Deployment Considerations for Information-Centric Networking (ICN)
RFC 8763

Document Type RFC - Informational (April 2020; No errata)
Authors Akbar Rahman  , Dirk Trossen  , Dirk Kutscher  , Ravi Ravindran 
Last updated 2020-04-16
Replaces draft-rahman-icnrg-deployment-guidelines
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Internet Research Task Force (IRTF)                            A. Rahman
Request for Comments: 8763              InterDigital Communications, LLC
Category: Informational                                       D. Trossen
ISSN: 2070-1721                                                   Huawei
                                                             D. Kutscher
                                                        Emden University
                                                            R. Ravindran
                                                   Sterlite Technologies
                                                              April 2020

   Deployment Considerations for Information-Centric Networking (ICN)

Abstract

   Information-Centric Networking (ICN) is now reaching technological
   maturity after many years of fundamental research and
   experimentation.  This document provides a number of deployment
   considerations in the interest of helping the ICN community move
   forward to the next step of live deployments.  First, the major
   deployment configurations for ICN are described, including the key
   overlay and underlay approaches.  Then, proposed deployment migration
   paths are outlined to address major practical issues, such as network
   and application migration.  Next, selected ICN trial experiences are
   summarized.  Finally, protocol areas that require further
   standardization are identified to facilitate future interoperable ICN
   deployments.  This document is a product of the Information-Centric
   Networking Research Group (ICNRG).

Status of This Memo

   This document is not an Internet Standards Track specification; it is
   published for informational purposes.

   This document is a product of the Internet Research Task Force
   (IRTF).  The IRTF publishes the results of Internet-related research
   and development activities.  These results might not be suitable for
   deployment.  This RFC represents the consensus of the Information-
   Centric Networking Research Group of the Internet Research Task Force
   (IRTF).  Documents approved for publication by the IRSG are not a
   candidate for any level of Internet Standard; see Section 2 of RFC
   7841.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   https://www.rfc-editor.org/info/rfc8763.

Copyright Notice

   Copyright (c) 2020 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
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.

Table of Contents

   1.  Introduction
   2.  Terminology
   3.  Abbreviations List
   4.  Deployment Configurations
     4.1.  Clean-Slate ICN
     4.2.  ICN-as-an-Overlay
     4.3.  ICN-as-an-Underlay
       4.3.1.  Edge Network
       4.3.2.  Core Network
     4.4.  ICN-as-a-Slice
     4.5.  Composite-ICN Approach
   5.  Deployment Migration Paths
     5.1.  Application and Service Migration
     5.2.  Content Delivery Network Migration
     5.3.  Edge Network Migration
     5.4.  Core Network Migration
   6.  Deployment Trial Experiences
     6.1.  ICN-as-an-Overlay
       6.1.1.  FP7 PURSUIT Efforts
       6.1.2.  FP7 SAIL Trial
       6.1.3.  NDN Testbed
       6.1.4.  ICN2020 Efforts
       6.1.5.  UMOBILE Efforts
     6.2.  ICN-as-an-Underlay
       6.2.1.  H2020 POINT and RIFE Efforts
       6.2.2.  H2020 FLAME Efforts
       6.2.3.  CableLabs Content Delivery System
       6.2.4.  NDN IoT Trials
       6.2.5.  NREN ICN Testbed
       6.2.6.  DOCTOR Testbed
     6.3.  Composite-ICN Approach
     6.4.  Summary of Deployment Trials
   7.  Deployment Issues Requiring Further Standardization
     7.1.  Protocols for Application and Service Migration
     7.2.  Protocols for Content Delivery Network Migration
     7.3.  Protocols for Edge and Core Network Migration
     7.4.  Summary of ICN Protocol Gaps and Potential Protocol Efforts
   8.  Conclusion
   9.  IANA Considerations
   10. Security Considerations
   11. Informative References
   Acknowledgments
   Authors' Addresses

1.  Introduction

   The ICNRG charter identifies deployment guidelines as an important
   topic area for the ICN community.  Specifically, the charter states
   that defining concrete migration paths for ICN deployments that avoid
   forklift upgrades and defining practical ICN interworking
   configurations with the existing Internet paradigm are key topic
   areas that require further investigation [ICNRGCharter].  Also, it is
   well understood that results and conclusions from any mid- to large-
   scale ICN experiments in the live Internet will also provide useful
   guidance for deployments.

   So far, outside of some preliminary investigations, such as
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