Considerations for Internet Routing Registries (IRRs) and Routing Policy Configuration
RFC 7682

Document Type RFC - Informational (December 2015; No errata)
Last updated 2015-12-10
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Internet Engineering Task Force (IETF)                      D. McPherson
Request for Comments: 7682                                Verisign, Inc.
Category: Informational                                        S. Amante
ISSN: 2070-1721                                              Apple, Inc.
                                                            E. Osterweil
                                                          Verisign, Inc.
                                                                L. Blunk
                                                     Merit Network, Inc.
                                                             D. Mitchell
                                                    Singularity Networks
                                                           December 2015

         Considerations for Internet Routing Registries (IRRs)
                    and Routing Policy Configuration

Abstract

   The purpose of this document is to catalog issues that influenced the
   efficacy of Internet Routing Registries (IRRs) for inter-domain
   routing policy specification and application in the global routing
   system over the past two decades.  Additionally, it provides a
   discussion regarding which of these issues are still problematic in
   practice, and which are simply artifacts that are no longer
   applicable but continue to stifle inter-provider policy-based
   filtering adoption and IRR utility to this day.

Status of This Memo

   This document is not an Internet Standards Track specification; it is
   published for informational purposes.

   This document is a product of the Internet Engineering Task Force
   (IETF).  It represents the consensus of the IETF community.  It has
   received public review and has been approved for publication by the
   Internet Engineering Steering Group (IESG).  Not all documents
   approved by the IESG are a candidate for any level of Internet
   Standard; see Section 2 of RFC 5741.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   http://www.rfc-editor.org/info/rfc7682.

McPherson, et al.             Informational                     [Page 1]
RFC 7682           IRR & Routing Policy Considerations     December 2015

Copyright Notice

   Copyright (c) 2015 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
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Background  . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Historical Artifacts Influencing IRR Efficacy . . . . . . . .   3
   4.  Accuracy and Integrity of Data Contained within the IRR . . .   4
     4.1.  Lack of Resource Certification  . . . . . . . . . . . . .   4
     4.2.  Incentives to Maintain Data within the IRR  . . . . . . .   5
     4.3.  Inability for Third Parties to Remove (Stale) Information
           from the IRRs . . . . . . . . . . . . . . . . . . . . . .   6
     4.4.  Lack of Authoritative IRR for Resources . . . . . . . . .   7
     4.5.  Client-Side Considerations  . . . . . . . . . . . . . . .   8
     4.6.  Conclusions with Respect to Data in the IRR . . . . . . .   8
   5.  Operation of the IRR Infrastructure . . . . . . . . . . . . .   8
     5.1.  Replication of Resources among IRRs . . . . . . . . . . .   8
     5.2.  Updating Routing Policies from Updated IRR Resources  . .  10
   6.  Historical BGP Protocol Limitations . . . . . . . . . . . . .  11
   7.  Historical Limitations of Routers . . . . . . . . . . . . . .  13
     7.1.  Incremental Updates to Policy on Routers  . . . . . . . .  13
     7.2.  Storage Requirements for Policy on Routers  . . . . . . .  13
     7.3.  Updating Configuration on Routers . . . . . . . . . . . .  14
   8.  Summary . . . . . . . . . . . . . . . . . . . . . . . . . . .  15
   9.  Security Considerations . . . . . . . . . . . . . . . . . . .  15
   10. Informative References  . . . . . . . . . . . . . . . . . . .  16
   Acknowledgements  . . . . . . . . . . . . . . . . . . . . . . . .  18
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  18

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RFC 7682           IRR & Routing Policy Considerations     December 2015

1.  Introduction

   The purpose of this document is to catalog issues influencing the
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