IPv6 and 4G. Christian Bonnet Michelle Wetterwald Institut Eurécom

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1 IPv6 and 4G Christian Bonnet Michelle Wetterwald Institut Eurécom

2 Agenda Introduction Architecture Mobile Terminal Function Elements Mobility scenarios QoS Multicasting Conclusion

3 Introduction : 4G Attributes Heterogenous Multiple Radio Access Technologies Terminals with Multiple Radio Interfaces IPv6 as a global framework for content delivery and for mobility control IPv6 «close» to Base Stations

4 Agenda Introduction Architecture Mobile Terminal Function Elements Mobility scenarios QoS Multicasting Conclusion

5 IPV6 + 4G = Seamless Roaming Architecture RAT 1 RAT 1 RAT 1+ RAT 2 IPv6 Backbone RAT 2 RAT 2

6 Architecture Evolution: LTE (Long Term Evolution) MT BTS /RNC SGSN GGSN MT enodeb AGW CN UMTS Bearer Service IP Radio Access Bearer Service CN Bearer Service SAE Bearer Service Radio Bearer Service I u Bearer Service SAE Radio Bearer Service SAE Access Bearer Service MT : Mobile Terminal SGSN : Serving GPRS Support Node GGSN : Gateway GSN SAE : System Architecture Evolution

7 New Architecture : All IPv6 (Eurecom) MT BTS /RNC SGSN GGSN MT RAG CN UMTS Bearer Service IPv6 Radio Access Bearer Service CN Bearer Service UMTS Bearer Service Radio Bearer Service I u Bearer Service Radio Bearer Service RAG :Radio Access Gateway= IPv6 Router + NodeB

8 IPV6 + 4G = Convergence Pure IP Architecture RAT 1 RAT 1 RAT 1+ RAT 2 IPv6 Backbone RAT 2 RAT 2 One IPv6 Subnet per radio cell Stateless IPv6 Address reconfiguration while roaming

9 Agenda Introduction Architecture Mobile Terminal Function Elements Mobility scenarios QoS Multicasting Conclusion

10 Heterogeneity : Terminal with several interfaces Multiple interfaces on terminals May be active at the same time or not (consequences on Handover process) Possible multihoming (attachment to multiple networks) Impacts on radio resources management QoS parameter handling Resource allocation and admission control

11 Heterogeneity : Handover Handling (MT side) IEEE Media Independent HO MIH User (Application, Transport, Network) MIH Network Entity (Resource Management) MIH Function (Generic Adaptation Layer) GPP Other (Radio Adaptation Layer)

12 Heterogeneity : Eurecom IPv6 MT

13 Agenda Introduction Architecture Mobile Terminal Function Elements Mobility scenarios QoS Multicasting Conclusion

14 IPv6 + Multiple Interfaces Scenarios Vertical HO (several interfaces, one active ) Soft IPv6 HO (several active interfaces) Multiple Interfaces for Mobile Routers (Nemo) HO (service continuity) Load balancing (Interface selection according to QoS requirements)

15 IPv6 Soft HO (Multihoming( + simultaneous active interfaces) Correspondent Home Agent Correspondent Internet D&M agent D&M agent IPv6 flow D&M agent PCoA D&M agent LCoA (d) Sub network RAT1 RAT1 Duplicated flows RAT2 LCoA (c) LCoA (A) LCoA (B) Mobile Node Cell A Cell B

16 Nemo Scenarios Application Service Location 1 IP Core network 802.XX Location 2 Load Balancing Scenario Or Handover Scenario 3GPP

17 Agenda Introduction Architecture Mobile Terminal Function Elements Mobility scenarios QoS Multicasting Conclusion

18 Radio resource management Allocation in presence of multiple RAT Quality Monitoring on Multiple RAT Liaison with «Always Best Connected» concept

19 Common Radio Resource Management Multihomed Terminal Mobile Terminal Controller (MTC) Generic Radio Access Adaptation Layer (GRAAL) RAL WLAN WLAN Firmware RAL UMTS/TDD UMTS DRIVER ACCESS STRATUM WLAN AP1 WLAN Driver RRM WLAN CRRM RRM UMTS UMTS RG1 RGAL UMTS UMTS Driver RRC Common Radio Resource Management: «Always Best Connected» Information

20 IMS (IP Multimedia Subsystem) Cooperation with CRRM End 2 End QoS parameters negociation

21 Liaison with IMS (IP Multimedia Subsystem) MT Application IMS/SIP User Agent Mobile Terminal Controller (MTC) Generic Radio Access Adaptation Layer (GRAAL) Proxy IMS WLAN AP1 RRM WLAN CRRM RRM UMTS UMTS RG1 QoS Requirement Capture In heterogeneous RAT RAL WLAN WLAN Firmware RAL UMTS/TDD UMTS DRIVER ACCESS STRATUM WLAN Driver RGAL UMTS UMTS Driver RRC

22 Agenda Introduction Architecture Mobile Terminal Function Elements Mobility scenarios QoS Multicasting Conclusion

23 All IPv6 architecture and Multicast Multicast and Broadcast Content delivered in a single framework Reuse of : Multicast Tree, Group Management Protocols Reuse of IPv6 based Mobility Management

24 Multicast Broadcast Integration Application MTC (Mobile Terminal Controller) GRAAL Transport IPv6 RAL 3GPP MBMS driver RAL DVB driver

25 Multicast Broadcast Integration Streaming Service Provider Location 1 IP Core network 3GPP RAG Multicast and Mobility scenario Location 2 DVB RAG

26 Agenda Introduction Architecture Mobile Terminal Function Elements Mobility scenarios QoS Multicasting Conclusion

27 3-Way Technology Convergence 3.5G + WLAN+WiMax+ Radio Access Next Generation Mobile Internet Technology (Mobile-IPv6, NEMO, DiffServ, Multihoming) Open-Source Software (Linux, RTLinux, RTAI)

28 OpenAirInterface.org Open test framework for innovative IP-based Air interface technologies Website CVS repository (HW/SW) Forum (for internal/external development) Generic/reconfigurable Air Interface for Cellular topologies Mobile AdHoc/MESH Point-to-multipoint and Single-Relay Networks

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