NGN Next Generation Network - dl. ?· NGN Next Generation Network : ... ( Next Generation Network) ... Call Agent Media Gateway Controller ˚ . (

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  • 1

    NGN

    Next Generation Network

    :

    1/7/1391

    NGN : 1 1-1

    NGN 2- 1

    1 -3 :Circuit Switch Packet Switch

    NGN : 1-4

    NGN : 2

    NGN 1- 1

    IMS 2- 1

    NGN : 3

    NGN : 4

    : 5

    NGN : 6

    NGN : 7

    NGN : 1 1-1

    :

    1- PSTN ) Public Switch Telephone Network(

    ) (PLMN Public Land Mobile Network) ( -2

    )PSDN ) Public Switch Data Network -3

    (Next Generation Network ) NGN

    .

    www.SoftGozar.com

  • 2

    . NGN PSTN/PLMN/IN PSTN 1,2.3.4

    (1)

    (2)

    www.SoftGozar.com

  • 3

    (3)

    (4)

    www.SoftGozar.com

  • 4

    NGN: Y.2001 ITU-TNGN 13

    Packet

    QoS .

    .

    mobility ) (

    .

    NGN Packet Switch Circuit Switch

    Broadcasting . SIP base

    GPON MSAN LTE Wimax .

    PSTN Soft switch .OPEX

    PSTN NGN .IMS

    . Fix Mobile NGN

    Real Time Transport)RTP ) ) (

    Transmission Control Protocol)TCP) . ( UDP ( User Datagram Protocol

    . .

    . .

    IN . NGN 1980 Inteligent Network)IN)

    Service Switching Point)SSP) Service Control Point)SCP) IN .

    . SSP SCP IN Application Part)INAP)

    NGN ,

    " " . ,

    ,

    Multi media , ,

    .

    ,

    NGN .

    Packet Based , NGN " ,

    . ) IP ( IMS

    .

    ,

    .

    , (Calling) , (PSTN)

    NGN. , ,

    . ". "

    .

    www.SoftGozar.com

  • 5

    NGN 1-2

    -1 ) LTX( ) LX(

    .

    .

    -2

    Online ..

    ...

    .

    -3 ) PSDN( ) PSTN(

    .

  • 6

    .

    .

    -4 .

    .

    .

    -5

    .

    . PSTN

    -6 NGN

    .

    IP -7 IP

    IPV6

    .

    IP

    PSTN(

    ATM Frame Relay ( ADSL

    .

    -8

    .

    . NGN

  • 7

    -9 ) WDM(

    .

    % 80

    .

    NGN

    )CAPX ( )OPEX (

    .

    .

    . NGN OPEX CAPEX .

    NGN -10

    .

    / NGN

    .

    : NGN

    -1

    -

    web-based - -

    (OPEX ) (CAPX ) - 2

    -

    -

    -3

    -

    -4

    www.SoftGozar.com -

  • 8

    -

    PLMN(

    NGN ) PSTN PSDN

    . Server Client .

    NGN -

    -

    -

    IN -

    -

    ( Hosted , Managed )

    -IP Telephony

    ...... - VOIP VPN , IP Centrex, WPBX:

    -Unified Communications -Audio / Video Broadcasting -Multi Media Conferencing with Presence Services -Contact Center Solutions

    NGN

    1- NGN .

    -2

    . IN , ) feature server( .

    . -3

    www.SoftGozar.com

  • 9

    4- NGN ,

    .

    , API -5

    .

    . -6

    . -7

    8- NGN .

    . -9

    . -10

    ) burst( , -11

    .

    . IP

    . NGN , ,

    : NGN

    ) ( (Softswitch) -1

    . Call Agent Media Gateway Controller

    ) ( (Media Gateway) - 2

    (AMG (Access Media Gateway .

    . (WMG(Wireless Media Gateway (TMG(Trunk Media Gateway

    )Signaling GATEWAY( - 3

    ) ( (Media Server) - 4

    ) ( (Application Server) - 5

    .

    1 -3 :Circuit Switch Packet Switch

    .

    .

    .

  • 10

    : Packet Switching

    -

    -

    . . Pay load

    .

    .

    www.SoftGozar.com

  • 11

    NGN : 4- 1

    . ITU-T NGN ETSI TISPAN

    ITU-T Y.2001 Y.2011 NGN :

    NGN

    Qos

    NGN

    NGN

    Y.2001

    Y.2001 NGN . Y.2001 NGN

    :

    / /

    www.SoftGozar.com

  • 12

    /

    ) (

    www.SoftGozar.com

  • 13

    NGN : 2

    NGN 2-1

    NGN

    .

    :

    ) SDH WDM( ) IP ATM(

    : NGN

    (Application/Service)

    (Control/Softswitch)

    (Transport - IP/ MPLS)

    (Access)

    .

    . NGN

  • 14

    www.SoftGozar.com

  • 15

    (Access)

    .

    (Transport - IP/ MPLS)

    . IP ATM

    . IP ATM

    .

    ... SDH Ethernet DWDM IP ATM .

    .

    : ) Core(

    Synchoronous Transport Module(STM-N( SDH(Synchoronous Digital Hierarchi)

    WDM/DWDM(Dense Wavelength Division Multiplexing)

    IP ATM

    NGN

    : (Access Switch) ) .

    NGN .

    :(Edge Switch) ) .

    .

    .

    :(Core Switch) )

    . ) (

  • 16

    (Control/Softswitch)

    NGN .

    . TDM .

    )SG)Signaling Gateway (Soft Switch)

    . Media Gateway) MGW)

    . Media Gateway Controllre .

    IN

    .

    :

    -

    . CCS7 -

    . Call Agent

    (Application/Service) .

    NGN

    . NGN *

    . *

    . *

    . ) ( *

    *

    .

    NGN

    : NGN

    Third-Party

    www.SoftGozar.com

  • 17

    .

    NGN

    Access IP

    Gateway .

    .

    IP TDM

    .

    IMS 2-2

    IMS

    IP Mulitimedia Subsystem

    IMS IP

    .

    IMS . ) ( NGN

  • 18

    PSTN PSDN IMS PLMN NGN IP

    .

    IMS NGN (Session Initiation Protocol)SIP

    .

    . NGN SIP IMS

    www.SoftGozar.com

  • 19

    NGN : 3

    NGN - 3-1

    : NGN

    ) ( (Softswitch) -1

    . Call Agent Media Gateway Controller

    ) ( (Media Gateway) -2

    (AMG (Access Media Gateway .

    . (WMG(Wireless Media Gateway (TMG(Trunk Media Gateway

    )Signaling GATEWAY( - 3

    ) ( (Media Server) - 4

    ) ( (Application Server) - 5

    .

    :

    Soft Switch - 1 . NGN

    Media Gateway , Signaling Gateway . Signaling Gateway )

    (Callsetup )( Teardown OSS BSS . Soft Switch . Media Gateway Controller Call Agent

    .

    . ) AAA ( ,

    , , OA&M )logging ( SIP, H.323 , ISUP) ,) TRIP (

    Soft Switch BICC SIP-T . Soft Switch ) , API . MGCP SIP

    , (PSTN) TCAP ISUP SS7

    .

    2- Media Gat

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