RFC 1674 (rfc1674) - Page 1 of 3

A Cellular Industry View of IPng

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Network Working Group                                          M. Taylor
Request for Comments: 1674                               CDPD Consortium
Category: Informational                                      August 1994


                    A Cellular Industry View of IPng

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

   This memo is a response to RFC 1550, "IP: Next Generation (IPng)
   White Paper Solicitation".  The statements in this paper are intended
   as input to the technical discussions within IETF, and do not
   represent any endorsement or commitment on the part of the cellular
   industry, the Cellular Digital Packet Data (CDPD) consortium of
   service providers or any of its constituent companies.

Introduction

   This is a draft of the requirements for IPng as envisioned by
   representatives of the Cellular Digital Packet Data (CDPD) consortium
   of service providers.  As the leading service providers for this
   nascent technology, which will provide the capability for mobility of
   native mainstream connectionless network layer-based applications it
   is our intention to support whatever form IPng takes.  However, there
   are several requirements which we feel IPng must meet.

Mobility

   Since we will offer mobile services, our primary requirement is that
   IPng not inhibit our support of mobility.  IPng must not impede
   devices from being able to operate anywhere anytime.  Applications on
   these mobile devices must look and feel the same to the user
   regardless of location.  NPDUs should be self-contained and not
   disallow the redirection inherent to our mobility solution, i.e.,
   IPng must be connectionless.

   Further, since IPng provides an opportunity for design enhancements
   above and beyond IPv4, we propose that native support for mobility be
   regarded as an explicit IPng requirement.  Local area and wide area
   wireless technology creates new opportunities for both TCP/IP and the
   Internet.  Although the capability for mobility is orthogonal to the
   wired or wireless nature of the data link in use, the rapid



Taylor
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