Operations Model for Router Keying
draft-ietf-karp-ops-model-04

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Last updated 2012-10-22
Replaces draft-hartman-karp-ops-model
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Network Working Group                                         S. Hartman
Internet-Draft                                         Painless Security
Intended status: Informational                                  D. Zhang
Expires: April 25, 2013                                           Huawei
                                                        October 22, 2012

                   Operations Model for Router Keying
                    draft-ietf-karp-ops-model-04.txt

Abstract

   Developing an operational and management model for routing protocol
   security that works across protocols will be critical to the success
   of routing protocol security efforts.  This document discusses issues
   and begins to consider development of these models.

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 25, 2013.

Copyright Notice

   Copyright (c) 2012 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
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   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
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   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

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Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3
   2.  Requirements notation  . . . . . . . . . . . . . . . . . . . .  4
   3.  Breakdown of KARP configuration  . . . . . . . . . . . . . . .  5
     3.1.  Integrity of the Key Table . . . . . . . . . . . . . . . .  6
     3.2.  Management of Key Table  . . . . . . . . . . . . . . . . .  6
     3.3.  Interactions with Automated Key Management . . . . . . . .  7
     3.4.  VRFs . . . . . . . . . . . . . . . . . . . . . . . . . . .  7
   4.  Credentials and Authorization  . . . . . . . . . . . . . . . .  8
     4.1.  Preshared Keys . . . . . . . . . . . . . . . . . . . . . .  9
     4.2.  Asymmetric Keys  . . . . . . . . . . . . . . . . . . . . . 11
     4.3.  Public Key Infrastructure  . . . . . . . . . . . . . . . . 11
     4.4.  The role of Central Servers  . . . . . . . . . . . . . . . 12
   5.  Grouping Peers Together  . . . . . . . . . . . . . . . . . . . 13
   6.  Administrator Involvement  . . . . . . . . . . . . . . . . . . 15
     6.1.  Enrollment . . . . . . . . . . . . . . . . . . . . . . . . 15
     6.2.  Handling Faults  . . . . . . . . . . . . . . . . . . . . . 16
   7.  Upgrade Considerations . . . . . . . . . . . . . . . . . . . . 18
   8.  Security Considerations  . . . . . . . . . . . . . . . . . . . 19
   9.  Acknowledgments  . . . . . . . . . . . . . . . . . . . . . . . 20
   10. References . . . . . . . . . . . . . . . . . . . . . . . . . . 21
     10.1. Normative References . . . . . . . . . . . . . . . . . . . 21
     10.2. Informative References . . . . . . . . . . . . . . . . . . 21
   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 23

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1.  Introduction

   The KARP working group is designing improvements to the cryptographic
   authentication of IETF routing protocols.  These improvements include
   improvements to how integrity functions are handled within each
   protocol as well as designing an automated key management solution.

   This document discusses issues to consider when thinking about the
   operational and management model for KARP.  Each implementation will
   take its own approach to management; this is one area for vendor
   differentiation.  However, it is desirable to have a common baseline
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