NAT64-CPE Mode Operation for Opening Residential Service

1
NAT64-CPE Mode Operation for Opening Residential
Service

• Gang Chen (chengang_at_chinamobile.com)
• Hui Deng (denghui_at_chinamobile.com)

2
Outline

• Introduction
• NAT64-CPE Mode Scenario Overviews
• NAT64-CPE Mode Operation
• NAT64-CPE Approach Discussion

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Introduction

• The document has proposed an approach of
  NAT64-CPE mode, which would give residential
  service opportunities to be accessed by remote
  subscribers going through IPv6 networks.
• The document captures the fundamental NAT64
  functionalities with special cares to fit into
  CPE scenarios and don't need cooperate with DNS64
  any more

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NAT64-CPE Mode Scenario Overviews

• IPv6-only client attached to a dual-stack
  network, but the destination server is running
  on a private site where there is NAT64-CPE
  numbered with public IPv6 addresses and private
  IPv4 addresses.

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NAT64-CPE Mode Operation

• CPE Functionalities Description
• It will perform the functionalities that normal
  CPE does except NAT44 forwarding
• CPE should carry NAT64 capable mode without
  integrating DNS64 The NAT64 IPv6 prefix will be
  NSP And, ISP will reserve distinct NSP for each
  CPE
• DNS Configuration Consideration
• Each residential services should be represented
  by FQDN format. The corresponding naming resource
  record should be stored as AAAA.

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NAT64-CPE Mode Operation Example
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NAT64-CPE Approach Discussion

• NAT64-CPE is capable of making residential server
  to be accessed, by means of which users could
  visit the IPv4-only server remotely
• NAT64-CPE is a solely NAT64 deployed solution in
  CPE environment. It will compatible with legacy
  residential servers and no further updates
  requirements to DNS

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• Thanks
• Questions