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IETF RFC 7157
[ACTIVE]

IPv6 Multihoming without Network Address Translation

Metadata

Publisher
IETF
Doc Type
Informational
Pages
22
Abstract
Network Address and Port Translation (NAPT) works well for conserving global addresses and addressing multihoming requirements because an IPv4 NAPT router implements three functions: source address selection, next-hop resolution, and (optionally) DNS resolution. For IPv6 hosts, one approach could be the use of IPv6-to-IPv6 Network Prefix Translation (NPTv6). However, NAT and NPTv6 should be avoided, if at all possible, to permit transparent end-to-end connectivity. In this document, we analyze the use cases of multihoming. We also describe functional requirements and possible solutions for multihoming without the use of NAT in IPv6 for hosts and small IPv6 networks that would otherwise be unable to meet minimum IPv6-allocation criteria. We conclude that DHCPv6-based solutions are suitable to solve the multihoming issues described in this document, but NPTv6 may be required as an intermediate solution.
Publication Date
2014-03-01
Status Note
Informational
DOI
10.17487/RFC7157
Link
https://doi.org/10.17487/RFC7157
Author(s)
Ole Trøan
David Miles
Satoru Matsushima
Tadahisa Okimoto
Dan Wing
Keyword(s)
NPTv6
Latest version of IETF RFC 7157

Document Versions — IETF RFC 7157

  • ▶ IETF RFC 7157 (2014-03-01)
    THIS DOC [ACTIVE] [LATEST VERSION]

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IETF RFC 7157, IPv6 Multihoming without Network Address Translation. Available at https://doi.org/10.17487/RFC7157
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IETF RFC 7157, IPv6 Multihoming without Network Address Translation. Available at https://doi.org/10.17487/RFC7157

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IETF RFC 7157, IPv6 Multihoming without Network Address Translation. Available at https://doi.org/10.17487/RFC7157
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<span class="citation"><cite>IETF RFC 7157</cite>, IPv6 Multihoming without Network Address Translation. Available at <a href="https://doi.org/10.17487/RFC7157" target="_blank" rel="noopener">https://doi.org/10.17487/RFC7157</a></span>

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IETF RFC 7157, IPv6 Multihoming without Network Address Translation
doi: 10.17487/RFC7157
url: https://doi.org/10.17487/RFC7157
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<cite id="bib-rfc7157">IETF RFC 7157</cite>, IPv6 Multihoming without Network Address Translation
<span class="doi">10.17487/RFC7157</span>
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