Registration Data Access Protocol (RDAP) Query Parameters for Result Sorting and Paging
draft-ietf-regext-rdap-sorting-and-paging-19

Document Type Active Internet-Draft (regext WG)
Authors Mario Loffredo  , Maurizio Martinelli  , Scott Hollenbeck 
Last updated 2020-10-04
Replaces draft-loffredo-regext-rdap-sorting-and-paging
Stream IETF
Intended RFC status Proposed Standard
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Registration Protocols Extensions                            M. Loffredo
Internet-Draft                                             M. Martinelli
Intended status: Standards Track                     IIT-CNR/Registro.it
Expires: April 7, 2021                                     S. Hollenbeck
                                                           Verisign Labs
                                                         October 4, 2020

  Registration Data Access Protocol (RDAP) Query Parameters for Result
                           Sorting and Paging
              draft-ietf-regext-rdap-sorting-and-paging-19

Abstract

   The Registration Data Access Protocol (RDAP) does not include core
   functionality for clients to provide sorting and paging parameters
   for control of large result sets.  This omission can lead to
   unpredictable server processing of queries and client processing of
   responses.  This unpredictability can be greatly reduced if clients
   can provide servers with their preferences for managing large
   responses.  This document describes RDAP query extensions that allow
   clients to specify their preferences for sorting and paging result
   sets.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
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   This Internet-Draft will expire on April 7, 2021.

Copyright Notice

   Copyright (c) 2020 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents

Loffredo, et al.          Expires April 7, 2021                 [Page 1]
Internet-Draft           RDAP Sorting and Paging            October 2020

   (https://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Conventions Used in This Document . . . . . . . . . . . .   4
   2.  RDAP Query Parameter Specification  . . . . . . . . . . . . .   4
     2.1.  Sorting and Paging Metadata . . . . . . . . . . . . . . .   4
       2.1.1.  RDAP Conformance  . . . . . . . . . . . . . . . . . .   6
     2.2.  "count" Parameter . . . . . . . . . . . . . . . . . . . .   6
     2.3.  "sort" Parameter  . . . . . . . . . . . . . . . . . . . .   7
       2.3.1.  Sorting Properties Declaration  . . . . . . . . . . .   8
       2.3.2.  Representing Sorting Links  . . . . . . . . . . . . .  14
     2.4.  "cursor" Parameter  . . . . . . . . . . . . . . . . . . .  16
       2.4.1.  Representing Paging Links . . . . . . . . . . . . . .  16
   3.  Negative Answers  . . . . . . . . . . . . . . . . . . . . . .  17
   4.  Implementation Considerations . . . . . . . . . . . . . . . .  18
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  18
   6.  Implementation Status . . . . . . . . . . . . . . . . . . . .  19
     6.1.  IIT-CNR/Registro.it . . . . . . . . . . . . . . . . . . .  19
     6.2.  APNIC . . . . . . . . . . . . . . . . . . . . . . . . . .  19
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  20
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  20
     8.1.  Normative References  . . . . . . . . . . . . . . . . . .  20
     8.2.  Informative References  . . . . . . . . . . . . . . . . .  22
   Appendix A.  JSONPath operators . . . . . . . . . . . . . . . . .  23
   Appendix B.  Approaches to Result Pagination  . . . . . . . . . .  24
     B.1.  Specific Issues Raised by RDAP  . . . . . . . . . . . . .  26
   Appendix C.  Additional Implementation Notes  . . . . . . . . . .  26
     C.1.  Sorting . . . . . . . . . . . . . . . . . . . . . . . . .  27
     C.2.  Counting  . . . . . . . . . . . . . . . . . . . . . . . .  27
     C.3.  Paging  . . . . . . . . . . . . . . . . . . . . . . . . .  27
   Acknowledgements  . . . . . . . . . . . . . . . . . . . . . . . .  28
   Change Log  . . . . . . . . . . . . . . . . . . . . . . . . . . .  28
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  31
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