How to get the Internet Speed

Discussion in 'Java' started by, Mar 31, 2006.

  1. Guest

    hi all,
    I need to get the internet speed,how can i get this
    plz help
    , Mar 31, 2006
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  2. James McGill

    James McGill Guest

    On Thu, 2006-03-30 at 23:34 -0800, wrote:
    > hi all,
    > I need to get the internet speed,how can i get this

    Transfer a stream of bytes across a socket and measure the time elapsed.

    You might be able to make some native query to get signal rate of an
    interface, but that won't tell you anything (you can have a 100Mb
    ethernet to a router that's connected via 56K)

    Networks can be asymmetric, can vary from one moment to the next, can
    have all kinds of different latency issues. If you want, say, a
    webservice to know if the client is on a dialup versus a broadband
    connection, the best thing to do is ask the user. If that's not an

    If you can trust the client clock and have enough precision, you could
    have it send you a timestamp and get a rough idea of the transfer rate.
    Or you could possibly make this transparent on the server side with a
    redirect. There might even be a way to do this in an Apache bridge with
    a servlet container like Tomcat.

    If it's just a client program that wants to get the transfer rate from
    the host it's running on, you could just make it do an http get against
    google or something reliable like that, and measure the time it
    takes for the bytes to arrive.

    Maybe there are better ways.
    James McGill, Mar 31, 2006
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  3. wrote:
    > hi all,
    > I need to get the internet speed,how can i get this
    > plz help

    If the connection is to something outside your local LAN the most
    significant factor is packet transit time, not bytes/sec, so I'll assume
    transit time is what you want to measure.

    You can measure UDP round trip times directly with the ping utility
    program. Ping is a standard command line utility for virtually every
    operating system.

    There's no equivalent way to measure request/response round trip times
    on a TCP connection. If you're using a *nix operating system (UNIX,
    Linux, FreeBSD, Solaris, OS X) you can easily script a simple solution
    by using netcat (known as nc on some systems) as both client and server,
    send a known number of messages and use the time utility to measure the
    elapsed time. If netcat isn't installed you can get it from

    If you have any other operating system you'll have to write a simple
    client/server pair and time individual request/response pairs. Use the
    Socket and Date classes for communication and timing respectively. See
    also the Stopwatch class that was published here last week.

    martin@ | Martin Gregorie
    gregorie. | Essex, UK
    org |
    Martin Gregorie, Apr 1, 2006
  4. Roedy Green

    Roedy Green Guest

    Roedy Green, Apr 1, 2006
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