< draft-ietf-ipngwg-addr-arch-v2-05.txt   draft-ietf-ipngwg-addr-arch-v2-06.txt >
INTERNET-DRAFT R. Hinden, Ipsilon Networks INTERNET-DRAFT R. Hinden, Nokia
November 10, 1997 S. Deering, Cisco Systems January 22, 1998 S. Deering, Cisco Systems
IP Version 6 Addressing Architecture IP Version 6 Addressing Architecture
<draft-ietf-ipngwg-addr-arch-v2-05.txt> <draft-ietf-ipngwg-addr-arch-v2-06.txt>
Status of this Memo Status of this Memo
This document is an Internet-Draft. Internet-Drafts are working This document is an Internet-Draft. Internet-Drafts are working
documents of the Internet Engineering Task Force (IETF), its areas, documents of the Internet Engineering Task Force (IETF), its areas,
and its working groups. Note that other groups may also distribute and its working groups. Note that other groups may also distribute
working documents as Internet-Drafts. working documents as Internet-Drafts.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
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.''
To learn the current status of any Internet-Draft, please check the To learn the current status of any Internet-Draft, please check the
``1id-abstracts.txt'' listing contained in the Internet- Drafts ``1id-abstracts.txt'' listing contained in the Internet- Drafts
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Rim). Rim).
This Internet Draft expires May 10, 1998. This Internet Draft expires July 22, 1998.
Abstract Abstract
This specification defines the addressing architecture of the IP This specification defines the addressing architecture of the IP
Version 6 protocol [IPV6]. The document includes the IPv6 addressing Version 6 protocol [IPV6]. The document includes the IPv6 addressing
model, text representations of IPv6 addresses, definition of IPv6 model, text representations of IPv6 addresses, definition of IPv6
unicast addresses, anycast addresses, and multicast addresses, and an unicast addresses, anycast addresses, and multicast addresses, and an
IPv6 node's required addresses. IPv6 node's required addresses.
Table of Contents Table of Contents
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The global aggregatable global unicast address is defined in [AGGR]. The global aggregatable global unicast address is defined in [AGGR].
This address format is designed to support both the current provider This address format is designed to support both the current provider
based aggregation and a new type of aggregation called exchanges. based aggregation and a new type of aggregation called exchanges.
The combination will allow efficient routing aggregation for both The combination will allow efficient routing aggregation for both
sites which connect directly to providers and who connect to sites which connect directly to providers and who connect to
exchanges. Sites will have the choice to connect to either type of exchanges. Sites will have the choice to connect to either type of
aggregation point. aggregation point.
The IPv6 aggregatable global unicast address format is as follows: The IPv6 aggregatable global unicast address format is as follows:
| 3 | 13 | 32 | 16 | 64 bits | | 3| 13 | 8 | 24 | 16 | 64 bits |
+---+-----+-----------+--------+--------------------------------+ +--+-----+---+--------+--------+--------------------------------+
|FP | TLA | NLA ID | SLA ID | Interface ID | |FP| TLA |RES| NLA | SLA | Interface ID |
| | ID | | | | | | ID | | ID | ID | |
+---+-----+-----------+--------+--------------------------------+ +--+-----+---+--------+--------+--------------------------------+
Where Where
001 Format Prefix (3 bit) for Aggregatable Global 001 Format Prefix (3 bit) for Aggregatable Global
Unicast Addresses Unicast Addresses
TLA ID Top-Level Aggregation Identifier TLA ID Top-Level Aggregation Identifier
RES Reserved for future use
NLA ID Next-Level Aggregation Identifier NLA ID Next-Level Aggregation Identifier
SLA ID Site-Level Aggregation Identifier SLA ID Site-Level Aggregation Identifier
INTERFACE ID Interface Identifier INTERFACE ID Interface Identifier
The contents, field sizes, and assignment rules are defined in The contents, field sizes, and assignment rules are defined in
[AGGR]. [AGGR].
2.5.8 Local-Use IPv6 Unicast Addresses 2.5.8 Local-Use IPv6 Unicast Addresses
There are two types of local-use unicast addresses defined. These There are two types of local-use unicast addresses defined. These
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- Minor text clarifications and improvements. - Minor text clarifications and improvements.
REFERENCES REFERENCES
[ABNF] Crocker, D., P. Overell, "Augmented BNF for Syntax [ABNF] Crocker, D., P. Overell, "Augmented BNF for Syntax
Specifications: ABNF", Internet Draft, <draft-ietf-drums- Specifications: ABNF", Internet Draft, <draft-ietf-drums-
abnf-05.txt>, October 1997. abnf-05.txt>, October 1997.
[AGGR] Hinden, R., S. Deering, M. O'Dell, "An Aggregatable Global [AGGR] Hinden, R., S. Deering, M. O'Dell, "An Aggregatable Global
Unicast Address Format", internet draft, <draft-ietf- Unicast Address Format", internet draft, <draft-ietf-
ipngwg-unicast-aggr-00.txt>, May 1997. ipngwg-unicast-aggr-03.txt>, January 1998.
[AUTH] Atkinson, R., "IP Authentication Header", RFC1826, August [AUTH] Atkinson, R., "IP Authentication Header", RFC1826, August
1995. 1995.
[ANYCST] Partridge, C., T. Mendez, and W. Milliken, "Host Anycasting [ANYCST] Partridge, C., T. Mendez, and W. Milliken, "Host Anycasting
Service", RFC1546, November 1993. Service", RFC1546, November 1993.
[CIDR] Fuller, V., Li, T., Yu, J., Varadhan, K., "Classless Inter- [CIDR] Fuller, V., Li, T., Yu, J., Varadhan, K., "Classless Inter-
Domain Routing (CIDR): An Address Assignment and Domain Routing (CIDR): An Address Assignment and
Aggregation Strategy", RFC1519, September 1993. Aggregation Strategy", RFC1519, September 1993.
[ETHER] Crawford, M., "Transmission of IPv6 Pacekts over Ethernet [ETHER] Crawford, M., "Transmission of IPv6 Pacekts over Ethernet
Networks", Internet Draft, <draft-ietf-ipngwg-trans- Networks", Internet Draft, <draft-ietf-ipngwg-trans-
ethernet-00.txt>, March 1997. ethernet-05.txt>, November 1997.
[EUI64] IEEE, "Guidelines for 64-bit Global Identifier (EUI-64) [EUI64] IEEE, "Guidelines for 64-bit Global Identifier (EUI-64)
Registration Authority", Registration Authority",
http://standards.ieee.org/db/oui/tutorials/EUI64.html, http://standards.ieee.org/db/oui/tutorials/EUI64.html,
March 1997. March 1997.
[FDDI] Crawford, M., "Transmission of IPv6 Packets over FDDI [FDDI] Crawford, M., "Transmission of IPv6 Packets over FDDI
Networks", Internet Draft, <draft-ietf-ipngwg-trans-fddi- Networks", Internet Draft, <draft-ietf-ipngwg-trans-fddi-
net-00.txt>, March 1997. net-00.txt>, March 1997.
skipping to change at page 25, line 11 skipping to change at page 25, line 11
[TOKEN] Thomas, S., "Transmission of IPv6 Packets over Token Ring [TOKEN] Thomas, S., "Transmission of IPv6 Packets over Token Ring
Networks", Internet Draft, June 1997. Networks", Internet Draft, June 1997.
[TRAN] Gilligan, R., E. Nordmark, "Transition Mechanisms for IPv6 [TRAN] Gilligan, R., E. Nordmark, "Transition Mechanisms for IPv6
Hosts and Routers", RFC1993, April 1996. Hosts and Routers", RFC1993, April 1996.
AUTHOR'S ADDRESSES AUTHOR'S ADDRESSES
Robert M. Hinden Stephen E. Deering Robert M. Hinden Stephen E. Deering
Ipsilon Networks, Inc. Cisco Systems, Inc. Nokia Cisco Systems, Inc.
232 Java Drive 170 West Tasman Drive 232 Java Drive 170 West Tasman Drive
Sunnyvale, CA 94089 San Jose, CA 95134-1706 Sunnyvale, CA 94089 San Jose, CA 95134-1706
USA USA USA USA
phone: +1 408 990-2004 phone: +1 408 527-8213 phone: +1 408 990-2004 phone: +1 408 527-8213
fax: +1 408 743-5677 fax: +1 408 527-8254 fax: +1 408 743-5677 fax: +1 408 527-8254
email: hinden@ipsilon.com email: deering@cisco.com email: hinden@ipsilon.com email: deering@cisco.com
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