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    Re: Last I checked, 403 < 830 (Score: 1)
    by Netsnipe (netsnipe at. debianplanet dot. org) on Thursday, May 23 @ 07:02:07 BST
    (User Info)

    Look at the distances involved.

    [ No Comments Allowed for Anonymous, please register | Parent ]

    I get it now (Score: 0)
    by Anonymous on Thursday, May 23 @ 07:05:00 BST

    Had to dig through a couple of levels of links, but I get it now. The land-speed-record is not just about bitrate, but about the product of bit-rate and distance. (in other words, the measurement is of “bit-meters”/second, not simply bits/second)

    When you think about it, this *does* make sense in terms of what they are trying to achieve; when you double the distance, you are doubling the transmission round-trip delay, which causes problems for TCP on LFNs (networking term: Long Fat Networks – usually pronounced “elephants”) So to win the award, they don’t have to just have fast hardware, but fast, well-tuned TCP stacks which can handle the special problems posed by LFNs. (There are a series of TCP options which deal with things like Window scaling, protecting against packet “serial numbers” wrapping around, etc. In order to win this competition, your TCP stack will need to support these extensions, *and* be well tuned (minimizing data copies, etc.)

    So it’s actually a pretty smart contest, designed so that to win the bragging rights, you have to deal with all the “real-world” problems involved in moving lots of bits over long distances the same way “real applications” would do it.

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    Re: Last I checked, 403 < 830 (Score: 1)
    by mr_jimmybob ( on Friday, May 24 @ 01:11:25 BST
    (User Info)

    I thought doing *anything* with a OS other than Microsoft was better/cooler 🙂

    Have fun!

    [ No Comments Allowed for Anonymous, please register | Parent ]

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