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ISP Traffic

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  • 14th May 2001 at 14:24 #33293
    Fausto
    Guest

    I’m studding ISP insfraestructure, I supouse that all ISP have to calcute the user: modem ratio, and the lines for the PSTN. I’ve only one question:

    How can I calculate those lines? In example, I have 2000 users and 10:1 ratio, how many lines I need for the PSTN? Can I give 5kbps (bandwidth) to each one?

    Thanks

    17th May 2001 at 18:32 #33294
    Alexandra Fruto
    Guest

    I´m a teacher from traffic engineer and I want to have the answer to this question.
    Thank You.

    18th May 2001 at 16:58 #33295
    Maine PE
    Guest

    Assuming you’re not going to employ any voice multiplexing between the ISP and PSTN, it seems to me you’ll want one PSTN line for each modem.

    30th May 2001 at 07:55 #33296
    Arshed(Pakistan)
    Guest

    What I have gather :
    U have 2000 users.
    U want to designyour RAS on 10:1 ratio.
    It means u r designing ur network on .1 erl traffic.

    u need there fore 200 lines so that it can satisfy the traffic of .1 erl to ur user.

    Ur ISP banwidth has nothing to do, with PSTN lines.

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