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NAT64 Deployment Options and Experience
draft-ietf-v6ops-nat64-experience-10

Document type: Active Internet-Draft (v6ops WG)
Document stream: IETF
Last updated: 2014-04-01 (latest revision 2014-03-10)
Intended RFC status: Informational
Other versions: plain text, pdf, html

IETF State: Submitted to IESG for Publication
Consensus: Yes
Document shepherd: Fred Baker
Shepherd Write-Up: Last changed 2014-01-31

IESG State: RFC Ed Queue
IANA Action State: No IC
RFC Editor State: EDIT
Responsible AD: Joel Jaeggli
Send notices to: v6ops-chairs@tools.ietf.org, draft-ietf-v6ops-nat64-experience@tools.ietf.org

Internet Engineering Task Force                                  G. Chen
Internet-Draft                                                    Z. Cao
Intended status: Informational                              China Mobile
Expires: September 11, 2014                                       C. Xie
                                                           China Telecom
                                                                D. Binet
                                                   France Telecom-Orange
                                                          March 10, 2014

                NAT64 Deployment Options and Experience
                  draft-ietf-v6ops-nat64-experience-10

Abstract

   This document summarizes NAT64 function deployment scenarios and
   operational experience.  Both NAT64 Carrier Grade NAT (NAT64-CGN) and
   NAT64 server Front End (NAT64-FE) are considered in this document.

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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   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 September 11, 2014.

Copyright Notice

   Copyright (c) 2014 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
   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

Chen, et al.           Expires September 11, 2014               [Page 1]
Internet-Draft              NAT64 Experience                  March 2014

   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  NAT64 Networking Experience . . . . . . . . . . . . . . . . .   4
     3.1.  NAT64-CGN Consideration . . . . . . . . . . . . . . . . .   4
       3.1.1.  NAT64-CGN Usages  . . . . . . . . . . . . . . . . . .   4
       3.1.2.  DNS64 Deployment  . . . . . . . . . . . . . . . . . .   4
       3.1.3.  NAT64 Placement . . . . . . . . . . . . . . . . . . .   5
       3.1.4.  Co-existence of NAT64 and NAT44 . . . . . . . . . . .   5
     3.2.  NAT64-FE Consideration  . . . . . . . . . . . . . . . . .   6
   4.  High Availability . . . . . . . . . . . . . . . . . . . . . .   7
     4.1.  Redundancy Design . . . . . . . . . . . . . . . . . . . .   7
     4.2.  Load Balancing  . . . . . . . . . . . . . . . . . . . . .   9
   5.  Source Address Transparency . . . . . . . . . . . . . . . . .   9
     5.1.  Traceability  . . . . . . . . . . . . . . . . . . . . . .   9
     5.2.  Geo-location  . . . . . . . . . . . . . . . . . . . . . .  10
   6.  Quality of Experience . . . . . . . . . . . . . . . . . . . .  11
     6.1.  Service Reachability  . . . . . . . . . . . . . . . . . .  11
     6.2.  Resource Reservation  . . . . . . . . . . . . . . . . . .  12
   7.  MTU Considerations  . . . . . . . . . . . . . . . . . . . . .  13
   8.  ULA Usages  . . . . . . . . . . . . . . . . . . . . . . . . .  14
   9.  Security Considerations . . . . . . . . . . . . . . . . . . .  15
   10. IANA Considerations . . . . . . . . . . . . . . . . . . . . .  15
   11. Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  15
   12. Additional Author List  . . . . . . . . . . . . . . . . . . .  16
   13. References  . . . . . . . . . . . . . . . . . . . . . . . . .  16
     13.1.  Normative References . . . . . . . . . . . . . . . . . .  16
     13.2.  Informative References . . . . . . . . . . . . . . . . .  18
   Appendix A.  Testing Results of Application Behavior  . . . . . .  20
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  21

1.  Introduction

   IPv6 is the only sustainable solution for numbering nodes on Internet
   due to the IPv4 depletion.  Network operators have to deploy
   IPv6-only networks in order to meet the needs of the expanding

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