Scenarios and Simulation Results of PCE in Native IP Network
draft-ietf-teas-native-ip-scenarios-08

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Document Type Active Internet-Draft (teas WG)
Last updated 2019-09-20 (latest revision 2019-08-29)
Replaces draft-wang-teas-ccdr
Stream IETF
Intended RFC status Informational
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Document shepherd Lou Berger
Shepherd write-up Show (last changed 2019-07-10)
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Has enough positions to pass.
Responsible AD Deborah Brungard
Send notices to Lou Berger <lberger@labn.net>
IANA IANA review state IANA OK - No Actions Needed
TEAS Working Group                                               A. Wang
Internet-Draft                                             China Telecom
Intended status: Informational                                  X. Huang
Expires: March 2, 2020                                            C. Kou
                                                                    BUPT
                                                                   Z. Li
                                                            China Mobile
                                                                   P. Mi
                                                     Huawei Technologies
                                                         August 30, 2019

      Scenarios and Simulation Results of PCE in Native IP Network
                 draft-ietf-teas-native-ip-scenarios-08

Abstract

   Requirements for providing the End to End(E2E) performance assurance
   are emerging within the service provider network.  While there are
   various technology solutions, there is no one solution which can
   fulfill these requirements for a native IP network.  One universal
   (E2E) solution which can cover both intra-domain and inter-domain
   scenarios is needed.

   One feasible E2E traffic engineering solution is the use of a Path
   Computation Elements (PCE) in a native IP network.  This document
   describes various complex scenarios and simulation results when
   applying a PCE in a native IP network.  This solution, referred to as
   Centralized Control Dynamic Routing (CCDR), integrates the advantage
   of using distributed protocols and the power of a centralized control
   technology.

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 March 2, 2020.

Wang, et al.              Expires March 2, 2020                 [Page 1]
Internet-Draft    CCDR Scenario and Simulation Results       August 2019

Copyright Notice

   Copyright (c) 2019 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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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  CCDR Scenarios. . . . . . . . . . . . . . . . . . . . . . . .   4
     3.1.  QoS Assurance for Hybrid Cloud-based Application. . . . .   4
     3.2.  Link Utilization Maximization . . . . . . . . . . . . . .   5
     3.3.  Traffic Engineering for Multi-Domain  . . . . . . . . . .   6
     3.4.  Network Temporal Congestion Elimination.  . . . . . . . .   7
   4.  CCDR Simulation.  . . . . . . . . . . . . . . . . . . . . . .   7
     4.1.  Topology Simulation . . . . . . . . . . . . . . . . . . .   7
     4.2.  Traffic Matrix Simulation.  . . . . . . . . . . . . . . .   8
     4.3.  CCDR End-to-End Path Optimization . . . . . . . . . . . .   8
     4.4.  Network Temporal Congestion Elimination . . . . . . . . .  10
   5.  CCDR Deployment Consideration.  . . . . . . . . . . . . . . .  11
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .  12
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  12
   8.  Contributors  . . . . . . . . . . . . . . . . . . . . . . . .  12
   9.  Acknowledgement . . . . . . . . . . . . . . . . . . . . . . .  12
   10. References  . . . . . . . . . . . . . . . . . . . . . . . . .  12
     10.1.  Normative References . . . . . . . . . . . . . . . . . .  12
     10.2.  Informative References . . . . . . . . . . . . . . . . .  12
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  13

1.  Introduction

   A service provider network is composed of thousands of routers that
   run distributed protocols to exchange the reachability information.
   The path for the destination network is mainly calculated, and
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