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IETF RFC 6264
[ACTIVE]

An Incremental Carrier-Grade NAT (CGN) for IPv6 Transition

Metadata

Publisher
IETF
Doc Type
Informational
Pages
13
Abstract
Global IPv6 deployment was slower than originally expected. As IPv4 address exhaustion approaches, IPv4 to IPv6 transition issues become more critical and less tractable. Host-based transition mechanisms used in dual-stack environments cannot meet all transition requirements. Most end users are not sufficiently expert to configure or maintain host-based transition mechanisms. Carrier-Grade NAT (CGN) devices with integrated transition mechanisms can reduce the operational changes required during the IPv4 to IPv6 migration or coexistence period. This document proposes an incremental CGN approach for IPv6 transition. It can provide IPv6 access services for IPv6 hosts and IPv4 access services for IPv4 hosts while leaving much of a legacy ISP network unchanged during the initial stage of IPv4 to IPv6 migration. Unlike CGN alone, incremental CGN also supports and encourages smooth transition towards dual-stack or IPv6-only ISP networks. An integrated configurable CGN device and an adaptive home gateway (HG) device are described. Both are reusable during different transition phases, avoiding multiple upgrades. This enables IPv6 migration to be incrementally achieved according to real user requirements. This document is not an Internet Standards Track specification; it is published for informational purposes.
Publication Date
2011-06-01
Status Note
Informational
DOI
10.17487/RFC6264
Link
https://doi.org/10.17487/RFC6264
Author(s)
Sheng Jiang
Dayong Guo
Brian E. Carpenter
Latest version of IETF RFC 6264

Document Versions — IETF RFC 6264

  • ▶ IETF RFC 6264 (2011-06-01)
    THIS DOC [ACTIVE] [LATEST VERSION]

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IETF RFC 6264, An Incremental Carrier-Grade NAT (CGN) for IPv6 Transition. Available at https://doi.org/10.17487/RFC6264
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IETF RFC 6264, An Incremental Carrier-Grade NAT (CGN) for IPv6 Transition. Available at https://doi.org/10.17487/RFC6264

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IETF RFC 6264, An Incremental Carrier-Grade NAT (CGN) for IPv6 Transition. Available at https://doi.org/10.17487/RFC6264
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<span class="citation"><cite>IETF RFC 6264</cite>, An Incremental Carrier-Grade NAT (CGN) for IPv6 Transition. Available at <a href="https://doi.org/10.17487/RFC6264" target="_blank" rel="noopener">https://doi.org/10.17487/RFC6264</a></span>

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IETF RFC 6264, An Incremental Carrier-Grade NAT (CGN) for IPv6 Transition
doi: 10.17487/RFC6264
url: https://doi.org/10.17487/RFC6264
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<cite id="bib-rfc6264">IETF RFC 6264</cite>, An Incremental Carrier-Grade NAT (CGN) for IPv6 Transition
<span class="doi">10.17487/RFC6264</span>
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