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<pre>Network Working Group J. Loughney, Ed.
Request for Comments: 4294 Nokia
Category: Informational April 2006
<span class="h1">IPv6 Node Requirements</span>
Status of This Memo
This memo provides information for the Internet community. It does
not specify an Internet standard of any kind. Distribution of this
memo is unlimited.
Copyright Notice
Copyright (C) The Internet Society (2006).
Abstract
This document defines requirements for IPv6 nodes. It is expected
that IPv6 will be deployed in a wide range of devices and situations.
Specifying the requirements for IPv6 nodes allows IPv6 to function
well and interoperate in a large number of situations and
deployments.
Table of Contents
<a href="#section-1">1</a>. Introduction ....................................................<a href="#page-2">2</a>
<a href="#section-1.1">1.1</a>. Requirement Language .......................................<a href="#page-3">3</a>
<a href="#section-1.2">1.2</a>. Scope of This Document .....................................<a href="#page-3">3</a>
<a href="#section-1.3">1.3</a>. Description of IPv6 Nodes ..................................<a href="#page-3">3</a>
<a href="#section-2">2</a>. Abbreviations Used in This Document .............................<a href="#page-3">3</a>
<a href="#section-3">3</a>. Sub-IP Layer ....................................................<a href="#page-4">4</a>
3.1. Transmission of IPv6 Packets over Ethernet Networks
- <a href="./rfc2464">RFC 2464</a> .................................................<a href="#page-4">4</a>
<a href="#section-3.2">3.2</a>. IP version 6 over PPP - <a href="./rfc2472">RFC 2472</a> ...........................<a href="#page-4">4</a>
<a href="#section-3.3">3.3</a>. IPv6 over ATM Networks - <a href="./rfc2492">RFC 2492</a> ..........................<a href="#page-4">4</a>
<a href="#section-4">4</a>. IP Layer ........................................................<a href="#page-5">5</a>
<a href="#section-4.1">4.1</a>. Internet Protocol Version 6 - <a href="./rfc2460">RFC 2460</a> .....................<a href="#page-5">5</a>
<a href="#section-4.2">4.2</a>. Neighbor Discovery for IPv6 - <a href="./rfc2461">RFC 2461</a> .....................<a href="#page-5">5</a>
<a href="#section-4.3">4.3</a>. Path MTU Discovery and Packet Size .........................<a href="#page-6">6</a>
4.4. ICMP for the Internet Protocol Version 6 (IPv6) -
<a href="./rfc2463">RFC 2463</a> ...................................................<a href="#page-7">7</a>
<a href="#section-4.5">4.5</a>. Addressing .................................................<a href="#page-7">7</a>
<a href="#section-4.6">4.6</a>. Multicast Listener Discovery (MLD) for IPv6 - <a href="./rfc2710">RFC 2710</a> .....<a href="#page-8">8</a>
<a href="#section-5">5</a>. DNS and DHCP ....................................................<a href="#page-8">8</a>
<a href="#section-5.1">5.1</a>. DNS ........................................................<a href="#page-8">8</a>
<span class="grey">Loughney Informational [Page 1]</span></pre>
<hr class='noprint'/><!--NewPage--><pre class='newpage'><span id="page-2" ></span>
<span class="grey"><a href="./rfc4294">RFC 4294</a> IPv6 Node Requirements April 2006</span>
5.2. Dynamic Host Configuration Protocol for IPv6
(DHCPv6) - <a href="./rfc3315">RFC 3315</a> ........................................<a href="#page-9">9</a>
<a href="#section-6">6</a>. IPv4 Support and Transition ....................................<a href="#page-10">10</a>
<a href="#section-6.1">6.1</a>. Transition Mechanisms .....................................<a href="#page-10">10</a>
<a href="#section-7">7</a>. Mobile IP ......................................................<a href="#page-10">10</a>
<a href="#section-8">8</a>. Security .......................................................<a href="#page-10">10</a>
<a href="#section-8.1">8.1</a>. Basic Architecture ........................................<a href="#page-10">10</a>
<a href="#section-8.2">8.2</a>. Security Protocols ........................................<a href="#page-11">11</a>
<a href="#section-8.3">8.3</a>. Transforms and Algorithms .................................<a href="#page-11">11</a>
<a href="#section-8.4">8.4</a>. Key Management Methods ....................................<a href="#page-12">12</a>
<a href="#section-9">9</a>. Router-Specific Functionality ..................................<a href="#page-12">12</a>
<a href="#section-9.1">9.1</a>. General ...................................................<a href="#page-12">12</a>
<a href="#section-10">10</a>. Network Management ............................................<a href="#page-12">12</a>
<a href="#section-10.1">10.1</a>. Management Information Base Modules (MIBs) ...............<a href="#page-12">12</a>
<a href="#section-11">11</a>. Security Considerations .......................................<a href="#page-13">13</a>
<a href="#section-12">12</a>. References ....................................................<a href="#page-13">13</a>
<a href="#section-12.1">12.1</a>. Normative References .....................................<a href="#page-13">13</a>
<a href="#section-12.2">12.2</a>. Informative References ...................................<a href="#page-16">16</a>
<a href="#section-13">13</a>. Authors and Acknowledgements ..................................<a href="#page-18">18</a>
<span class="h2"><a class="selflink" id="section-1" href="#section-1">1</a>. Introduction</span>
The goal of this document is to define the common functionality
required from both IPv6 hosts and routers. Many IPv6 nodes will
implement optional or additional features, but this document
summarizes requirements from other published Standards Track
documents in one place.
This document tries to avoid discussion of protocol details, and
references RFCs for this purpose. This document is informational in
nature and does not update Standards Track RFCs.
Although the document points to different specifications, it should
be noted that in most cases, the granularity of requirements are
smaller than a single specification, as many specifications define
multiple, independent pieces, some of which may not be mandatory.
As it is not always possible for an implementer to know the exact
usage of IPv6 in a node, an overriding requirement for IPv6 nodes is
that they should adhere to Jon Postel's Robustness Principle:
Be conservative in what you do, be liberal in what you accept from
others [<a href="./rfc793" title=""Transmission Control Protocol"">RFC-793</a>].
<span class="grey">Loughney Informational [Page 2]</span></pre>
<hr class='noprint'/><!--NewPage--><pre class='newpage'><span id="page-3" ></span>
<span class="grey"><a href="./rfc4294">RFC 4294</a> IPv6 Node Requirements April 2006</span>
<span class="h3"><a class="selflink" id="section-1.1" href="#section-1.1">1.1</a>. Requirement Language</span>
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in <a href="./rfc2119">RFC 2119</a> [<a href="./rfc2119" title=""Key words for use in RFCs to Indicate Requirement Levels"">RFC-2119</a>].
<span class="h3"><a class="selflink" id="section-1.2" href="#section-1.2">1.2</a>. Scope of This Document</span>
IPv6 covers many specifications. It is intended that IPv6 will be
deployed in many different situations and environments. Therefore,
it is important to develop the requirements for IPv6 nodes to ensure
interoperability.
This document assumes that all IPv6 nodes meet the minimum
requirements specified here.
<span class="h3"><a class="selflink" id="section-1.3" href="#section-1.3">1.3</a>. Description of IPv6 Nodes</span>
From the Internet Protocol, Version 6 (IPv6) Specification
[<a href="./rfc2460" title=""Internet Protocol, Version 6 (IPv6) Specification"">RFC-2460</a>], we have the following definitions:
Description of an IPv6 Node
- a device that implements IPv6.
Description of an IPv6 router
- a node that forwards IPv6 packets not explicitly addressed
to itself.
Description of an IPv6 Host
- any node that is not a router.
<span class="h2"><a class="selflink" id="section-2" href="#section-2">2</a>. Abbreviations Used in This Document</span>
ATM Asynchronous Transfer Mode
AH Authentication Header
DAD Duplicate Address Detection
ESP Encapsulating Security Payload
ICMP Internet Control Message Protocol
IKE Internet Key Exchange
<span class="grey">Loughney Informational [Page 3]</span></pre>
<hr class='noprint'/><!--NewPage--><pre class='newpage'><span id="page-4" ></span>
<span class="grey"><a href="./rfc4294">RFC 4294</a> IPv6 Node Requirements April 2006</span>
MIB Management Information Base
MLD Multicast Listener Discovery
MTU Maximum Transfer Unit
NA Neighbor Advertisement
NBMA Non-Broadcast Multiple Access
ND Neighbor Discovery
NS Neighbor Solicitation
NUD Neighbor Unreachability Detection
PPP Point-to-Point Protocol
PVC Permanent Virtual Circuit
SVC Switched Virtual Circuit
<span class="h2"><a class="selflink" id="section-3" href="#section-3">3</a>. Sub-IP Layer</span>
An IPv6 node must include support for one or more IPv6 link-layer
specifications. Which link-layer specifications are included will
depend upon what link-layers are supported by the hardware available
on the system. It is possible for a conformant IPv6 node to support
IPv6 on some of its interfaces and not on others.
As IPv6 is run over new layer 2 technologies, it is expected that new
specifications will be issued. This section highlights some major
layer 2 technologies and is not intended to be complete.
<span class="h3"><a class="selflink" id="section-3.1" href="#section-3.1">3.1</a>. Transmission of IPv6 Packets over Ethernet Networks - <a href="./rfc2464">RFC 2464</a></span>
Nodes supporting IPv6 over Ethernet interfaces MUST implement
Transmission of IPv6 Packets over Ethernet Networks [<a href="./rfc2464" title=""Transmission of IPv6 Packets over Ethernet Networks"">RFC-2464</a>].
<span class="h3"><a class="selflink" id="section-3.2" href="#section-3.2">3.2</a>. IP version 6 over PPP - <a href="./rfc2472">RFC 2472</a></span>
Nodes supporting IPv6 over PPP MUST implement IPv6 over PPP
[<a href="./rfc2472" title=""IP Version 6 over PPP"">RFC-2472</a>].
<span class="h3"><a class="selflink" id="section-3.3" href="#section-3.3">3.3</a>. IPv6 over ATM Networks - <a href="./rfc2492">RFC 2492</a></span>
Nodes supporting IPv6 over ATM Networks MUST implement IPv6 over ATM
Networks [<a href="./rfc2492" title=""IPv6 over ATM Networks"">RFC-2492</a>]. Additionally, <a href="./rfc2492">RFC 2492</a> states:
<span class="grey">Loughney Informational [Page 4]</span></pre>
<hr class='noprint'/><!--NewPage--><pre class='newpage'><span id="page-5" ></span>
<span class="grey"><a href="./rfc4294">RFC 4294</a> IPv6 Node Requirements April 2006</span>
A minimally conforming IPv6/ATM driver SHALL support the PVC mode
of operation. An IPv6/ATM driver that supports the full SVC mode
SHALL also support PVC mode of operation.
<span class="h2"><a class="selflink" id="section-4" href="#section-4">4</a>. IP Layer</span>
<span class="h3"><a class="selflink" id="section-4.1" href="#section-4.1">4.1</a>. Internet Protocol Version 6 - <a href="./rfc2460">RFC 2460</a></span>
The Internet Protocol Version 6 is specified in [<a href="./rfc2460" title=""Internet Protocol, Version 6 (IPv6) Specification"">RFC-2460</a>]. This
specification MUST be supported.
Unrecognized options in Hop-by-Hop Options or Destination Options
extensions MUST be processed as described in <a href="./rfc2460">RFC 2460</a>.
The node MUST follow the packet transmission rules in <a href="./rfc2460">RFC 2460</a>.
Nodes MUST always be able to send, receive, and process fragment
headers. All conformant IPv6 implementations MUST be capable of
sending and receiving IPv6 packets; the forwarding functionality MAY
be supported.
<a href="./rfc2460">RFC 2460</a> specifies extension headers and the processing for these
headers.
A full implementation of IPv6 includes implementation of the
following extension headers: Hop-by-Hop Options, Routing (Type 0),
Fragment, Destination Options, Authentication and Encapsulating
Security Payload [<a href="./rfc2460" title=""Internet Protocol, Version 6 (IPv6) Specification"">RFC-2460</a>].
An IPv6 node MUST be able to process these headers. It should be
noted that there is some discussion about the use of Routing Headers
and possible security threats [<a href="#ref-IPv6-RH" title=""Security of IPv6 Routing Header and Home Address Options"">IPv6-RH</a>] that they cause.
<span class="h3"><a class="selflink" id="section-4.2" href="#section-4.2">4.2</a>. Neighbor Discovery for IPv6 - <a href="./rfc2461">RFC 2461</a></span>
Neighbor Discovery SHOULD be supported. [<a href="./rfc2461" title=""Neighbor Discovery for IP Version 6 (IPv6)"">RFC-2461</a>] states:
"Unless specified otherwise (in a document that covers operating
IP over a particular link type) this document applies to all link
types. However, because ND uses link-layer multicast for some of
its services, it is possible that on some link types (e.g., NBMA
links) alternative protocols or mechanisms to implement those
services will be specified (in the appropriate document covering
the operation of IP over a particular link type). The services
described in this document that are not directly dependent on
multicast, such as Redirects, Next-hop determination, Neighbor
Unreachability Detection, etc., are expected to be provided as
<span class="grey">Loughney Informational [Page 5]</span></pre>
<hr class='noprint'/><!--NewPage--><pre class='newpage'><span id="page-6" ></span>
<span class="grey"><a href="./rfc4294">RFC 4294</a> IPv6 Node Requirements April 2006</span>
specified in this document. The details of how one uses ND on
NBMA links is an area for further study."
Some detailed analysis of Neighbor Discovery follows:
Router Discovery is how hosts locate routers that reside on an
attached link. Router Discovery MUST be supported for
implementations.
Prefix Discovery is how hosts discover the set of address prefixes
that define which destinations are on-link for an attached link.
Prefix discovery MUST be supported for implementations. Neighbor
Unreachability Detection (NUD) MUST be supported for all paths
between hosts and neighboring nodes. It is not required for paths
between routers. However, when a node receives a unicast Neighbor
Solicitation (NS) message (that may be a NUD's NS), the node MUST
respond to it (i.e., send a unicast Neighbor Advertisement).
Duplicate Address Detection MUST be supported on all links supporting
link-layer multicast (<a href="./rfc2462#section-5.4">RFC 2462, Section 5.4</a>, specifies DAD MUST take
place on all unicast addresses).
A host implementation MUST support sending Router Solicitations.
Receiving and processing Router Advertisements MUST be supported for
host implementations. The ability to understand specific Router
Advertisement options is dependent on supporting the specification
where the RA is specified.
Sending and Receiving Neighbor Solicitation (NS) and Neighbor
Advertisement (NA) MUST be supported. NS and NA messages are
required for Duplicate Address Detection (DAD).
Redirect functionality SHOULD be supported. If the node is a router,
Redirect functionality MUST be supported.
<span class="h3"><a class="selflink" id="section-4.3" href="#section-4.3">4.3</a>. Path MTU Discovery and Packet Size</span>
<span class="h4"><a class="selflink" id="section-4.3.1" href="#section-4.3.1">4.3.1</a>. Path MTU Discovery - <a href="./rfc1981">RFC 1981</a></span>
Path MTU Discovery [<a href="./rfc1981" title=""Path MTU Discovery for IP version 6"">RFC-1981</a>] SHOULD be supported, though minimal
implementations MAY choose to not support it and avoid large packets.
The rules in <a href="./rfc2460">RFC 2460</a> MUST be followed for packet fragmentation and
reassembly.
<span class="h4"><a class="selflink" id="section-4.3.2" href="#section-4.3.2">4.3.2</a>. IPv6 Jumbograms - <a href="./rfc2675">RFC 2675</a></span>
IPv6 Jumbograms [<a href="./rfc2675" title=""IPv6 Jumbograms"">RFC-2675</a>] MAY be supported.
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<span class="h3"><a class="selflink" id="section-4.4" href="#section-4.4">4.4</a>. ICMP for the Internet Protocol Version 6 (IPv6) - <a href="./rfc2463">RFC 2463</a></span>
ICMPv6 [<a href="./rfc2463" title=""Internet Control Message Protocol (ICMPv6) for the Internet Protocol Version 6 (IPv6) Specification"">RFC-2463</a>] MUST be supported.
<span class="h3"><a class="selflink" id="section-4.5" href="#section-4.5">4.5</a>. Addressing</span>
<span class="h4"><a class="selflink" id="section-4.5.1" href="#section-4.5.1">4.5.1</a>. IP Version 6 Addressing Architecture - <a href="./rfc3513">RFC 3513</a></span>
The IPv6 Addressing Architecture [<a href="./rfc3513" title=""Internet Protocol Version 6 (IPv6) Addressing Architecture"">RFC-3513</a>] MUST be supported as
updated by [<a href="./rfc3879" title=""Deprecating Site Local Addresses"">RFC-3879</a>].
<span class="h4"><a class="selflink" id="section-4.5.2" href="#section-4.5.2">4.5.2</a>. IPv6 Stateless Address Autoconfiguration - <a href="./rfc2462">RFC 2462</a></span>
IPv6 Stateless Address Autoconfiguration is defined in [<a href="./rfc2462" title=""IPv6 Stateless Address Autoconfiguration"">RFC-2462</a>].
This specification MUST be supported for nodes that are hosts.
Static address can be supported as well.
Nodes that are routers MUST be able to generate link local addresses
as described in <a href="./rfc2462">RFC 2462</a> [<a href="./rfc2462" title=""IPv6 Stateless Address Autoconfiguration"">RFC-2462</a>].
From 2462:
The autoconfiguration process specified in this document applies
only to hosts and not routers. Since host autoconfiguration uses
information advertised by routers, routers will need to be
configured by some other means. However, it is expected that
routers will generate link-local addresses using the mechanism
described in this document. In addition, routers are expected to
successfully pass the Duplicate Address Detection procedure
described in this document on all addresses prior to assigning
them to an interface.
Duplicate Address Detection (DAD) MUST be supported.
<span class="h4"><a class="selflink" id="section-4.5.3" href="#section-4.5.3">4.5.3</a>. Privacy Extensions for Address Configuration in IPv6 - <a href="./rfc3041">RFC 3041</a></span>
Privacy Extensions for Stateless Address Autoconfiguration [<a href="./rfc3041" title=""Privacy Extensions for Stateless Address Autoconfiguration in IPv6"">RFC-3041</a>]
SHOULD be supported. It is recommended that this behavior be
configurable on a connection basis within each application when
available. It is noted that a number of applications do not work
with addresses generated with this method, while other applications
work quite well with them.
<span class="h4"><a class="selflink" id="section-4.5.4" href="#section-4.5.4">4.5.4</a>. Default Address Selection for IPv6 - <a href="./rfc3484">RFC 3484</a></span>
The rules specified in the Default Address Selection for IPv6
[<a href="./rfc3484" title=""Coexistence between Version 1, Version 2, and Version 3 of the Internet-standard Network Management Framework"">RFC-3484</a>] document MUST be implemented. It is expected that IPv6
nodes will need to deal with multiple addresses.
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<span class="h4"><a class="selflink" id="section-4.5.5" href="#section-4.5.5">4.5.5</a>. Stateful Address Autoconfiguration</span>
Stateful Address Autoconfiguration MAY be supported. DHCPv6
[<a href="./rfc3315" title=""Dynamic Host Configuration Protocol for IPv6 (DHCPv6)"">RFC-3315</a>] is the standard stateful address configuration protocol;
see <a href="#section-5.3">Section 5.3</a> for DHCPv6 support.
Nodes which do not support Stateful Address Autoconfiguration may be
unable to obtain any IPv6 addresses, aside from link-local addresses,
when it receives a router advertisement with the 'M' flag (Managed
address configuration) set and that contains no prefixes advertised
for Stateless Address Autoconfiguration (see <a href="#section-4.5.2">Section 4.5.2</a>).
Additionally, such nodes will be unable to obtain other configuration
information, such as the addresses of DNS servers when it is
connected to a link over which the node receives a router
advertisement in which the 'O' flag ("Other stateful configuration")
is set.
<span class="h3"><a class="selflink" id="section-4.6" href="#section-4.6">4.6</a>. Multicast Listener Discovery (MLD) for IPv6 - <a href="./rfc2710">RFC 2710</a></span>
Nodes that need to join multicast groups SHOULD implement MLDv2
[<a href="./rfc3810" title=""Multicast Listener Discovery Version 2 (MLDv2) for IPv6"">RFC-3810</a>]. However, if the node has applications that only need
support for Any-Source Multicast [<a href="./rfc3569" title=""An Overview of Source-Specific Multicast (SSM)"">RFC-3569</a>], the node MAY implement
MLDv1 [<a href="./rfc2710" title=""Multicast Listener Discovery (MLD) for IPv6"">RFC-2710</a>] instead. If the node has applications that need
support for Source-Specific Multicast [<a href="./rfc3569" title=""An Overview of Source-Specific Multicast (SSM)"">RFC-3569</a>, <a href="#ref-SSM-ARCH" title=""Source-Specific Multicast for IP"">SSM-ARCH</a>], the node
MUST support MLDv2 [<a href="./rfc3810" title=""Multicast Listener Discovery Version 2 (MLDv2) for IPv6"">RFC-3810</a>].
When MLD is used, the rules in the "Source Address Selection for the
Multicast Listener Discovery (MLD) Protocol" [<a href="./rfc3590" title=""Source Address Selection for the Multicast Listener Discovery (MLD) Protocol"">RFC-3590</a>] MUST be
followed.
<span class="h2"><a class="selflink" id="section-5" href="#section-5">5</a>. DNS and DHCP</span>
<span class="h3"><a class="selflink" id="section-5.1" href="#section-5.1">5.1</a>. DNS</span>
DNS is described in [<a href="./rfc1034" title=""Domain names - concepts and facilities"">RFC-1034</a>], [<a href="./rfc1035" title=""Domain names - implementation and specification"">RFC-1035</a>], [<a href="./rfc3152" title=""Delegation of IP6.ARPA"">RFC-3152</a>], [<a href="./rfc3363" title=""Representing Internet Protocol version 6 (IPv6) Addresses in the Domain Name System (DNS)"">RFC-3363</a>],
and [<a href="./rfc3596" title=""DNS Extensions to Support IP Version 6"">RFC-3596</a>]. Not all nodes will need to resolve names; those that
will never need to resolve DNS names do not need to implement
resolver functionality. However, the ability to resolve names is a
basic infrastructure capability that applications rely on and
generally needs to be supported. All nodes that need to resolve
names SHOULD implement stub-resolver [<a href="./rfc1034" title=""Domain names - concepts and facilities"">RFC-1034</a>] functionality, as in
<a href="./rfc1034#section-5.3.1">RFC 1034, Section 5.3.1</a>, with support for:
- AAAA type Resource Records [<a href="./rfc3596" title=""DNS Extensions to Support IP Version 6"">RFC-3596</a>];
- reverse addressing in ip6.arpa using PTR records [<a href="./rfc3152" title=""Delegation of IP6.ARPA"">RFC-3152</a>];
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- EDNS0 [<a href="./rfc2671" title=""Extension Mechanisms for DNS (EDNS0)"">RFC-2671</a>] to allow for DNS packet sizes larger than 512
octets.
Those nodes are RECOMMENDED to support DNS security extensions
[<a href="./rfc4033" title=""DNS Security Introduction and Requirements"">RFC-4033</a>], [<a href="./rfc4034" title=""Resource Records for the DNS Security Extensions"">RFC-4034</a>], and [<a href="./rfc4035" title=""Protocol Modifications for the DNS Security Extensions"">RFC-4035</a>].
Those nodes are NOT RECOMMENDED to support the experimental A6 and
DNAME Resource Records [<a href="./rfc3363" title=""Representing Internet Protocol version 6 (IPv6) Addresses in the Domain Name System (DNS)"">RFC-3363</a>].
<span class="h3"><a class="selflink" id="section-5.2" href="#section-5.2">5.2</a>. Dynamic Host Configuration Protocol for IPv6 (DHCPv6) - <a href="./rfc3315">RFC 3315</a></span>
<span class="h4"><a class="selflink" id="section-5.2.1" href="#section-5.2.1">5.2.1</a>. Managed Address Configuration</span>
The method by which IPv6 nodes that use DHCP for address assignment
can obtain IPv6 addresses and other configuration information upon
receipt of a Router Advertisement with the 'M' flag set is described
in <a href="./rfc2462#section-5.5.3">Section 5.5.3 of RFC 2462</a>.
In addition, in the absence of a router, those IPv6 nodes that use
DHCP for address assignment MUST initiate DHCP to obtain IPv6
addresses and other configuration information, as described in
<a href="./rfc2462#section-5.5.2">Section 5.5.2 of RFC 2462</a>. Those IPv6 nodes that do not use DHCP for
address assignment can ignore the 'M' flag in Router Advertisements.
<span class="h4"><a class="selflink" id="section-5.2.2" href="#section-5.2.2">5.2.2</a>. Other Configuration Information</span>
The method by which IPv6 nodes that use DHCP to obtain other
configuration information can obtain other configuration information
upon receipt of a Router Advertisement with the 'O' flag set is
described in <a href="./rfc2462#section-5.5.3">Section 5.5.3 of RFC 2462</a>.
Those IPv6 nodes that use DHCP to obtain other configuration
information initiate DHCP for other configuration information upon
receipt of a Router Advertisement with the 'O' flag set, as described
in <a href="./rfc2462#section-5.5.3">Section 5.5.3 of RFC 2462</a>. Those IPv6 nodes that do not use DHCP
for other configuration information can ignore the 'O' flag in Router
Advertisements.
An IPv6 node can use the subset of DHCP (described in [<a href="./rfc3736" title=""Stateless Dynamic Host Configuration Protocol (DHCP) Service for IPv6"">RFC-3736</a>]) to
obtain other configuration information.
<span class="h4"><a class="selflink" id="section-5.3.3" href="#section-5.3.3">5.3.3</a>. Use of Router Advertisements in Managed Environments</span>
Nodes using the Dynamic Host Configuration Protocol for IPv6 (DHCPv6)
are expected to determine their default router information and on-
link prefix information from received Router Advertisements.
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<span class="h2"><a class="selflink" id="section-6" href="#section-6">6</a>. IPv4 Support and Transition</span>
IPv6 nodes MAY support IPv4.
<span class="h3"><a class="selflink" id="section-6.1" href="#section-6.1">6.1</a>. Transition Mechanisms</span>
<span class="h4"><a class="selflink" id="section-6.1.1" href="#section-6.1.1">6.1.1</a>. Transition Mechanisms for IPv6 Hosts and Routers - <a href="./rfc2893">RFC 2893</a></span>
If an IPv6 node implements dual stack and tunneling, then [<a href="./rfc4213" title=""Basic Transition Mechanisms for IPv6 Hosts and Routers"">RFC-4213</a>]
MUST be supported.
<span class="h2"><a class="selflink" id="section-7" href="#section-7">7</a>. Mobile IP</span>
The Mobile IPv6 [<a href="./rfc3775" title=""Mobility Support in IPv6"">RFC-3775</a>] specification defines requirements for the
following types of nodes:
- mobile nodes
- correspondent nodes with support for route optimization
- home agents
- all IPv6 routers
Hosts MAY support mobile node functionality described in <a href="./rfc3775#section-8.5">Section 8.5
of [RFC-3775]</a>, including support of generic packet tunneling [RFC-
2473] and secure home agent communications [<a href="./rfc3776" title=""Using IPsec to Protect Mobile IPv6 Signaling Between Mobile Nodes and Home Agents"">RFC-3776</a>].
Hosts SHOULD support route optimization requirements for
correspondent nodes described in <a href="./rfc3775#section-8.2">Section 8.2 of [RFC-3775]</a>.
Routers SHOULD support the generic mobility-related requirements for
all IPv6 routers described in <a href="./rfc3775#section-8.3">Section 8.3 of [RFC-3775]</a>. Routers MAY
support the home agent functionality described in <a href="./rfc3775#section-8.4">Section 8.4 of
[RFC-3775]</a>, including support of [<a href="./rfc2473" title=""Generic Packet Tunneling in IPv6 Specification"">RFC-2473</a>] and [<a href="./rfc3776" title=""Using IPsec to Protect Mobile IPv6 Signaling Between Mobile Nodes and Home Agents"">RFC-3776</a>].
<span class="h2"><a class="selflink" id="section-8" href="#section-8">8</a>. Security</span>
This section describes the specification of IPsec for the IPv6 node.
<span class="h3"><a class="selflink" id="section-8.1" href="#section-8.1">8.1</a>. Basic Architecture</span>
Security Architecture for the Internet Protocol [<a href="./rfc4301" title=""Security Architecture for the Internet Protocol"">RFC-4301</a>] MUST be
supported.
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<span class="h3"><a class="selflink" id="section-8.2" href="#section-8.2">8.2</a>. Security Protocols</span>
ESP [<a href="./rfc4303" title=""IP Encapsulating Security Payload (ESP)"">RFC-4303</a>] MUST be supported. AH [<a href="./rfc4302" title=""IP Authentication Header"">RFC-4302</a>] MUST be supported.
<span class="h3"><a class="selflink" id="section-8.3" href="#section-8.3">8.3</a>. Transforms and Algorithms</span>
Current IPsec RFCs specify the support of transforms and algorithms
for use with AH and ESP: NULL encryption, DES-CBC, HMAC-SHA-1-96, and
HMAC-MD5-96. However, "Cryptographic Algorithm Implementation
Requirements For ESP And AH" [<a href="./rfc4305" title=""Cryptographic Algorithm Implementation Requirements for Encapsulating Security Payload (ESP) and Authentication Header (AH)"">RFC-4305</a>] contains the current set of
mandatory to implement algorithms for ESP and AH. It also specifies
algorithms that should be implemented because they are likely to be
promoted to mandatory at some future time. IPv6 nodes SHOULD conform
to the requirements in [<a href="./rfc4305" title=""Cryptographic Algorithm Implementation Requirements for Encapsulating Security Payload (ESP) and Authentication Header (AH)"">RFC-4305</a>], as well as the requirements
specified below.
Since ESP encryption and authentication are both optional, support
for the NULL encryption algorithm [<a href="./rfc2410" title=""The NULL Encryption Algorithm and Its Use With IPsec"">RFC-2410</a>] and the NULL
authentication algorithm [<a href="./rfc4303" title=""IP Encapsulating Security Payload (ESP)"">RFC-4303</a>] MUST be provided to maintain
consistency with the way these services are negotiated. However,
while authentication and encryption can each be NULL, they MUST NOT
both be NULL. The NULL encryption algorithm is also useful for
debugging.
The DES-CBC encryption algorithm [<a href="./rfc2405" title=""The ESP DES-CBC Cipher Algorithm With Explicit IV"">RFC-2405</a>] SHOULD NOT be supported
within ESP. Security issues related to the use of DES are discussed
in [<a href="#ref-DESDIFF" title=""Differential Cryptanalysis of DES-like cryptosystems"">DESDIFF</a>], [<a href="#ref-DESINT" title=""An Issue With DES-CBC When Used Without Strong Integrity"">DESINT</a>], and [<a href="#ref-DESCRACK" title="Sebastapol">DESCRACK</a>]. DES-CBC is still listed as
required by the existing IPsec RFCs, but updates to these RFCs will
be published in the near future. DES provides 56 bits of protection,
which is no longer considered sufficient.
The use of the HMAC-SHA-1-96 algorithm [<a href="./rfc2404" title=""The Use of HMAC-SHA-1-96 within ESP and AH"">RFC-2404</a>] within AH and ESP
MUST be supported. The use of the HMAC-MD5-96 algorithm [<a href="./rfc2403" title=""The Use of HMAC-MD5-96 within ESP and AH"">RFC-2403</a>]
within AH and ESP MAY also be supported.
The 3DES-CBC encryption algorithm [<a href="./rfc2451" title=""The ESP CBC-Mode Cipher Algorithms"">RFC-2451</a>] does not suffer from the
same security issues as DES-CBC, and the 3DES-CBC algorithm within
ESP MUST be supported to ensure interoperability.
The AES-128-CBC algorithm [<a href="./rfc3602" title=""The AES-CBC Cipher Algorithm and Its Use with IPsec"">RFC-3602</a>] MUST also be supported within
ESP. AES-128 is expected to be a widely available, secure, and
efficient algorithm. While AES-128-CBC is not required by the
current IPsec RFCs, it is expected to become required in the future.
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<span class="h3"><a class="selflink" id="section-8.4" href="#section-8.4">8.4</a>. Key Management Methods</span>
An implementation MUST support the manual configuration of the
security key and SPI. The SPI configuration is needed in order to
delineate between multiple keys.
Key management SHOULD be supported. Examples of key management
systems include IKEv2 [<a href="./rfc4306" title=""Internet Key Exchange (IKEv2) Protocol"">RFC-4306</a>] and Kerberos; S/MIME and TLS include
key management functions.
Where key refresh, anti-replay features of AH and ESP, or on-demand
creation of Security Associations (SAs) is required, automated keying
MUST be supported.
Key management methods for multicast traffic are also being worked on
by the MSEC WG.
<span class="h2"><a class="selflink" id="section-9" href="#section-9">9</a>. Router-Specific Functionality</span>
This section defines general host considerations for IPv6 nodes that
act as routers. Currently, this section does not discuss routing-
specific requirements.
<span class="h3"><a class="selflink" id="section-9.1" href="#section-9.1">9.1</a>. General</span>
<span class="h4"><a class="selflink" id="section-9.1.1" href="#section-9.1.1">9.1.1</a>. IPv6 Router Alert Option - <a href="./rfc2711">RFC 2711</a></span>
The IPv6 Router Alert Option [<a href="./rfc2711" title=""IPv6 Router Alert Option"">RFC-2711</a>] is an optional IPv6 Hop-by-
Hop Header that is used in conjunction with some protocols (e.g.,
RSVP [<a href="./rfc2205" title=""Resource ReSerVation Protocol (RSVP) -- Version 1 Functional Specification"">RFC-2205</a>] or MLD [<a href="./rfc2710" title=""Multicast Listener Discovery (MLD) for IPv6"">RFC-2710</a>]). The Router Alert option will
need to be implemented whenever protocols that mandate its usage are
implemented. See <a href="#section-4.6">Section 4.6</a>.
<span class="h4"><a class="selflink" id="section-9.1.2" href="#section-9.1.2">9.1.2</a>. Neighbor Discovery for IPv6 - <a href="./rfc2461">RFC 2461</a></span>
Sending Router Advertisements and processing Router Solicitation MUST
be supported.
<span class="h2"><a class="selflink" id="section-10" href="#section-10">10</a>. Network Management</span>
Network Management MAY be supported by IPv6 nodes. However, for IPv6
nodes that are embedded devices, network management may be the only
possible way of controlling these nodes.
<span class="h3"><a class="selflink" id="section-10.1" href="#section-10.1">10.1</a>. Management Information Base Modules (MIBs)</span>
The following two MIBs SHOULD be supported by nodes that support an
SNMP agent.
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<span class="h4"><a class="selflink" id="section-10.1.1" href="#section-10.1.1">10.1.1</a>. IP Forwarding Table MIB</span>
IP Forwarding Table MIB [<a href="./rfc4292" title=""IP Forwarding Table MIB"">RFC-4292</a>] SHOULD be supported by nodes that
support an SNMP agent.
<span class="h4"><a class="selflink" id="section-10.1.2" href="#section-10.1.2">10.1.2</a>. Management Information Base for the Internet Protocol (IP)</span>
IP MIB [<a href="./rfc4293" title=""Management Information Base for the Internet Protocol (IP)"">RFC-4293</a>] SHOULD be supported by nodes that support an SNMP
agent.
<span class="h2"><a class="selflink" id="section-11" href="#section-11">11</a>. Security Considerations</span>
This document does not affect the security of the Internet, but
implementations of IPv6 are expected to support a minimum set of
security features to ensure security on the Internet. "IP Security
Document Roadmap" [<a href="./rfc2411" title=""IP Security Document Roadmap"">RFC-2411</a>] is important for everyone to read.
The security considerations in <a href="./rfc2460">RFC 2460</a> state the following:
The security features of IPv6 are described in the Security
Architecture for the Internet Protocol [<a href="./rfc2401">RFC-2401</a>].
<a href="./rfc2401">RFC 2401</a> has been obsoleted by <a href="./rfc4301">RFC 4301</a>, therefore refer <a href="./rfc4301">RFC 4301</a> for
the security features of IPv6.
<span class="h2"><a class="selflink" id="section-12" href="#section-12">12</a>. References</span>
<span class="h3"><a class="selflink" id="section-12.1" href="#section-12.1">12.1</a>. Normative References</span>
[<a id="ref-RFC-1035">RFC-1035</a>] Mockapetris, P., "Domain names - implementation and
specification", STD 13, <a href="./rfc1035">RFC 1035</a>, November 1987.
[<a id="ref-RFC-1981">RFC-1981</a>] McCann, J., Deering, S., and J. Mogul, "Path MTU
Discovery for IP version 6", <a href="./rfc1981">RFC 1981</a>, August 1996.
[<a id="ref-RFC-2104">RFC-2104</a>] Krawczyk, H., Bellare, M., and R. Canetti, "HMAC:
Keyed-Hashing for Message Authentication", <a href="./rfc2104">RFC 2104</a>,
February 1997.
[<a id="ref-RFC-2119">RFC-2119</a>] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", <a href="https://www.rfc-editor.org/bcp/bcp14">BCP 14</a>, <a href="./rfc2119">RFC 2119</a>, March 1997.
[<a id="ref-RFC-2403">RFC-2403</a>] Madson, C. and R. Glenn, "The Use of HMAC-MD5-96
within ESP and AH", <a href="./rfc2403">RFC 2403</a>, November 1998.
[<a id="ref-RFC-2404">RFC-2404</a>] Madson, C. and R. Glenn, "The Use of HMAC-SHA-1-96
within ESP and AH", <a href="./rfc2404">RFC 2404</a>, November 1998.
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[<a id="ref-RFC-2405">RFC-2405</a>] Madson, C. and N. Doraswamy, "The ESP DES-CBC Cipher
Algorithm With Explicit IV", <a href="./rfc2405">RFC 2405</a>, November 1998.
[<a id="ref-RFC-2410">RFC-2410</a>] Glenn, R. and S. Kent, "The NULL Encryption Algorithm
and Its Use With IPsec", <a href="./rfc2410">RFC 2410</a>, November 1998.
[<a id="ref-RFC-2411">RFC-2411</a>] Thayer, R., Doraswamy, N., and R. Glenn, "IP Security
Document Roadmap", <a href="./rfc2411">RFC 2411</a>, November 1998.
[<a id="ref-RFC-2451">RFC-2451</a>] Pereira, R. and R. Adams, "The ESP CBC-Mode Cipher
Algorithms", <a href="./rfc2451">RFC 2451</a>, November 1998.
[<a id="ref-RFC-2460">RFC-2460</a>] Deering, S. and R. Hinden, "Internet Protocol, Version
6 (IPv6) Specification", <a href="./rfc2460">RFC 2460</a>, December 1998.
[<a id="ref-RFC-2461">RFC-2461</a>] Narten, T., Nordmark, E., and W. Simpson, "Neighbor
Discovery for IP Version 6 (IPv6)", <a href="./rfc2461">RFC 2461</a>, December
1998.
[<a id="ref-RFC-2462">RFC-2462</a>] Thomson, S. and T. Narten, "IPv6 Stateless Address
Autoconfiguration", <a href="./rfc2462">RFC 2462</a>, December 1998.
[<a id="ref-RFC-2463">RFC-2463</a>] Conta, A. and S. Deering, "Internet Control Message
Protocol (ICMPv6) for the Internet Protocol Version 6
(IPv6) Specification", <a href="./rfc2463">RFC 2463</a>, December 1998.
[<a id="ref-RFC-2472">RFC-2472</a>] Haskin, D. and E. Allen, "IP Version 6 over PPP", <a href="./rfc2472">RFC</a>
<a href="./rfc2472">2472</a>, December 1998.
[<a id="ref-RFC-2473">RFC-2473</a>] Conta, A. and S. Deering, "Generic Packet Tunneling in
IPv6 Specification", <a href="./rfc2473">RFC 2473</a>, December 1998.
[<a id="ref-RFC-2671">RFC-2671</a>] Vixie, P., "Extension Mechanisms for DNS (EDNS0)", <a href="./rfc2671">RFC</a>
<a href="./rfc2671">2671</a>, August 1999.
[<a id="ref-RFC-2710">RFC-2710</a>] Deering, S., Fenner, W., and B. Haberman, "Multicast
Listener Discovery (MLD) for IPv6", <a href="./rfc2710">RFC 2710</a>, October
1999.
[<a id="ref-RFC-2711">RFC-2711</a>] Partridge, C. and A. Jackson, "IPv6 Router Alert
Option", <a href="./rfc2711">RFC 2711</a>, October 1999.
[<a id="ref-RFC-3041">RFC-3041</a>] Narten, T. and R. Draves, "Privacy Extensions for
Stateless Address Autoconfiguration in IPv6", <a href="./rfc3041">RFC</a>
<a href="./rfc3041">3041</a>, January 2001.
[<a id="ref-RFC-3152">RFC-3152</a>] Bush, R., "Delegation of IP6.ARPA", <a href="https://www.rfc-editor.org/bcp/bcp49">BCP 49</a>, <a href="./rfc3152">RFC 3152</a>,
August 2001.
<span class="grey">Loughney Informational [Page 14]</span></pre>
<hr class='noprint'/><!--NewPage--><pre class='newpage'><span id="page-15" ></span>
<span class="grey"><a href="./rfc4294">RFC 4294</a> IPv6 Node Requirements April 2006</span>
[<a id="ref-RFC-3315">RFC-3315</a>] Droms, R., Bound, J., Volz, B., Lemon, T., Perkins,
C., and M. Carney, "Dynamic Host Configuration
Protocol for IPv6 (DHCPv6)", <a href="./rfc3315">RFC 3315</a>, July 2003.
[<a id="ref-RFC-3363">RFC-3363</a>] Bush, R., Durand, A., Fink, B., Gudmundsson, O., and
T. Hain, "Representing Internet Protocol version 6
(IPv6) Addresses in the Domain Name System (DNS)", <a href="./rfc3363">RFC</a>
<a href="./rfc3363">3363</a>, August 2002.
[<a id="ref-RFC-3484">RFC-3484</a>] Frye, R., Levi, D., Routhier, S., and B. Wijnen,
"Coexistence between Version 1, Version 2, and Version
3 of the Internet-standard Network Management
Framework", <a href="https://www.rfc-editor.org/bcp/bcp74">BCP 74</a>, <a href="./rfc3584">RFC 3584</a>, August 2003.
[<a id="ref-RFC-3513">RFC-3513</a>] Hinden, R. and S. Deering, "Internet Protocol Version
6 (IPv6) Addressing Architecture", <a href="./rfc3513">RFC 3513</a>, April
2003.
[<a id="ref-RFC-3590">RFC-3590</a>] Haberman, B., "Source Address Selection for the
Multicast Listener Discovery (MLD) Protocol", <a href="./rfc3590">RFC</a>
<a href="./rfc3590">3590</a>, September 2003.
[<a id="ref-RFC-3596">RFC-3596</a>] Thomson, S., Huitema, C., Ksinant, V., and M. Souissi,
"DNS Extensions to Support IP Version 6", <a href="./rfc3596">RFC 3596</a>,
October 2003.
[<a id="ref-RFC-3602">RFC-3602</a>] Frankel, S., Glenn, R., and S. Kelly, "The AES-CBC
Cipher Algorithm and Its Use with IPsec", <a href="./rfc3602">RFC 3602</a>,
September 2003.
[<a id="ref-RFC-3775">RFC-3775</a>] Johnson, D., Perkins, C., and J. Arkko, "Mobility
Support in IPv6", <a href="./rfc3775">RFC 3775</a>, June 2004.
[<a id="ref-RFC-3776">RFC-3776</a>] Arkko, J., Devarapalli, V., and F. Dupont, "Using
IPsec to Protect Mobile IPv6 Signaling Between Mobile
Nodes and Home Agents", <a href="./rfc3776">RFC 3776</a>, June 2004.
[<a id="ref-RFC-3810">RFC-3810</a>] Vida, R. and L. Costa, "Multicast Listener Discovery
Version 2 (MLDv2) for IPv6", <a href="./rfc3810">RFC 3810</a>, June 2004.
[<a id="ref-RFC-3879">RFC-3879</a>] Huitema, C. and B. Carpenter, "Deprecating Site Local
Addresses", <a href="./rfc3879">RFC 3879</a>, September 2004.
[<a id="ref-RFC-4292">RFC-4292</a>] Haberman, B., "IP Forwarding Table MIB", <a href="./rfc4292">RFC 4292</a>,
April 2006.
[<a id="ref-RFC-4293">RFC-4293</a>] Routhier, S., Ed., "Management Information Base for
the Internet Protocol (IP)", <a href="./rfc4293">RFC 4293</a>, April 2006.
<span class="grey">Loughney Informational [Page 15]</span></pre>
<hr class='noprint'/><!--NewPage--><pre class='newpage'><span id="page-16" ></span>
<span class="grey"><a href="./rfc4294">RFC 4294</a> IPv6 Node Requirements April 2006</span>
[<a id="ref-RFC-4301">RFC-4301</a>] Kent, S. and R. Atkinson, "Security Architecture for
the Internet Protocol", <a href="./rfc4301">RFC 4301</a>, December 2005.
[<a id="ref-RFC-4302">RFC-4302</a>] Kent, S., "IP Authentication Header", <a href="./rfc4302">RFC 4302</a>,
December 2005.
[<a id="ref-RFC-4303">RFC-4303</a>] Kent, S., "IP Encapsulating Security Payload (ESP)",
<a href="./rfc4303">RFC 4303</a>, December 2005.
[<a id="ref-RFC-4305">RFC-4305</a>] Eastlake 3rd, D., "Cryptographic Algorithm
Implementation Requirements for Encapsulating Security
Payload (ESP) and Authentication Header (AH)", <a href="./rfc4305">RFC</a>
<a href="./rfc4305">4305</a>, December 2005.
<span class="h3"><a class="selflink" id="section-12.2" href="#section-12.2">12.2</a>. Informative References</span>
[<a id="ref-DESDIFF">DESDIFF</a>] Biham, E., Shamir, A., "Differential Cryptanalysis of
DES-like cryptosystems", Journal of Cryptology Vol 4,
Jan 1991.
[<a id="ref-DESCRACK">DESCRACK</a>] Cracking DES, O'Reilly & Associates, Sebastapol, CA
2000.
[<a id="ref-DESINT">DESINT</a>] Bellovin, S., "An Issue With DES-CBC When Used Without
Strong Integrity", Proceedings of the 32nd IETF,
Danvers, MA, April 1995.
[<a id="ref-IPv6-RH">IPv6-RH</a>] P. Savola, "Security of IPv6 Routing Header and Home
Address Options", Work in Progress.
[<a id="ref-RFC-793">RFC-793</a>] Postel, J., "Transmission Control Protocol", STD 7,
<a href="./rfc793">RFC 793</a>, September 1981.
[<a id="ref-RFC-1034">RFC-1034</a>] Mockapetris, P., "Domain names - concepts and
facilities", STD 13, <a href="./rfc1034">RFC 1034</a>, November 1987.
[<a id="ref-RFC-2205">RFC-2205</a>] Braden, R., Zhang, L., Berson, S., Herzog, S., and S.
Jamin, "Resource ReSerVation Protocol (RSVP) --
Version 1 Functional Specification", <a href="./rfc2205">RFC 2205</a>,
September 1997.
[<a id="ref-RFC-2464">RFC-2464</a>] Crawford, M., "Transmission of IPv6 Packets over
Ethernet Networks", <a href="./rfc2464">RFC 2464</a>, December 1998.
[<a id="ref-RFC-2492">RFC-2492</a>] Armitage, G., Schulter, P., and M. Jork, "IPv6 over
ATM Networks", <a href="./rfc2492">RFC 2492</a>, January 1999.
<span class="grey">Loughney Informational [Page 16]</span></pre>
<hr class='noprint'/><!--NewPage--><pre class='newpage'><span id="page-17" ></span>
<span class="grey"><a href="./rfc4294">RFC 4294</a> IPv6 Node Requirements April 2006</span>
[<a id="ref-RFC-2675">RFC-2675</a>] Borman, D., Deering, S., and R. Hinden, "IPv6
Jumbograms", <a href="./rfc2675">RFC 2675</a>, August 1999.
[<a id="ref-RFC-4213">RFC-4213</a>] Nordmark, E. and R. Gilligan, "Basic Transition
Mechanisms for IPv6 Hosts and Routers", <a href="./rfc4213">RFC 4213</a>,
October 2005.
[<a id="ref-RFC-3569">RFC-3569</a>] Bhattacharyya, S., "An Overview of Source-Specific
Multicast (SSM)", <a href="./rfc3569">RFC 3569</a>, July 2003.
[<a id="ref-RFC-3736">RFC-3736</a>] Droms, R., "Stateless Dynamic Host Configuration
Protocol (DHCP) Service for IPv6", <a href="./rfc3736">RFC 3736</a>, April
2004.
[<a id="ref-RFC-4001">RFC-4001</a>] Daniele, M., Haberman, B., Routhier, S., and J.
Schoenwaelder, "Textual Conventions for Internet
Network Addresses", <a href="./rfc4001">RFC 4001</a>, February 2005.
[<a id="ref-RFC-4033">RFC-4033</a>] Arends, R., Austein, R., Larson, M., Massey, D., and
S. Rose, "DNS Security Introduction and Requirements",
<a href="./rfc4033">RFC 4033</a>, March 2005.
[<a id="ref-RFC-4034">RFC-4034</a>] Arends, R., Austein, R., Larson, M., Massey, D., and
S. Rose, "Resource Records for the DNS Security
Extensions", <a href="./rfc4034">RFC 4034</a>, March 2005.
[<a id="ref-RFC-4035">RFC-4035</a>] Arends, R., Austein, R., Larson, M., Massey, D., and
S. Rose, "Protocol Modifications for the DNS Security
Extensions", <a href="./rfc4035">RFC 4035</a>, March 2005.
[<a id="ref-RFC-4306">RFC-4306</a>] Kaufman, C., Ed., "Internet Key Exchange (IKEv2)
Protocol", <a href="./rfc4306">RFC 4306</a>, December 2005.
[<a id="ref-SSM-ARCH">SSM-ARCH</a>] H. Holbrook, B. Cain, "Source-Specific Multicast for
IP", Work in Progress.
<span class="grey">Loughney Informational [Page 17]</span></pre>
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<span class="h2"><a class="selflink" id="section-13" href="#section-13">13</a>. Authors and Acknowledgements</span>
This document was written by the IPv6 Node Requirements design team:
Jari Arkko
[jari.arkko@ericsson.com]
Marc Blanchet
[marc.blanchet@viagenie.qc.ca]
Samita Chakrabarti
[samita.chakrabarti@eng.sun.com]
Alain Durand
[alain.durand@sun.com]
Gerard Gastaud
[gerard.gastaud@alcatel.fr]
Jun-ichiro itojun Hagino
[itojun@iijlab.net]
Atsushi Inoue
[inoue@isl.rdc.toshiba.co.jp]
Masahiro Ishiyama
[masahiro@isl.rdc.toshiba.co.jp]
John Loughney
[john.loughney@nokia.com]
Rajiv Raghunarayan
[raraghun@cisco.com]
Shoichi Sakane
[shouichi.sakane@jp.yokogawa.com]
Dave Thaler
[dthaler@windows.microsoft.com]
Juha Wiljakka
[juha.wiljakka@Nokia.com]
The authors would like to thank Ran Atkinson, Jim Bound, Brian
Carpenter, Ralph Droms, Christian Huitema, Adam Machalek, Thomas
Narten, Juha Ollila, and Pekka Savola for their comments.
<span class="grey">Loughney Informational [Page 18]</span></pre>
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<span class="grey"><a href="./rfc4294">RFC 4294</a> IPv6 Node Requirements April 2006</span>
Editor's Contact Information
Comments or questions regarding this document should be sent to the
IPv6 Working Group mailing list (ipv6@ietf.org) or to:
John Loughney
Nokia Research Center
Itamerenkatu 11-13
00180 Helsinki
Finland
Phone: +358 50 483 6242
EMail: John.Loughney@Nokia.com
<span class="grey">Loughney Informational [Page 19]</span></pre>
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<span class="grey"><a href="./rfc4294">RFC 4294</a> IPv6 Node Requirements April 2006</span>
Full Copyright Statement
Copyright (C) The Internet Society (2006).
This document is subject to the rights, licenses and restrictions
contained in <a href="https://www.rfc-editor.org/bcp/bcp78">BCP 78</a>, and except as set forth therein, the authors
retain all their rights.
This document and the information contained herein are provided on an
"AS IS" basis and THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS
OR IS SPONSORED BY (IF ANY), THE INTERNET SOCIETY AND THE INTERNET
ENGINEERING TASK FORCE DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED,
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Copies of IPR disclosures made to the IETF Secretariat and any
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The IETF invites any interested party to bring to its attention any
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Acknowledgement
Funding for the RFC Editor function is provided by the IETF
Administrative Support Activity (IASA).
Loughney Informational [Page 20]
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