Mobile Ad hoc Networks I. Chakeres
Internet-Draft Motorola
Intended status: Informational April 15, 2007
Expires: October 17, 2007
MANET IANA Needs
draft-ietf-manet-iana-01.txt
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Copyright (C) The IETF Trust (2007).
Abstract
This document enumerates IANA assignments for immediate use in MANET.
Specifically, a UDP port, two link-local multicast group addresses
(IPv4 & IPv6), and two site-local multicast group addresses (IPv4 &
IPv6).
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3
2. UDP Port for MANET Protocols . . . . . . . . . . . . . . . . . 3
3. Link-local Multicast Group for MANET Routers . . . . . . . . . 3
4. Site-local Scoped Multicast Groups for MANET Routers . . . . . 4
4.1. Site-local Multicast Group for IPv4 . . . . . . . . . . . . 4
4.2. Site-local Scoped Multicast Group for IPv6 . . . . . . . . 5
5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . . 5
6. Security Considerations . . . . . . . . . . . . . . . . . . . . 5
7. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 5
8. References . . . . . . . . . . . . . . . . . . . . . . . . . . 5
8.1. Normative References . . . . . . . . . . . . . . . . . . . 5
8.2. Informative References . . . . . . . . . . . . . . . . . . 6
Author's Address . . . . . . . . . . . . . . . . . . . . . . . . . 6
Intellectual Property and Copyright Statements . . . . . . . . . . 7
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1. Introduction
This document enumerates a port and several scoped multicast address
assignments for MANET protocols.
2. UDP Port for MANET Protocols
To aggregate MANET routing protocol traffic it must be sent to the
same IP destination address and the same port. Therefore, all
interoperable MANET routing protocol traffic should be sent to the
same UDP port. The title of this UDP port is "MANET". In order to
be interoperable all packets sent to this port MUST conform to the
packetbb specification [I-D.ietf-manet-packetbb].
UDP Port Assignment
+-------+-------+
| Name | Value |
+-------+-------+
| MANET | TBD1 |
+-------+-------+
Table 1
3. Link-local Multicast Group for MANET Routers
MANET protocols need a link-local multicast address [RFC4291] to
disseminate information.
The name of the multicast address to reach link-local (LL) MANET
routers is "LL MANET Routers". MANET routers subscribe to this LL
scoped multicast address and use it for LL transmissions of routing
protocol packets.
For IPv4, a statically assigned, link-local scope multicast address
is used. The address for LL MANET Routers is 224.0.0.TBD2 to appear
in the [IANAv4Multicast] registry.
For IPv6, a statically assigned, link-local scope multicast address
is used. The address for LL MANET Routers is FF02:0:0:0:0:0:0:TBD3
to appear in the [IANAv6Multicast] registry.
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Link-local multicast address assignment
+------------------+--------------+-----------------------+
| Name | IPv4 | IPv6 |
+------------------+--------------+-----------------------+
| LL MANET Routers | 224.0.0.TBD2 | FF02:0:0:0:0:0:0:TBD3 |
+------------------+--------------+-----------------------+
Table 2
4. Site-local Scoped Multicast Groups for MANET Routers
MANET protocols need a scoped multicast address [RFC4291] to
disseminate information more widely, greater than LL. This section
names the multicast address, defines the scope, and clarifies router
behavior.
The name of the multicast address to reach the MANET routers is
"MANET Routers". MANET routers subscribe to these site-local scoped
multicast addresses.
Site-local multicast address assignment
+---------------+------------------------+-----------------------+
| Name | IPv4 | IPv6 |
+---------------+------------------------+-----------------------+
| MANET Routers | 239.255.255.(255-TBD4) | FF05:0:0:0:0:0:0:TBD3 |
+---------------+------------------------+-----------------------+
Table 3
MANET routers that forward these scoped multicast addresses must use
additional criteria as specified in [RFC2365] and [RFC4007].
4.1. Site-local Multicast Group for IPv4
For IPv4, statically assigned, scope-relative multicast address (as
defined by [RFC2365], Section 9) are used. The offset for the scope
relative address for scoped MANET Routers is TBD4 to appear in
[IANAv4Multicast] registry.
Different scopes are defined by [RFC2365]. The IPv4 Local Scope
(239.255.0.0/16) is the minimal enclosing scope for administratively
scoped multicast and not further divisible -- its exact extent is
site dependent.
For the IPv4 Local Scope, applying the rules of [RFC2365] and using
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the assigned offset of TDB4, the multicast address is therefore
239.255.255.(255-TBD4).
4.2. Site-local Scoped Multicast Group for IPv6
IPv6 has different address ranges for different multicast scopes that
are implemented as a set of address prefixes for the different
address ranges ([RFC4291]). A permanently assigned multicast address
is used for site-local scoped MANET Routers multicast communication.
See [RFC4291] and the [IANAv6Multicast] registry for IPv6 multicast
assignments.
The permanent IPv6 multicast address for MANET Routers/IPv6 is
FF05:0:0:0:0:0:0:TBD3.
5. IANA Considerations
A summary of the decided IANA assignments will appear here.
6. Security Considerations
There are no security considerations associated with this document.
7. Acknowledgements
Fred Templin and Bill Fenner provided valuable input to this
document.
8. References
8.1. Normative References
[RFC2365] Meyer, D., "Administratively Scoped IP Multicast", BCP 23,
RFC 2365, July 1998.
[RFC4007] Deering, S., Haberman, B., Jinmei, T., Nordmark, E., and
B. Zill, "IPv6 Scoped Address Architecture", RFC 4007,
March 2005.
[RFC4291] Hinden, R. and S. Deering, "IP Version 6 Addressing
Architecture", RFC 4291, February 2006.
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8.2. Informative References
[I-D.ietf-manet-packetbb]
Clausen, T., "Generalized MANET Packet/Message Format",
draft-ietf-manet-packetbb-03 (work in progress),
January 2007.
[IANAv4Multicast]
"IPv4 Multicast Address Assignments", <http://http://
www.iana.org/assignments/multicast-addresses>.
[IANAv6Multicast]
"IPv6 Multicast Address Assignments", <http://http://
www.iana.org/assignments/ipv6-multicast-addresses>.
Author's Address
Ian D Chakeres
Motorola
Bangalore
India
Email: ian.chakeres@gmail.com
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