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IP over ATM: A Framework Document (RFC1932)

IP.com Disclosure Number: IPCOM000004238D
Original Publication Date: 1996-Apr-01
Included in the Prior Art Database: 2000-Sep-13
Document File: 25 page(s) / 70K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

R. Cole: AUTHOR [+3]

Abstract

The discussions of the IP over ATM working group over the last several years have produced a diverse set of proposals, some of which are no longer under active consideration. A categorization is provided for the purpose of focusing discussion on the various proposals for IP over ATM deemed of primary interest by the IP over ATM working group. The intent of this framework is to help clarify the differences between proposals and identify common features in order to promote convergence to a smaller and more mutually compatible set of standards. In summary, it is hoped that this document, in classifying ATM approaches and issues will help to focus the IP over ATM working group's direction.

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Network Working Group R. Cole

Request for Comments: 1932 D. Shur

Category: Informational AT&T Bell Laboratories

C. Villamizar

ANS

April 1996

IP over ATM: A Framework Document

Status of this Memo

This memo provides information for the Internet community. This memo

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

this memo is unlimited.

Abstract

The discussions of the IP over ATM working group over the last

several years have produced a diverse set of proposals, some of which

are no longer under active consideration. A categorization is

provided for the purpose of focusing discussion on the various

proposals for IP over ATM deemed of primary interest by the IP over

ATM working group. The intent of this framework is to help clarify

the differences between proposals and identify common features in

order to promote convergence to a smaller and more mutually

compatible set of standards. In summary, it is hoped that this

document, in classifying ATM approaches and issues will help to focus

the IP over ATM working group's direction.

1. Introduction

The IP over ATM Working Group of the Internet Engineering Task Force

(IETF) is chartered to develop standards for routing and forwarding

IP packets over ATM sub-networks. This document provides a

classification/taxonomy of IP over ATM options and issues and then

describes various proposals in these terms.

The remainder of this memorandum is organized as follows:

o Section 2 defines several terms relating to networking and

internetworking.

o Section 3 discusses the parameters for a taxonomy of the

different ATM models under discussion.

o Section 4 discusses the options for low level encapsulation.

o Section 5 discusses tradeoffs between connection oriented and

connectionless approaches.

o Section 6 discusses the various means of providing direct

connections across IP subnet boundaries.

o Section 7 discusses the proposal to extend IP routing to better

accommodate direct connections across IP subnet boundaries.

o Section 8 identifies several prominent IP over ATM proposals that

have been discussed within the IP over ATM Working Group and

their relationship to the framework described in this document.

o Section 9 addresses the relationship between the documents<...