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Thread: Number of connections with the Wowza System Requirements

  1. #1
    Join Date
    Nov 2011
    Posts
    21

    Default Number of connections with the Wowza System Requirements

    Hi,

    The Wowza Server needs that:
    CPU: Single Quad Core, 3.00 GHz or better
    RAM: 4GB
    Disk: 2 or more in RAID 0 (striping)
    Network: 1Gb Ethernet

    How many simultaneous connections the server can handle with that?

    Regards

  2. #2

    Default

    The approximate equation is:

    (bandwidth * .8)/bitrate

    So for a 500kbps stream and a 1gbit connection you have:

    (1000000 * .8)/500 = 1600 streams

    We multiplied by .8 to account for network overhead.

  3. #3
    Join Date
    Nov 2011
    Posts
    21

    Default

    The server will be used for streaming to iOS (iPhone and iPad), android (phone and tablet) devices.
    Do you have advice for the bitrate to use for videos?

  4. #4
    Join Date
    Nov 2011
    Posts
    21

    Default

    No one has any advice ?

  5. #5

    Default

    I think 250-500kbps is a good bitrate for those devices, depending on your desired resolution/quality.

  6. #6
    Join Date
    Nov 2011
    Posts
    21

    Default

    Ok, thanks.

    If someone has configuration templates (resolution / quality / bitrate) that it uses for each device (iPhone, iPod, iPad, Android Phone, Android Tablet).
    I'm interested.

  7. #7

    Default

    In my experience, these are about the most aggressive bitrates you can get away with without the macroblocking getting really nasty. If you're not doing live and have the benefit of a 2-pass encoder, you can drop that bitrate about 10-20%.

    240p: 300K
    360p: 600K
    480p: 900K
    720p: 1500K

  8. #8
    Join Date
    Nov 2011
    Posts
    21

    Default

    There is no need to use different videos (resolution / quality / bitrate) by mobile platforms.

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