability is beyond the scope of a lookup protocol.   Considering that RDAP is a RESTful protocol, anything could be represented with it but the question is whether it should.   I too have heard interest in an availability service that could be discussed, but this should be separated from RDAP.  I view availability via EPP as the best channel for authorized parties to go, since it is authoritative and it includes all the availability business logic.  EPP is a standard, so registries that have chosen not to implement it may not implement another standard either.  

A public availability service would look a lot more like a DNS service than an RDAP lookup service, since it could be a larger dependency for a broader set of real-time clients and therefore needs to be focused on scalability and accuracy (complete set of availability logic) over breadth of lookup features.  It would be great to understand the use cases for a public availability service to define the need prior to making proposals on a solution.    

—

JG

James Gould
Distinguished Engineer
jgould@Verisign.com

703-948-3271
12061 Bluemont Way
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VerisignInc.com <http://verisigninc.com/> 

On 12/16/16, 6:40 AM, "regext on behalf of Michele Neylon - Blacknight" <regext-bounces@ietf.org on behalf of michele@blacknight.com> wrote:

    Sorry, but why would RDAP be used for this?

    I know that whois is used by a lot of people for this, but it really shouldn’t be. Only a direct EPP query to the registry can give a “sane” response. 

    What am I missing?

    Regards

    Michele

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    On 16/12/2016, 11:34, "regext on behalf of Andrew Newton" <regext-bounces@ietf.org on behalf of andy@hxr.us> wrote:

        This topic keeps appearing over and over again, so Marcos and I
        decided to address it.
        As it turns out, there's not much needed to achieve this. This draft
        suggests two new query parameters and re-uses the current RDAP domain
        query. In other words, its a very small addition to RDAP.

        -andy

        A new version of I-D, draft-newton-regext-rdap-domain-availability-00.txt
        has been successfully submitted by Andrew Lee Newton and posted to the
        IETF repository.

        Name: draft-newton-regext-rdap-domain-availability
        Revision: 00
        Title: Using RDAP as a Domain Availability Service
        Document date: 2016-12-16
        Group: Individual Submission
        Pages: 6
        URL:
        https://www.ietf.org/internet-drafts/draft-newton-regext-rdap-domain-availability-00.txt
        Status:
        https://datatracker.ietf.org/doc/draft-newton-regext-rdap-domain-availability/
        Htmlized:
        https://tools.ietf.org/html/draft-newton-regext-rdap-domain-availability-00

        Abstract:
          This document describes a minimal profile of RDAP which can be used
          to check the availability of domain names available for registration.

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