How much bandwidth needed for remote desktop

Discussion in 'Windows Server' started by Bryce, Apr 23, 2007.

  1. Bryce

    Bryce Guest

    How much bandwidth do I need for each remote desktop user onto a WTS box?

    Is the bandwidth only being used while there is screen refreshing going on?

    Which would mean with heavy users 200 Kbps each and with less heavy users
    maybe half of that?
    Bryce, Apr 23, 2007
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  2. My experience:
    Upload: 64 kbps (It's just keystrokes!)
    Download: 64 kbps (irritatingly slow), 256 (useable), 512 (good).
    Pegasus \(MVP\), Apr 23, 2007
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  3. Bryce

    Herb Martin Guest

    Not much is "Needed" -- more makes it less irritating.

    200 Kbps each will depend on if they are REALLY concurrent and what
    they are doing.

    The more clients you have (as long as you have the 200K each) the more
    likely it will be ok since they won't all be doing something at the same

    It's a fact from queuing theory.

    Two clients are going to see conflicts much more often than 50 if you
    allocate the same bandwidth per client.

    Same goes for pegasus numbers as you multiply clients.
    Herb Martin, Apr 24, 2007
  4. Bryce

    Bryce Guest

    So if I've got a T1 (1.54) with heavy users I should plan on about 7 users
    (7 x +/- 200kpbs)

    On the otherhand, if I've got lot's of users who aren't typing or doing
    lot's of screen refreshes, but just have open sessions on one of our WTS's
    (just checking back now and then on their email for example), then
    theorectially I could have 20-30 users.

    Am I close?

    Bryce, Apr 24, 2007
  5. Bryce

    Herb Martin Guest

    Yes, maybe more even, but that is the way to think it through.

    7 concurrent, and maybe a lot who are "just connected".

    The server will likely start suffering before the network does in
    many cases.

    If the users are properly set up (cache graphics, bandwidth hints,
    disable desktop features etc) and running an app that "just sits
    there mostly then more can work.

    If the users are all trying to "watch a video" or "view graphics
    slide shows rapidly" then less.

    This also matters for the CPU as does the question: Will they
    all run the SAME app, or a small set of aps?

    What will you use this for? 20 people running the customer
    service app? Or 2 running Excel, 1 Running word, 3 running
    Photoshop (you might be done already.)?
    Herb Martin, Apr 24, 2007
  6. Bryce

    Bryce Guest

    I see what's going on here now and understand it much more. Thanks everyone!

    Bryce, Apr 24, 2007
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