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Seamless Secure Mobility Nada Golmie Advanced Networking Technologies Division National Institute of Standards and

2. . Seamless Future Networks. IP Based Core Networks. Media Access Systems. . Services and Applications. . . . . . . . . . . cellular. . . . . WirelineDSL/modem. . WLAN. . . . . . Interworking . Mobility Management . Roaming . . Network of Networks. . . . 3. . Everyday Usage Scenarios. . Internet.

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Seamless Secure Mobility Nada Golmie Advanced Networking Technologies Division National Institute of Standards and

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    1. Seamless & Secure Mobility Nada Golmie Advanced Networking Technologies Division National Institute of Standards and Technologies Gaithersburg, MD 20899 USA www.antd.nist.gov

    2. 2 Seamless Future Networks

    3. 3 Everyday Usage Scenarios

    4. 4 Emergency Response Scenario

    5. 5 Military Usage Scenario

    6. 6 Mobility Granularity

    7. 7 Key Challenges Scalability – roaming from any access network to any other access network (2G, 3G, 4G, Wi-Fi, Wi-Max, Bluetooth, Satellite, Ethernet) Standard handover interfaces – interoperability between different vendor equipment. Cross-layer solutions - extensions to layer 1 & layer 2 functionalities in order to optimize higher layer mobility architectures (MIPv4, MIPv6, SIP). QOS guarantees during handover – no disruption to user traffic: extreme low latency, signaling messages overhead and processing time, resources and routes setup delay, near-zero handover failures and packet loss rate Security – user maintains the same level of security when roaming across different access networks.

    8. 8 Access Scalability

    9. 9 Access Media Properties Different media and coverage areas from few square meters to hundred of kilometers Different architectures and protocols for routing, transport, mobility management Different authentication, key management and encryption schemes Different services offered and user demands ranging from low-data-rate non-real-time applications, to high-speed real-time multimedia applications.

    10. 10 Industry and Standards Activities Internet Engineering Task Force Detecting Network Attachment Processing Layer 2 Triggers Mip4 Mobile IP version 6 Mip6 Mobile IP version 4 Mipshop MIPv6 signaling and Handoff Optimization Mobopts IP Mobility optimizations research group Nemo Network Mobility

    11. 11 Cross-Layer Protocol Interactions

    12. 12 Secure Mobility

    13. 13 Comparing Cryptographic Suites

    14. 14 Factors Impacting Security Radio Transmission Network Architecture Cellular Mesh Internetworking Shared Medium CSMA/CA Polling Cryptography Mobility

    15. 15 Practical Issues in Secure Mobility Single administrative domain – pairing of user security levels on different access networks Multiple administrative domain – need for (re)authentication Lack of quantitative measures for security performance Menu driven security options for equipment vendors and service providers increase complexity Dependence on threat environment, equipment capabilities and usage scenarios.

    16. 16 Project Roadmap

    17. 17 An Approach to Secure Mobility

    18. Secure & Seamless Mobility

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