Secure Transport for PCEP
draft-ietf-pce-pceps-04

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Document Type Active Internet-Draft (pce WG)
Last updated 2015-05-05
Replaces draft-lopez-pce-pceps
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PCE Working Group                                               D. Lopez
Internet-Draft                                       O. Gonzalez de Dios
Intended status: Experimental                             Telefonica I+D
Expires: November 6, 2015                                          Q. Wu
                                                                D. Dhody
                                                                  Huawei
                                                             May 5, 2015

                       Secure Transport for PCEP
                        draft-ietf-pce-pceps-04

Abstract

   The Path Computation Element Communication Protocol (PCEP) defines
   the mechanisms for the communication between a Path Computation
   Client (PCC) and a Path Computation Element (PCE), or among PCEs.
   This document describe the usage of Transport Layer Security (TLS) to
   enhance PCEP security, hence the PCEPS acronym proposed for it.  The
   additional security mechanisms are provided by the transport protocol
   supporting PCEP, and therefore they do not affect the flexibility and
   extensibility of PCEP.

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
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   Internet-Drafts are draft documents valid for a maximum of six months
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   This Internet-Draft will expire on November 6, 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

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   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.  Requirements Language  . . . . . . . . . . . . . . . . . . . .  3
   3.  Applying PCEPS . . . . . . . . . . . . . . . . . . . . . . . .  4
     3.1.  Overview . . . . . . . . . . . . . . . . . . . . . . . . .  4
     3.2.  Initiating the TLS Procedures  . . . . . . . . . . . . . .  4
     3.3.  The StartTLS Message . . . . . . . . . . . . . . . . . . .  5
     3.4.  TLS Connection Establishment . . . . . . . . . . . . . . .  7
     3.5.  Peer Identity  . . . . . . . . . . . . . . . . . . . . . .  9
     3.6.  Connection Establishment Failure . . . . . . . . . . . . . 10
   4.  Discovery Mechanisms . . . . . . . . . . . . . . . . . . . . . 10
     4.1.  DANE Applicability . . . . . . . . . . . . . . . . . . . . 11
   5.  Backward Compatibility . . . . . . . . . . . . . . . . . . . . 11
   6.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 11
     6.1.  New PCEP Message . . . . . . . . . . . . . . . . . . . . . 12
     6.2.  New Error-Values . . . . . . . . . . . . . . . . . . . . . 12
   7.  Security Considerations  . . . . . . . . . . . . . . . . . . . 12
   8.  Manageability Considerations . . . . . . . . . . . . . . . . . 13
     8.1.  Control of Function and Policy . . . . . . . . . . . . . . 13
     8.2.  Information and Data Models  . . . . . . . . . . . . . . . 14
     8.3.  Liveness Detection and Monitoring  . . . . . . . . . . . . 14
     8.4.  Verify Correct Operations  . . . . . . . . . . . . . . . . 14
     8.5.  Requirements on Other Protocols  . . . . . . . . . . . . . 14
     8.6.  Impact on Network Operations . . . . . . . . . . . . . . . 14
   9.  Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 14
   10. References . . . . . . . . . . . . . . . . . . . . . . . . . . 14
     10.1. Normative References . . . . . . . . . . . . . . . . . . . 14
     10.2. Informative References . . . . . . . . . . . . . . . . . . 16

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1.  Introduction

   PCEP [RFC5440] defines the mechanisms for the communication between a
   Path Computation Client (PCC) and a Path Computation Element (PCE),
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