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Gang Chen chengang@chinamobile Carl Williams carlw@mcsr-labs Dan Wing dwing@cisco

Happy Eyeballs Extension for Multiple Interfaces draft-chen-mif-happy-eyeballs-extension-02 IETF 81-Quebec, July 2011. Gang Chen chengang@chinamobile.com Carl Williams carlw@mcsr-labs.org Dan Wing dwing@cisco.com Andrew Yourtchenko ayourtch@cisco.com. Changes since IETF# 80.

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Gang Chen chengang@chinamobile Carl Williams carlw@mcsr-labs Dan Wing dwing@cisco

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  1. Happy Eyeballs Extension for Multiple Interfacesdraft-chen-mif-happy-eyeballs-extension-02IETF 81-Quebec, July 2011 Gang Chen chengang@chinamobile.com Carl Williams carlw@mcsr-labs.org Dan Wing dwing@cisco.com Andrew Yourtchenko ayourtch@cisco.com

  2. Changes since IETF#80 Added and categorized multiple criteria to judge which interface is optimal

  3. Preconditions Hard User preferences No 3G while roaming Only use free WiFi Operator policies No 2.484GHz WiFi (channel 14) Soft “Best” path draft-ietf-mif-dhcpv6-route-option-01 draft-ietf-mif-dns-server-selection-03 Bandwidth/Latency Optimal data plan

  4. Selection Stage 1 Filter Stage 2 Sort • End goal: • “Best” interface selection with fallback • Merge the preferences

  5. Adopt Further work Identify more preconditions Decide how to handle conflicts New focus: requirements document

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