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An Architecture for IPv6 Unicast Address Allocation (RFC1887)

IP.com Disclosure Number: IPCOM000004143D
Original Publication Date: 1995-Dec-01
Included in the Prior Art Database: 2000-Sep-13
Document File: 21 page(s) / 62K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

Y. Rekhter: AUTHOR [+3]

Abstract

This document provides an architecture for allocating IPv6 [1] unicast addresses in the Internet. The overall IPv6 addressing architecture is defined in [2]. This document does not go into the details of an addressing plan.

This text was extracted from a ASCII document.
This is the abbreviated version, containing approximately 4% of the total text.

Network Working Group Y. Rekhter

Request for Comments: 1887 cisco Systems

Category: Informational T. Li

cisco Systems

Editors

December 1995

An Architecture for IPv6 Unicast Address Allocation

Status of this Memo

This document provides information for the Internet community. This

memo does not specify an Internet standard of any kind. Distribution

of this memo is unlimited.

Abstract

This document provides an architecture for allocating IPv6 [1]

unicast addresses in the Internet. The overall IPv6 addressing

architecture is defined in [2]. This document does not go into the

details of an addressing plan.

1. Scope

The global internet can be modeled as a collection of hosts

interconnected via transmission and switching facilities. Control

over the collection of hosts and the transmission and switching

facilities that compose the networking resources of the global

internet is not homogeneous, but is distributed among multiple

administrative authorities. Resources under control of a single

administration within a contiguous segment of network topology form a

domain. For the rest of this paper, `domain' and `routing domain'

will be used interchangeably.

Domains that share their resources with other domains are called

network service providers (or just providers). Domains that utilize

other domain's resources are called network service subscribers (or

just subscribers). A given domain may act as a provider and a

subscriber simultaneously.

There are two aspects of interest when discussing IPv6 unicast

address allocation within the Internet. The first is the set of

administrative requirements for obtaining and allocating IPv6

addresses; the second is the technical aspect of such assignments,

having largely to do with routing, both within a routing domain

(intra-domain routing) and between routing domains (inter-domain

routing). This paper focuses on the technical issues.

In the current Internet many routing domains (such as corporate and

campus networks) attach to transit networks (such as regionals) in

only one or a small number of carefully controlled access points.

The former act as subscribers, while the latter act as providers.

Addressing solutions which require substantial changes or constraints

on the current topology are not considered.

The arc...