PCE in Native IP Network
draft-ietf-teas-pce-native-ip-02

Document Type Active Internet-Draft (teas WG)
Last updated 2018-10-22
Replaces draft-wang-teas-pce-native-ip
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TEAS Working Group                                               A. Wang
Internet-Draft                                             China Telecom
Intended status: Experimental                                    Q. Zhao
Expires: April 24, 2019                                      B. Khasanov
                                                                 H. Chen
                                                     Huawei Technologies
                                                               R. Mallya
                                                        Juniper Networks
                                                        October 21, 2018

                        PCE in Native IP Network
                    draft-ietf-teas-pce-native-ip-02

Abstract

   This document defines the CCDR framework for traffic engineering
   within native IP network, using Dual/Multi-BGP session strategy and
   PCE-based central control architecture.  The proposed central mode
   control framework conforms to the concept that defined in [RFC8283].
   The scenario and simulation results of CCDR traffic engineering is
   described in draft [I-D.ietf-teas-native-ip-scenarios].

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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   This Internet-Draft will expire on April 24, 2019.

Copyright Notice

   Copyright (c) 2018 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
   (https://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  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Conventions used in this document . . . . . . . . . . . . . .   3
   3.  Dual-BGP Framework for Simple Topology  . . . . . . . . . . .   3
   4.  Dual-BGP Framework in Large Scale Topology  . . . . . . . . .   4
   5.  Multi-BGP Strategy for Extended Traffic Differentiation . . .   5
   6.  CCDR Procedures for Multi-BGP Strategy  . . . . . . . . . . .   6
   7.  PCEP Extension for Key Parameters Delivery  . . . . . . . . .   7
   8.  Deployment Consideration  . . . . . . . . . . . . . . . . . .   7
     8.1.  Scalability . . . . . . . . . . . . . . . . . . . . . . .   8
     8.2.  High Availability . . . . . . . . . . . . . . . . . . . .   8
     8.3.  Incremental deployment  . . . . . . . . . . . . . . . . .   8
   9.  Security Considerations . . . . . . . . . . . . . . . . . . .   8
   10. IANA Considerations . . . . . . . . . . . . . . . . . . . . .   9
   11. Contributors  . . . . . . . . . . . . . . . . . . . . . . . .   9
   12. Acknowledgement . . . . . . . . . . . . . . . . . . . . . . .   9
   13. Normative References  . . . . . . . . . . . . . . . . . . . .   9
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  10

1.  Introduction

   Draft [I-D.ietf-teas-native-ip-scenarios] describes the scenario and
   simulation results for traffic engineering in native IP network.  In
   summary, the requirements for traffic engineering in native IP
   network are the followings:

   o  No complex MPLS signaling procedure.

   o  End to End traffic assurance, determined QoS behavior.

   o  Identical deployment method for intra- and inter- domain.

   o  No influence to existing router forward behavior.

   o  Can utilize the power of centrally control(PCE) and flexibility/
      robustness of distributed control protocol.

   o  Coping with the differentiation requirements for large amount
      traffic and prefixes.

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   o  Flexible deployment and automation control.

   This document defines the framework for traffic engineering within
   native IP network, using Dual/Multi-BGP session strategy, to meet the
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