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Multi-Threaded SSH/SCP

Posted by kdawson on from the recovering-wasted-bandwidth dept.

neo writes "Chris Rapier has presented a paper describing how to dramatically increase the speed of SCP networks. It appears that because SCP relies on a single thread in SSH, the crypto can sometimes be the bottleneck instead of the wire speed. Their new implementation (HPN-SSH) takes advantage of multi-threaded capable systems dramatically increasing the speed of securely copying files. They are currently looking for potential users with very high bandwidth to test the upper limits of the system."

8 of 228 comments (clear)

  1. A likely story by sqldr · · Score: 5, Funny

    Hi, I've invented a new way of downloading pron^H^H^H^H^H^Hcopying files across a network. If you have uber bandwidth, please contact me urgently!

    --
    I wrote my first program at the age of six, and I still can't work out how this website works.
    1. Re:A likely story by neumayr · · Score: 2, Funny

      They're overrated..

      --
      Truth arises more readily from error than from confusion. -Francis Bacon
    2. Re:A likely story by empaler · · Score: 2, Funny

      AND they get pregnant.

    3. Re:A likely story by Mister+Whirly · · Score: 3, Funny

      Because slasdotters generally can either only afford to pay for the porn site, or pay for the girl, but not both.

      --
      "But this one goes to 11!"
  2. this is just what i've been looking for by Anonymous Coward · · Score: 2, Funny

    not that scp as-is isn'--stalled--

  3. Oblig applicable Dilbert by bigmouth_strikes · · Score: 4, Funny

    Wally: "My proposed work plan for the year is to stress-test our product under severe network conditions. I will accomplish this by downloading large image files from the busiest servers on the net."

    (PHB rejects suggestion)
    (later)

    Wally: "I was this close to making it my job to download naughty pictures."
    Dilbert : "It's just as well; I would have had to kill you."

    ( http://books.google.com/books?id=dCeVfKrZ-3MC&pg=PA77&source=gbs_selected_pages&cad=0_1&sig=xD5tmMhG1RcspLch8gCIJu8ro2U#PPA79,M1 )

    --
    Oh, I can't help quoting you because everything that you said rings true
  4. Linux kernel version 2.6.17 to 2.6.24.1 by arkarumba · · Score: 3, Funny

    Preferably, we would like to test it any very high bandwidth systems running Linux kernels version 2.6.17 to 2.6.24.1.

  5. News just in! by j.a.mcguire · · Score: 5, Funny

    Crowds were shocked to discover that multi-threaded software runs faster on a multi-core system, it was hard to contain the excitement over the discovery which could revolutionise software development!