本备忘录状态
This memo provides information for the Internet community. It does
not specify an Internet standard of any kind. Distribution of this
memo is unlimited.
版权声明
Copyright (C) The Internet Society (1999). All Rights Reserved.


目录
1． 简介 1
2． 地址格式 2
3． 参考资料 2
4． 安全问题 3
5． 作者联系方法 3
6． 版权声明 4

1． 简介
本文档描述了一种在测试IPv6的原型软件中IPv6地址的分配计划。这些地址都是临时的，在将来会被收回。任何使用这些地址的IPv6系统都得在未来的某个时候重新编号。这些地址在Internet中不能被正常路由，除了用来测试IPv6。
IPv6测试地址的地址格式跟"Aggregatable Global Unicast Address Allocation" [AGGR] 和 "TLA and NLA Assignment Rules" [TLAASN]一致。
本文档时用来替换RFC1897 "IPv6 Testing Address Allocation"， January 1996. RFC1897已经过时。
本文档中描述的地址跟IPv6 Addressing Architecture [ARCH]一致。它们可以手动地分配给节点，也可以通过IPv6 Auto Address Allocation [AUTO]或者 DHCP for IPv6 [DHCPv6]来分配。
要害字 "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", 和 "OPTIONAL" 在本文档中地解释参照[RFC2119]。


2． 地址格式
Aggregatable Global Unicast Address格式在[AGGR]中定义如下：
3 13 32 16 64 bits
+---+-----+-----------+--------+--------------------------------+
FP TLA NLA ID SLA ID Interface ID
ID
+---+-----+-----------+--------+--------------------------------+
其中：
FP=001=格式前缀
这是格式的前缀，用来识别Aggregatable Global Unicast Address。
TLA = 0x1FFE = Top-Level Aggregation Identifier
这是在IETF IPng Transition Working Group IPv6骨干网测试活动组的资助下，由IANA分配给IPv6骨干测试网的。这由IPv6骨干网活动组主席治理，目前是Bob Fink（rlfink@lbl.gov）。这个TLA的使用是临时的，所有使用这个TLA地址的用户都需要在将来某个时候重新编号。
NLA ID = Next-Level Aggregation Identifier
NLA ID空间是由TLA ID治理员分配的充分的地址层次空间，用来识别跟IPv6骨干网体系结构和拓扑结构的传输网络和终端用户位置。这可以提供一个多层次的传输服务，跟在IPv6骨干网上全面测试IPv6在真实使用环境下技术的目的一致。
SLA ID = Site-Level Aggregation Identifier
独立的结构用SLA ID这个字段产生本地网络的地址层次，并且用来识别子网。独立的机构要负责给这个字段分配值。
Interface ID
这是用来识别某些有关IPv6链路文档中（例如：[ETHER], [FDDI]等等）所定义的接口的接口标识符。
3． 参考资料

[ARCH] Hinden, R., "IP Version 6 Addressing Architecture",
RFC2373, July 1998.

[AGGR] Hinden, R., Deering, S., O'Dell, M., "An Aggregatable
Global Unicast Address Format", RFC2374, July 1998.

[AUTO] Thompson, S. and T. Narten, "IPv6 Stateless Address
Autoconfiguration", RFC1971, August 1996.

[DHCP6] Bound, J., "Host Configuration Protocol for IPv6", Work in
Progress.

[ETHER] Crawford, M., "Transmission of IPv6 Packets over Ethernet
Networks", RFC2464, December 1998.

[FDDI] Crawford, M., "Transmission of IPv6 Packets over FDDI
Networks", RFC2467, December 1998.

[RFC2119] Bradner, S., "Key Words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC2119, March 1997.

[TLAASN] Hinden, R., "TLA and NLA Assignment Rules", Work in
Progress.
4． 安全问题
本文档定义了一种跟[AGGR]相一致产生集合地址的方法。它对Internet网络设施的安全并无直接影响。IPv6分组的认证在中[AUTH]有定义。
5． 作者联系方法

Robert M. Hinden
Nokia
232 Java Drive
Sunnyvale, CA 94089
USA

Phone: +1 408 990-2004
EMail: hinden@iprg.nokia.com


Robert Fink
Lawrence Berkeley National Laboratory
MS 50A-3111
Berkeley, CA 94720
USA

Phone: +1 510 486-5692
EMail: rlfink@lbl.gov


Jon Postel (Deceased)
Information Sciences Institute
4676 Admiralty Way
Marina del Rey, CA 90292-6695
USA
6． 版权声明

Copyright (C) The Internet Society (1998). All Rights Reserved.

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