Operations Model for Router Keying
draft-ietf-karp-ops-model-09

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Document Type Active Internet-Draft (karp WG)
Last updated 2013-12-05 (latest revision 2013-10-11)
Replaces draft-hartman-karp-ops-model
Stream IETF
Intended RFC status Informational
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Doc Shepherd Follow-up Underway
Document shepherd Brian Weis
Shepherd write-up Show (last changed 2013-06-24)
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Consensus Boilerplate Yes
Telechat date
Responsible AD Stewart Bryant
Send notices to karp-chairs@tools.ietf.org, draft-ietf-karp-ops-model@tools.ietf.org
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IANA action state None
Network Working Group                                         S. Hartman
Internet-Draft                                         Painless Security
Intended status: Informational                                  D. Zhang
Expires: April 14, 2014                                           Huawei
                                                        October 11, 2013

                   Operations Model for Router Keying
                    draft-ietf-karp-ops-model-09.txt

Abstract

   The IETF is engaged in an effort to analyze security of routing
   protocol authentication according to design guidelines discussed in
   RFC 6518.  Developing an operational and management model for routing
   protocol security that works with all the routing protocols will be
   critical to the deployability of these efforts.  This document gives
   recommendations to operators and implementors regarding management
   and operation of router authentication.  These recommendations will
   also assist protocol designers in understanding management issues
   they will face.

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
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on April 14, 2014.

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

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   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.  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.  Virtual Routing and Forwarding Instances (VRFs)  . . . . .  7
   4.  Credentials and Authorization  . . . . . . . . . . . . . . . .  8
     4.1.  Preshared Keys . . . . . . . . . . . . . . . . . . . . . .  9
       4.1.1.  Sharing Keys and Zones of Trust  . . . . . . . . . . . 10
       4.1.2.  Key Separation and Protocol Design . . . . . . . . . . 11
     4.2.  Asymmetric Keys  . . . . . . . . . . . . . . . . . . . . . 11
     4.3.  Public Key Infrastructure  . . . . . . . . . . . . . . . . 12
     4.4.  The role of Central Servers  . . . . . . . . . . . . . . . 12
   5.  Grouping Peers Together  . . . . . . . . . . . . . . . . . . . 14
   6.  Administrator Involvement  . . . . . . . . . . . . . . . . . . 16
     6.1.  Enrollment . . . . . . . . . . . . . . . . . . . . . . . . 16
     6.2.  Handling Faults  . . . . . . . . . . . . . . . . . . . . . 16
   7.  Upgrade Considerations . . . . . . . . . . . . . . . . . . . . 18
   8.  Security Considerations  . . . . . . . . . . . . . . . . . . . 20
   9.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 21
   10. Acknowledgments  . . . . . . . . . . . . . . . . . . . . . . . 22
   11. References . . . . . . . . . . . . . . . . . . . . . . . . . . 23
     11.1. Normative References . . . . . . . . . . . . . . . . . . . 23
     11.2. Informative References . . . . . . . . . . . . . . . . . . 23
   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 25

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1.  Introduction

   The Keying and Authentication of Routing Protocols (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
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