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Core network ques

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  • #21345 Reply

    This may be a stupid question to those in the know, but I was wondering what most carriers are using for their “backbone”. For example Voip over ATM, IP Vpn or straight IP etc.

    Any insight would be greatly appreciated.

    #21346 Reply
    Jose Quintero

    There are some kind of Carriers.

    IP Carriers, for INTERNET, they are using IP over SDH or SONET (POS).

    Multiservice Carriers: they use A optical backbone with SDH/SONET/DWDM, and over it they use ATM/IP.

    Yor questios is very generale, here a general answer



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