Date: Thu, 15 May 2003 21:24:15 -0400 From: Barney Wolff <barney@databus.com> To: "Justin C. Sherrill" <justin@shiningsilence.com> Cc: freebsd-net@freebsd.org Subject: Re: load balance ordinary traffic Message-ID: <20030516012415.GB10926@pit.databus.com> In-Reply-To: <1051.192.168.0.251.1053039362.squirrel@home.shiningsilence.com> References: <49537.24.93.1.61.1053029897.squirrel@home.shiningsilence.com> <20030515213812.GA8905@pit.databus.com> <1051.192.168.0.251.1053039362.squirrel@home.shiningsilence.com>
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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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