Enabling ICN in 3GPP's 5G NextGen Core Architecture
draft-ravi-icnrg-5gc-icn-04

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ICNRG                                                       R. Ravindran
Internet-Draft                                                 Futurewei
Intended status: Informational                                 P. Suthar
Expires: December 2, 2019                                          Cisco
                                                              D. Trossen
                                                                 C. Wang
                                                       InterDigital Inc.
                                                                G. White
                                                               CableLabs
                                                            May 31, 2019

          Enabling ICN in 3GPP's 5G NextGen Core Architecture
                      draft-ravi-icnrg-5gc-icn-04

Abstract

   The proposed 3GPP's 5G core nextgen architecture (5GC) offers
   flexibility to introduce new user and control plane function,
   considering the support for network slicing functions, that allows
   greater flexibility to handle heterogeneous devices and applications.
   In this draft, we provide a short description of the proposed 5GC
   architecture, including recent efforts to provide cellular Local Area
   Network (LAN) connectivity, followed by extensions to 5GC's control
   and user plane to support Packet Data Unit (PDU) sessions from
   Information-Centric Networks (ICN).  In addition, ICN over 5GLAN is
   also described.

Status of This Memo

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   provisions of BCP 78 and BCP 79.

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   This Internet-Draft will expire on December 2, 2019.

Ravindran, et al.       Expires December 2, 2019                [Page 1]
Internet-Draft                 ICN in 5GC                       May 2019

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   4
   3.  5G NextGen Core Design Principles . . . . . . . . . . . . . .   5
   4.  5GC Architecture with ICN Support . . . . . . . . . . . . . .   6
     4.1.  5G NextGen Core Architecture  . . . . . . . . . . . . . .   6
     4.2.  ICN over 5GC  . . . . . . . . . . . . . . . . . . . . . .   8
       4.2.1.  Control Plane Extensions  . . . . . . . . . . . . . .  10
       4.2.2.  User Plane Extensions . . . . . . . . . . . . . . . .  13
       4.2.3.  Dual Stack ICN Deployment . . . . . . . . . . . . . .  16
   5.  5GLAN Architecture with ICN Support . . . . . . . . . . . . .  23
     5.1.  5GC Architecture Extensions for 5GLAN Support . . . . . .  23
       5.1.1.  Realization of Nx Interface . . . . . . . . . . . . .  24
       5.1.2.  Bitfield-based Forwarding in Existing Transport
               Networks  . . . . . . . . . . . . . . . . . . . . . .  25
     5.2.  ICN over 5GLAN  . . . . . . . . . . . . . . . . . . . . .  26
   6.  Deployment Considerations . . . . . . . . . . . . . . . . . .  27
   7.  Conclusion  . . . . . . . . . . . . . . . . . . . . . . . . .  28
   8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  28
   9.  Security Considerations . . . . . . . . . . . . . . . . . . .  28
   10. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .  28
   11. Informative References  . . . . . . . . . . . . . . . . . . .  29
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  31

1.  Introduction

   The objective of this draft is to propose an architecture to enable
   information-centric networking (ICN) in the proposed 5G Next-
   generation Core network architecture (5GC) by leveraging its
   flexibility to allow new user and associated control plane functions.
   The reference architectural discussions in the 5G core network 3GPP
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