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Implications of Various Address Allocation Policies for Internet Routing (RFC2008)

IP.com Disclosure Number: IPCOM000002561D
Original Publication Date: 1996-Oct-01
Included in the Prior Art Database: 2000-Sep-13
Document File: 11 page(s) / 33K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

Y. Rekhter: AUTHOR [+2]

Abstract

IP unicast address allocation and management are essential operational functions for the Public Internet. The exact policies for IP unicast address allocation and management continue to be the subject of many discussions. Such discussions cannot be pursued in a vacuum - the participants must understand the technical issues and implications associated with various address allocation and management policies.

This text was extracted from a ASCII Text document.
This is the abbreviated version, containing approximately 9% of the total text.

Network Working Group Y. Rekhter

Request for Comments: 2008 T. Li

BCP: 7 Cisco Systems

Category: Best Current Practice October 1996

Implications of Various Address Allocation

Policies for Internet Routing

Status of this Memo

This document specifies an Internet Best Current Practices for the

Internet Community, and requests discussion and suggestions for

improvements. Distribution of this memo is unlimited.

IESG Note:

The addressing constraints described in this document are largely the

result of the interaction of existing router technology, address

assignment, and architectural history. After extensive review and

discussion, the authors of this document, the IETF working group that

reviewed it, and the IESG have concluded that there are no other

currently deployable technologies available to overcome these

limitations. In the event that routing or router technology develops

to the point that adequate routing aggregation can be achieved by

other means or that routers can deal with larger routing and more

dynamic tables, it may be appropriate to review these constraints.

1 Abstract

IP unicast address allocation and management are essential

operational functions for the Public Internet. The exact policies for

IP unicast address allocation and management continue to be the

subject of many discussions. Such discussions cannot be pursued in a

vacuum - the participants must understand the technical issues and

implications associated with various address allocation and

management policies.

The purpose of this document is to articulate certain relevant

fundamental technical issues that must be considered in formulating

unicast address allocation and management policies for the Public

Internet, and to provide recommendations with respect to these

policies.

The major focus of this document is on two possible policies,

"address ownership" and "address lending," and the technical

implications of these policies for the Public Internet. For the

organizations that could provide reachability to a sufficiently large

fraction of the total destinations in the Internet, and could express

such reachability through a single IP address prefix the document

suggests to use the "address ownership" policy. However, applying the

"address ownership" policy to every individual site or organization

that connects to the Internet results in a non-scalable routing.

Consequently, this document also recomments that the "address

lending" policy should be formally added to the set of address

allocation policies in the Public Internet. The document also

recommends that organizations that do not provide a sufficient degree

of routing information aggregation, but wish to obtain access to the

Internet routing services should be stron...