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98
draft-nbourbaki-6man-classless-ipv6.txt
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Network Working Group N. Bourbaki Network Working Group N. Bourbaki
Internet-Draft The Intertubes Internet-Draft The Intertubes
Intended status: Standards Track May 9, 2017 Intended status: Standards Track May 10, 2017
Expires: November 10, 2017 Expires: November 11, 2017
IPv6 is Classless IPv6 is Classless
@ -35,7 +35,7 @@ Status of This Memo
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on November 10, 2017. This Internet-Draft will expire on November 11, 2017.
Copyright Notice Copyright Notice
@ -53,7 +53,7 @@ Copyright Notice
Bourbaki Expires November 10, 2017 [Page 1] Bourbaki Expires November 11, 2017 [Page 1]
Internet-Draft IPv6 is Classless May 2017 Internet-Draft IPv6 is Classless May 2017
@ -74,7 +74,7 @@ Table of Contents
9. References . . . . . . . . . . . . . . . . . . . . . . . . . 4 9. References . . . . . . . . . . . . . . . . . . . . . . . . . 4
9.1. Normative References . . . . . . . . . . . . . . . . . . 4 9.1. Normative References . . . . . . . . . . . . . . . . . . 4
9.2. Informative References . . . . . . . . . . . . . . . . . 5 9.2. Informative References . . . . . . . . . . . . . . . . . 5
Author's Address . . . . . . . . . . . . . . . . . . . . . . . . 5 Author's Address . . . . . . . . . . . . . . . . . . . . . . . . 6
1. Introduction 1. Introduction
@ -89,7 +89,7 @@ Table of Contents
Some confusion has been caused by the IP Version 6 Addressing Some confusion has been caused by the IP Version 6 Addressing
Architecture, [RFC4291], and the proposed changes in Architecture, [RFC4291], and the proposed changes in
[I-D.hinden-6man-rfc4291bis] with respect to the minimum subnet size. [I-D.ietf-6man-rfc4291bis] with respect to the minimum subnet size.
Meanwhile, link prefixes of varied lengths, /127, /126, /124, /120, Meanwhile, link prefixes of varied lengths, /127, /126, /124, /120,
... /64 have been successfully deployed for many years. Having the ... /64 have been successfully deployed for many years. Having the
@ -109,15 +109,16 @@ Table of Contents
Bourbaki Expires November 10, 2017 [Page 2] Bourbaki Expires November 11, 2017 [Page 2]
Internet-Draft IPv6 is Classless May 2017 Internet-Draft IPv6 is Classless May 2017
It is also assumed that the reader understands IPv6 [RFC2460], the IP It is also assumed that the reader understands IPv6 [RFC2460], the IP
Version 6 Addressing Architecture [RFC4291], the proposed changes to Version 6 Addressing Architecture [RFC4291], the proposed changes to
RFC4291 [I-D.hinden-6man-rfc4291bis], and the recent recommendations RFC4291 [I-D.ietf-6man-rfc4291bis] and RFC2464
for the generation of stable Interface Identifiers [RFC8064]. [I-D.hinden-6man-rfc2464bis], and the recent recommendations for the
generation of stable Interface Identifiers [RFC8064].
An important recent IPv6 development was that, for host computers on An important recent IPv6 development was that, for host computers on
local area networks, the way in which interface identifiers were local area networks, the way in which interface identifiers were
@ -130,9 +131,10 @@ Internet-Draft IPv6 is Classless May 2017
To state it simply, IPv6 unicast subnetting is based on prefixes of To state it simply, IPv6 unicast subnetting is based on prefixes of
any valid length up to 128 except for links where an Internet any valid length up to 128 except for links where an Internet
Standard such as, for example, Stateless Address AutoConfiguration Standard that has nothing to do with routing may impose a particular
(SLAAC) [RFC4862], or Using 127-Bit IPv6 Prefixes on Inter-Router length. Examples are Stateless Address AutoConfiguration (SLAAC)
Links [RFC6164] is in use. [RFC4862], or Using 127-Bit IPv6 Prefixes on Inter-Router Links
[RFC6164].
Nodes must always support routing on any valid network prefix length, Nodes must always support routing on any valid network prefix length,
even if SLAAC or other standards are in use, because routing could even if SLAAC or other standards are in use, because routing could
@ -163,9 +165,7 @@ Internet-Draft IPv6 is Classless May 2017
Bourbaki Expires November 11, 2017 [Page 3]
Bourbaki Expires November 10, 2017 [Page 3]
Internet-Draft IPv6 is Classless May 2017 Internet-Draft IPv6 is Classless May 2017
@ -221,7 +221,7 @@ Internet-Draft IPv6 is Classless May 2017
Bourbaki Expires November 10, 2017 [Page 4] Bourbaki Expires November 11, 2017 [Page 4]
Internet-Draft IPv6 is Classless May 2017 Internet-Draft IPv6 is Classless May 2017
@ -233,10 +233,15 @@ Internet-Draft IPv6 is Classless May 2017
9.2. Informative References 9.2. Informative References
[I-D.hinden-6man-rfc4291bis] [I-D.hinden-6man-rfc2464bis]
Hinden, B. and S. Deering, "IP Version 6 Addressing Crawford, M. and R. Hinden, "Transmission of IPv6 Packets
Architecture", draft-hinden-6man-rfc4291bis-06 (work in over Ethernet Networks", draft-hinden-6man-rfc2464bis-02
progress), October 2015. (work in progress), March 2017.
[I-D.ietf-6man-rfc4291bis]
Hinden, R. and S. <>, "IP Version 6 Addressing
Architecture", draft-ietf-6man-rfc4291bis-07 (work in
progress), January 2017.
[RFC3587] Hinden, R., Deering, S., and E. Nordmark, "IPv6 Global [RFC3587] Hinden, R., Deering, S., and E. Nordmark, "IPv6 Global
Unicast Address Format", RFC 3587, August 2003. Unicast Address Format", RFC 3587, August 2003.
@ -265,6 +270,18 @@ Internet-Draft IPv6 is Classless May 2017
RFC 7721, DOI 10.17487/RFC7721, March 2016, RFC 7721, DOI 10.17487/RFC7721, March 2016,
<http://www.rfc-editor.org/info/rfc7721>. <http://www.rfc-editor.org/info/rfc7721>.
Bourbaki Expires November 11, 2017 [Page 5]
Internet-Draft IPv6 is Classless May 2017
Author's Address Author's Address
Nicolas Bourbaki Nicolas Bourbaki
@ -277,4 +294,43 @@ Author's Address
Bourbaki Expires November 10, 2017 [Page 5]
Bourbaki Expires November 11, 2017 [Page 6]

11
draft-nbourbaki-6man-classless-ipv6.xml
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@ -75,7 +75,7 @@
<t>Some confusion has been caused by the IP Version 6 Addressing <t>Some confusion has been caused by the IP Version 6 Addressing
Architecture, <xref target="RFC4291"/>, and the proposed changes in Architecture, <xref target="RFC4291"/>, and the proposed changes in
<xref target="I-D.hinden-6man-rfc4291bis"/> with respect to the <xref target="I-D.ietf-6man-rfc4291bis"/> with respect to the
minimum subnet size.</t> minimum subnet size.</t>
<t>Meanwhile, link prefixes of varied lengths, /127, /126, /124, <t>Meanwhile, link prefixes of varied lengths, /127, /126, /124,
@ -98,7 +98,8 @@
<t>It is also assumed that the reader understands IPv6 <xref <t>It is also assumed that the reader understands IPv6 <xref
target="RFC2460"/>, the IP Version 6 Addressing Architecture <xref target="RFC2460"/>, the IP Version 6 Addressing Architecture <xref
target="RFC4291"/>, the proposed changes to RFC4291 <xref target="RFC4291"/>, the proposed changes to RFC4291 <xref
target="I-D.hinden-6man-rfc4291bis"/>, and the recent target="I-D.ietf-6man-rfc4291bis"/> and RFC2464
<xref target="I-D.hinden-6man-rfc2464bis"/>, and the recent
recommendations for the generation of stable Interface Identifiers recommendations for the generation of stable Interface Identifiers
<xref target="RFC8064"/>.</t> <xref target="RFC8064"/>.</t>
@ -130,8 +131,8 @@ rate is low enough.
<t>To state it simply, IPv6 unicast subnetting is based on prefixes <t>To state it simply, IPv6 unicast subnetting is based on prefixes
of any valid length up to 128 except for links where an Internet of any valid length up to 128 except for links where an Internet
Standard, that has nothing to do with routing, may impose a Standard that has nothing to do with routing may impose a
particular length. Examples are Stateless Address AutoConfiguration particular length. Examples are Stateless Address AutoConfiguration
(SLAAC) <xref target="RFC4862"/>, or Using 127-Bit IPv6 Prefixes on (SLAAC) <xref target="RFC4862"/>, or Using 127-Bit IPv6 Prefixes on
Inter-Router Links <xref target="RFC6164"/>.</t> Inter-Router Links <xref target="RFC6164"/>.</t>
@ -254,7 +255,7 @@ rate is low enough.
<?rfc include="reference.RFC.7707"?> <?rfc include="reference.RFC.7707"?>
<?rfc include="reference.RFC.7136"?> <?rfc include="reference.RFC.7136"?>
<?rfc include="reference.RFC.7721"?> <?rfc include="reference.RFC.7721"?>
<?rfc include="reference.I-D.hinden-6man-rfc4291bis"?> <?rfc include="reference.I-D.ietf-6man-rfc4291bis"?>
<?rfc include="reference.I-D.hinden-6man-rfc2464bis"?> <?rfc include="reference.I-D.hinden-6man-rfc2464bis"?>
</references> </references>