Report from the IAB workshop on Design Expectations vs. Deployment Reality in Protocol Development
draft-arkko-arch-dedr-report-00

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Network Working Group                                           J. Arkko
Internet-Draft                                                  Ericsson
Intended status: Informational                                 T. Hardie
Expires: May 7, 2020                                              Google
                                                       November 04, 2019

   Report from the IAB workshop on Design Expectations vs. Deployment
                    Reality in Protocol Development
                    draft-arkko-arch-dedr-report-00

Abstract

   The Design Expectations vs. Deployment Reality in Protocol
   Development Workshop was convened by the Internet Architecture Board
   (IAB) in June 2019.  This report summarizes its significant points of
   discussion and identifies topics that may warrant further
   consideration.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

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   This Internet-Draft will expire on May 7, 2020.

Copyright Notice

   Copyright (c) 2019 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (https://trustee.ietf.org/license-info) in effect on the date of
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   include Simplified BSD License text as described in Section 4.e of

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   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Workshop Agenda . . . . . . . . . . . . . . . . . . . . . . .   4
   3.  Position Papers . . . . . . . . . . . . . . . . . . . . . . .   4
   4.  Discussions . . . . . . . . . . . . . . . . . . . . . . . . .   6
     4.1.  Past experiences  . . . . . . . . . . . . . . . . . . . .   6
     4.2.  Principles  . . . . . . . . . . . . . . . . . . . . . . .   6
     4.3.  Centralised deployment models . . . . . . . . . . . . . .   7
     4.4.  Security  . . . . . . . . . . . . . . . . . . . . . . . .   8
     4.5.  Future  . . . . . . . . . . . . . . . . . . . . . . . . .   8
   5.  Conclusions . . . . . . . . . . . . . . . . . . . . . . . . .   9
     5.1.  Summary of discussions  . . . . . . . . . . . . . . . . .   9
     5.2.  Actions . . . . . . . . . . . . . . . . . . . . . . . . .  10
       5.2.1.  Potential architecture actions and outputs  . . . . .  11
       5.2.2.  Potential other actions . . . . . . . . . . . . . . .  11
     5.3.  Other publications  . . . . . . . . . . . . . . . . . . .  11
     5.4.  Feedback  . . . . . . . . . . . . . . . . . . . . . . . .  11
   6.  Informative References  . . . . . . . . . . . . . . . . . . .  11
   Appendix A.  Particant List . . . . . . . . . . . . . . . . . . .  14
   Appendix B.  Acknowledgements . . . . . . . . . . . . . . . . . .  15
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  16

1.  Introduction

   The Design Expectations vs. Deployment Reality in Protocol
   Development Workshop was convened by the Internet Architecture Board
   (IAB) in June 2019.  This report summarizes its significant points of
   discussion and identifies topics that may warrant further
   consideration.

   Note: While late in being submitted, this report is still an early
   version.  Comments and contributions are appreciated.  We expect to
   call for review of the -01 version.

   The background for the workshop was that a number of protocols have
   presumed specific deployment models during the development or early
   elaboration of the protocol.  Actual deployments have, however, often
   run contrary to these early expectations when economies of scale,
   DDoS resilience, market consolidation, or other factors have come
   into play.  These factors can result in the deployed reality being
   highly concentrated.

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   This is a serious issue for the Internet, as concentrated,
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