An IPv6 Air/Ground Interface for the International Civil Aviation Organization (Use Case)
draft-templin-v6ops-icao-int-00

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Last updated 2019-12-10
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Network Working Group                                    F. Templin, Ed.
Internet-Draft                                        The Boeing Company
Intended status: Informational                         December 10, 2019
Expires: June 12, 2020

   An IPv6 Air/Ground Interface for the International Civil Aviation
                        Organization (Use Case)
                    draft-templin-v6ops-icao-int-00

Abstract

   The International Civil Aviation Organization (ICAO) is building a
   worldwide IPv6-based Air Traffic Management (ATM) service known as
   the Aeronautical Telecommunications Network with Internet Protocol
   Services (ATN/IPS).  Aircraft connect to the ATN/IPS via an IPv6 Air/
   Ground (A/G) interface that provides a nexus for control and data
   messages exchanges over all available aviation wireless data links.
   This document discusses the use case that motivates a new IPv6
   interface abstraction.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
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   Internet-Drafts are working documents of the Internet Engineering
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   This Internet-Draft will expire on June 12, 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
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   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect

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   to this document.  Code Components extracted from this document must
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  An IPv6 Air/Ground Interface for Civil Aviation (Use Case)  .   4
   4.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   4
   5.  Security Considerations . . . . . . . . . . . . . . . . . . .   4
   6.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .   4
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   4
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .   4
     7.2.  Informative References  . . . . . . . . . . . . . . . . .   4
   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . .   4

1.  Introduction

   The International Civil Aviation Organization (ICAO) is building a
   worldwide IPv6-based Air Traffic Management (ATM) service known as
   the Aeronautical Telecommunications Network with Internet Protocol
   Services (ATN/IPS).  Aircraft connect to the ATN/IPS via an Air/
   Ground (A/G) interface that provides a nexus for control and data
   message exchanges over all available underlying aviation wireless
   data links.  Aircraft frequently have many data links and use them
   according to inbound and outbound traffic engineering profiles in a
   service known as multilink.

   As an aircraft travels, it's underlying aviation data link profile
   may change dynamically.  For example, data links that are available
   in the ground domain may not be available at cruise altitudes, and
   terrestrial cellular services may not be available during trans-
   oceanic crossings.  In still other cases, handoffs within the same
   access technology could result in readdressing.  For these reasons,
   aircraft and the ATN/IPS must be able to accommodate mobility.

   The ATN/IPS provides an IPv6 /32 Mobility Service Prefix (MSP), and
   ICAO further assigns each aircraft a 24-bit Identification value that
   is unique among all civil aviation aircraft worldwide.  From these
   two values, the aircaft constructs a /56 Mobile Network Prefix (MNP)
   that travels with the aircraft wherever it goes.  For example, if the
   MSP is 2001:db8::/32 and the aircraft is assiged the Identification
   value 0x123456, the resulting MNP is 2001:db8:1234:5600::/56.

   Each aircraft registers its MNP in the ATN/IPS ground-domain mobility
   service over its active aviation data links.  Since many aviation

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