RFC 1670 (rfc1670) - Page 1 of 3

Input to IPng Engineering Considerations

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Network Working Group                                        D. Heagerty
Request for Comments: 1670                                          CERN
Category: Informational                                      August 1994


                Input to IPng Engineering Considerations

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 document was submitted to the IETF IPng area in response to RFC
   1550.  Publication of this document does not imply acceptance by the
   IPng area of any ideas expressed within.  Comments should be
   submitted to the  mailing list.

Summary

   This white paper expresses some personal opinions on IPng engineering
   considerations, based on experience with DECnet Phase V transition.
   It suggests breaking down the IPng decisions and transition tasks
   into smaller parts so they can be tackled early by the relevant
   experts.

Timescales

   In order to allow key decisions to be taken early, I would like to
   see IPng decisions and timescales broken down into into smaller
   parts, for example:

    - address structure and allocation mechanism
    - name service changes
    - host software and programming interface changes
    - routing protocol changes

   Although interrelated, not all details need to be defined by the same
   date. Identify which decisions will be hard to change and which can
   be allowed to evolve. All changes should be worked on in parallel,
   but the above list indicates a feeling for urgency of a decision.
   Our experience has been that administrative changes (as may be
   required for addressing changes) need the greatest elapse time for
   implementation, whereas routing protocol changes need the least.





Heagerty
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