MEC for Automotive in Multi-Operator Scenarios 5GAA Automotive Association Technical Report CONTACT INFORMATION: Copyright © 2021 5GAA. All Rights Reserved. Lead Coordinator – Thomas Linget Email: [email protected] No part of this White Paper may be reproduced without written permission. MAILING ADDRESS: 5GAA c/o MCI Munich Neumarkter Str. 21 81673 München, Germany www.5gaa.org VERSION: 1.0 DATE OF PUBLICATION: 03.03.2021 DOCUMENT TYPE: Technical Report CONFIDENTIALITY CLASS: P (Public use) REFERENCE 5GAA WORKING GROUP: Working Group 2 DATE OF APPROVAL BY 5GAA BOARD: 11.01.2021 MEC for Automotive in Multi-Operator Scenarios 2 3 5GAA A-200150 Contents Foreword............................................................................................................................................................. 5 1 Scope ........................................................................................................................................................ 6 2 References ................................................................................................................................................ 7 3 Abbreviations ........................................................................................................................................... 9 4 Definition of Edge Computing ............................................................................................................... 11 4.1 The application perspective (three-tier paradigm) ........................................................................................... 11 5 Overview of Edge Computing architecture principles for V2X (SoA) .................................................. 13 5.1 Relation to 5GAA V2X Application Architecture ........................................................................................... 13 5.2 ETSI MEC architecture and deployment options ............................................................................................ 13 5.2.1 ETSI MEC architecture .............................................................................................................................. 13 5.2.2 ETSI MEC architecture in NFV ................................................................................................................. 15 5.2.3 ETSI MEC deployment options ................................................................................................................. 17 5.2.4 Multi-MNO MEC deployment options ...................................................................................................... 18 5.3 AECC architecture ........................................................................................................................................... 19 5.4 Edge Computing support in 3GPP systems ..................................................................................................... 21 5.4.1 Edge Computing in 3GPP SA5 .................................................................................................................. 22 5.4.2 Edge Computing in 3GPP SA6 .................................................................................................................. 24 5.5 Cloud Native Computing Foundation ............................................................................................................. 26 6 High-level architectural considerations on MEC in multi-MNO scenarios ........................................... 27 6.1 Reference architecture for MEC4AUTO scenarios ......................................................................................... 27 6.2 Introduction to multi-MNO scenarios and assumptions .................................................................................. 27 6.3 Single OEM use case for 3 main scenarios ...................................................................................................... 28 6.3.1 Scenario 1: Both MNO A and MNO B have MEC platform and MEC application X ............................... 28 6.3.2 Scenario 2: Both MNO A and MNO B have MEC platforms, but MEC application X is available only in MNO A .......................................................................................................................................... 28 6.3.3 Scenario 3: Only MNO A has a MEC platform and MEC application X is available only in MNO A ..... 29 6.3.3.1 Scenario 3A: Inter-domain connectivity by means of N9 tunnelling ................................................... 29 6.3.3.2 Scenario 3B: Inter-domain connectivity by means of controlled IP network ....................................... 30 6.4 Multiple OEMs vehicle use case for three main scenarios .............................................................................. 30 6.4.1 Scenario 1: Both MNO A and MNO B have MEC platforms and MEC application Y ............................. 30 6.4.2 Scenario 2: Both MNO A and MNO B have MEC platforms, but MEC application Y is available only in MNO A .......................................................................................................................................... 31 6.4.3 Scenario 3: Only MNO A has a MEC platform and MEC application Y is available only in MNO A ..... 31 6.4.3.1 Scenario 3A: Inter-domain connectivity by means of N9 tunnelling ................................................... 31 6.4.3.2 Scenario 3B: Inter-domain connectivity by means of controlled IP network ....................................... 32 6.5 Open issues ...................................................................................................................................................... 32 6.6 Summary on multi-MNO scenarios on MEC .................................................................................................. 33 7 Deployments for use cases ..................................................................................................................... 34 7.1 Examples of Edge Computing architectures .................................................................................................... 34 7.2 Application layer deployments for MEC4AUTO use cases ............................................................................ 36 7.2.1 UC1: See Through ...................................................................................................................................... 37 7.2.2 UC2: In-Vehicle Entertainment (IVE) ....................................................................................................... 38 7.2.3 UC3: Intersection Movement Assist (IMA) ............................................................................................... 38 7.2.4 UC4: Vulnerable Road User (VRU) .......................................................................................................... 39 7.2.4.1 Deployment according to Scenario 1 .................................................................................................... 39 7.2.4.2 Deployment according to Scenario 2 .................................................................................................... 40 7.2.4.3 Deployment according to Scenario 3 .................................................................................................... 40 7.2.5 UC5: Vehicle Platooning ........................................................................................................................... 41 7.2.5.1 Deployment example (vehicle joining/leaving the platoon) ................................................................. 41 7.2.5.2 Deployment example (changing the platoon head vehicle) .................................................................. 42 7.3 Examples of demonstration/trial implementations ........................................................................................... 42 8 Interoperability and service continuity for Edge Computing ................................................................. 45 8.1 State of requirement ......................................................................................................................................... 45 8.2 MEC service continuity based on N9 forwarding tunnel ................................................................................. 45 4 5GAA A-200150 8.2.1 Network domain solution ........................................................................................................................... 45 8.2.2 Application domain solution ...................................................................................................................... 47 8.2.2.1 Application service retention ................................................................................................................ 48 8.2.2.2 Application instantiation and data migration ........................................................................................ 48 8.2.2.3 Application service redirection ............................................................................................................. 49 8.3 Summary on MEC service continuity .............................................................................................................. 50 9 MEC security guidance .......................................................................................................................... 51 9.1 Security scope .................................................................................................................................................. 51 9.2 MEC4AUTO Shared Responsibility