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The Resource Public Key Infrastructure (RPKI) to Router Protocol
RFC 6810

Internet Engineering Task Force (IETF)                           R. Bush
Request for Comments: 6810                     Internet Initiative Japan
Category: Standards Track                                     R. Austein
ISSN: 2070-1721                                     Dragon Research Labs
                                                            January 2013

    The Resource Public Key Infrastructure (RPKI) to Router Protocol

Abstract

   In order to verifiably validate the origin Autonomous Systems of BGP
   announcements, routers need a simple but reliable mechanism to
   receive Resource Public Key Infrastructure (RFC 6480) prefix origin
   data from a trusted cache.  This document describes a protocol to
   deliver validated prefix origin data to routers.

Status of This Memo

   This is an Internet Standards Track document.

   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).  Further information on
   Internet Standards is available in 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/rfc6810.

Copyright Notice

   Copyright (c) 2013 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.

Bush & Austein               Standards Track                    [Page 1]
RFC 6810                  RPKI-Router Protocol              January 2013

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3
     1.1.  Requirements Language  . . . . . . . . . . . . . . . . . .  3
   2.  Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . .  3
   3.  Deployment Structure . . . . . . . . . . . . . . . . . . . . .  4
   4.  Operational Overview . . . . . . . . . . . . . . . . . . . . .  4
   5.  Protocol Data Units (PDUs) . . . . . . . . . . . . . . . . . .  6
     5.1.  Fields of a PDU  . . . . . . . . . . . . . . . . . . . . .  6
     5.2.  Serial Notify  . . . . . . . . . . . . . . . . . . . . . .  8
     5.3.  Serial Query . . . . . . . . . . . . . . . . . . . . . . .  8
     5.4.  Reset Query  . . . . . . . . . . . . . . . . . . . . . . .  9
     5.5.  Cache Response . . . . . . . . . . . . . . . . . . . . . .  9
     5.6.  IPv4 Prefix  . . . . . . . . . . . . . . . . . . . . . . . 10
     5.7.  IPv6 Prefix  . . . . . . . . . . . . . . . . . . . . . . . 11
     5.8.  End of Data  . . . . . . . . . . . . . . . . . . . . . . . 12
     5.9.  Cache Reset  . . . . . . . . . . . . . . . . . . . . . . . 12
     5.10. Error Report . . . . . . . . . . . . . . . . . . . . . . . 12
   6.  Protocol Sequences . . . . . . . . . . . . . . . . . . . . . . 14
     6.1.  Start or Restart . . . . . . . . . . . . . . . . . . . . . 14
     6.2.  Typical Exchange . . . . . . . . . . . . . . . . . . . . . 15
     6.3.  No Incremental Update Available  . . . . . . . . . . . . . 15
     6.4.  Cache Has No Data Available  . . . . . . . . . . . . . . . 16
   7.  Transport  . . . . . . . . . . . . . . . . . . . . . . . . . . 17
     7.1.  SSH Transport  . . . . . . . . . . . . . . . . . . . . . . 18
     7.2.  TLS Transport  . . . . . . . . . . . . . . . . . . . . . . 18
     7.3.  TCP MD5 Transport  . . . . . . . . . . . . . . . . . . . . 19
     7.4.  TCP-AO Transport . . . . . . . . . . . . . . . . . . . . . 19
   8.  Router-Cache Setup . . . . . . . . . . . . . . . . . . . . . . 20
   9.  Deployment Scenarios . . . . . . . . . . . . . . . . . . . . . 21
   10. Error Codes  . . . . . . . . . . . . . . . . . . . . . . . . . 22
   11. Security Considerations  . . . . . . . . . . . . . . . . . . . 23
   12. IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 24
   13. Acknowledgments  . . . . . . . . . . . . . . . . . . . . . . . 25
   14. References . . . . . . . . . . . . . . . . . . . . . . . . . . 25
     14.1. Normative References . . . . . . . . . . . . . . . . . . . 25
     14.2. Informative References . . . . . . . . . . . . . . . . . . 26

Bush & Austein               Standards Track                    [Page 2]

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