Anchorless mobility management through hICN (hICN-AMM): Deployment options
draft-auge-dmm-hicn-mobility-deployment-options-00

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DMM Working Group                                                J. Auge
Internet-Draft                                             G. Carofiglio
Intended status: Informational                            L. Muscariello
Expires: December 21, 2018                                   M. Papalini
                                                      Cisco Systems Inc.
                                                           June 19, 2018

   Anchorless mobility management through hICN (hICN-AMM): Deployment
                                options
           draft-auge-dmm-hicn-mobility-deployment-options-00

Abstract

   A novel mobility management approach is described in
   [I-D.auge-dmm-hicn-mobility], that leverages routable location-
   independent identifiers (IDs) and an Information-Centric Networking
   (ICN) communication model integrated in IPv6, (also referred to as
   Hybrid ICN, hICN, [I-D.muscariello-intarea-hicn].

   Such approach belongs to the category of pure ID-based mobility
   management schemes whose objective is (i) to overcome the limitations
   of traditional locator-based solutions like Mobile IP, (ii) to remove
   the need for a global mapping system as the one required by locator-
   identifier separation solutions like LISP
   [I-D.ietf-lisp-introduction] or ILA [I-D.herbert-intarea-ila].

   ID-based networking as proposed by ICN architectures allows to
   disentangle forwarding operations from changes of network location,
   hence removing tunnels and user plane or control plane anchors.  In
   virtue of its anchorless property, we denote this approach as hICN-
   AMM (hICN Anchorless Mobility Management) hereinafter.

   This document discusses hICN-AMM deployment options and related
   tradeoffs in terms of cost/benefits.  Particular attention is devoted
   to the insertion in the recently proposed 5G Service Based
   Architecture under study at 3GPP where an hICN-AMM solution might
   present a more efficient alternative to the traditional tunnel-based
   mobility architecture through GTP-U.

Status of This Memo

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Auge, et al.            Expires December 21, 2018               [Page 1]
Internet-Draft      hICN mobility: deployment options          June 2018

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Overview of a mobile access network and the 5G architecture .   4
   3.  Transparent integration (option #1) . . . . . . . . . . . . .   7
     3.1.  MEC deployment (option #1a) . . . . . . . . . . . . . . .   7
     3.2.  hICN deployment as a UPF (option #1b) . . . . . . . . . .  10
     3.3.  Summary . . . . . . . . . . . . . . . . . . . . . . . . .  12
   4.  "Integrated" approaches: data-plane alternatives to GTP-U
       (option #2) . . . . . . . . . . . . . . . . . . . . . . . . .  12
     4.1.  hICN insertion at N9 interface only (option #2a)  . . . .  13
     4.2.  hICN deployment at both N9 and N3 interfaces (option #2b)  15
     4.3.  Control plane considerations  . . . . . . . . . . . . . .  17
   5.  Deployment considerations . . . . . . . . . . . . . . . . . .  17
     5.1.  hICN in a slice . . . . . . . . . . . . . . . . . . . . .  17
     5.2.  End-to-end deployment . . . . . . . . . . . . . . . . . .  18
     5.3.  Network-contained deployment  . . . . . . . . . . . . . .  18
     5.4.  Alternative data planes: joint hICN/SRv6 deployment . . .  18
   6.  Summary . . . . . . . . . . . . . . . . . . . . . . . . . . .  19
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  21
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .  21
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