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    Technische Universitt MnchenLehrstuhl fr Kommunikationsnetze

    Prof. Dr.-Ing. W. Kellerer

    A D E EC A:

    /G

    15..2013 DE/IGF 5.2.4

    A B K

    H

    K H

    ED

    , G

    , , G

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    2

    Future network requirements?

    : H,

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    3

    Why change the current EPC architecture?

    C EC

    I

    I

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    5

    What do NFV and SDN bring to the mobile core?

    A

    +

    +

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    6

    EPC potential for virtualization?

    D

    B

    2

    H CF C

    5/8

    1

    E

    E

    10

    1

    G

    6

    7 G

    G

    G

    11

    4

    GG

    EC E, H, CF, ...

    F EC : G G

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    What are the study steps?

    /

    ( 1.3)

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    G / G AAI

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    S-GW and P-GW Analysis

    C

    A

    D F

    D F

    G

    C F

    G G 3G

    E /, , A , ..

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    EF EAIAI F

    DEIED FCI

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    C

    A

    DF

    D F

    G

    C

    F

    D

    F

    I

    2 F 1.0

    2 3G 23.203, , 2010

    OpenFlow Realization of Derived Functions

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    Charging (Offline and Online) Frameworks

    CD

    F

    F F

    F C

    F F

    CD

    D

    a) Offline charging

    C C

    F F

    F C

    F

    C

    E

    F E

    :

    D

    b) Online charging

    C C

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    GTP Matching Frameworks

    ) )

    ) + ) +

    ()

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    DECED FCI

    DEE ACHIECE

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    Functions deployment possibilities?

    1)

    +

    +

    +F

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    G

    B

    +

    2

    5

    1E

    E

    10

    1

    4

    G

    4

    I D

    11

    Functions deployment possibilities?

    2)

    F

    +

    +

    +

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    Functions deployment possibilities?

    4)

    +

    EC

    +

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    Conclusion

    ?

    EC : G G

    D EC

    A F :

    ) C

    )

    ) E+ H

    ) E+

    D EC

    F ,

    E

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    /G

    KI

    F

    C

    G/

    /

    F

    Outlook

    :

    C

    E

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    ?

    A.B, . K, . H, K. H, E.D. , A D E EC:

    A: / , IEEE D4F, , 2013

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    Functions deployment possibilities?

    1)

    A

    D

    +

    +

    + F

    ()

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    Functions deployment possibilities?

    1)

    A

    D

    +

    +

    + F

    ()

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    Functions deployment possibilities?

    2)

    F

    +

    +

    +

    ()

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    Agenda

    I

    EC A: G G F

    D/F E D F

    D EC A

    C

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    What do NFV and SDN bring to the mobile core?

    A

    A

    /

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    /

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    EPC Analysis

    G G

    C

    A

    D F

    D F

    G

    C

    F

    /

    ()

    ()