Re: load balance ordinary traffic

From: Barney Wolff (barney_at_databus.com)
Date: 05/16/03

  • Next message: Wes Peters: "Re: load balance ordinary traffic" 
    Date: Thu, 15 May 2003 21:24:15 -0400
To: "Justin C. Sherrill" <justin@shiningsilence.com>

    On Thu, May 15, 2003 at 06:56:02PM -0400, Justin C. Sherrill wrote:
    > > This is unlikely to work with cable modems. You're already competing
    > > with your immendiate neighbors for a fixed pie of cable bandwidth.
    >
    > It'll work just fine; the shared cable line supplies far more bandwidth
    > than what several modems will eat, and this area is not oversubscribed.
    > Also, I have a mix of modems - some DOCSIS, some older proprietary
    > Motorola, which use different parts of the broadcast spectrum, and so do
    > not affect each other's bandwidth, directly.

    And all of these will work with the head end at once? Interesting.

    > > However, what you can't do is have
    > > a single TCP connection on a single local host use both external lines.
    >
    > How about multiple TCP connections on a single local host using multiple
    > lines? I know I could stick particular local machines to a particular
    > network gateway, but at that point I could just hook them up directly to
    > individual modems.

    You could enhance the ipfw code to allow matching bits within the source
    or dest port number, as is allowed now on ip addresses.

    > > That would require at a minimum cooperation from your ISP which they
    > > are most unlikely to provide.
    >
    > I work at my ISP. What's the cooperation bit?

    To use parallel links you'd need to run MPPP over PPPoE, on both ends.
    FreeBSD can do that, I believe. Can RR? 

    -- 
Barney Wolff         http://www.databus.com/bwresume.pdf
I'm available by contract or FT, in the NYC metro area or via the 'Net.
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  • Next message: Wes Peters: "Re: load balance ordinary traffic"

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