On Fri, 22 Nov 2002 10:30:35 -0200 Andreas Hasenack <andreas@conectiva.com.br> wrote: > Em Thu, Nov 21, 2002 at 08:55:05PM -0200, Christoph Simon escreveu: > > My understanding is, that for equalize to work, all lines must go to > > the same point and that must not be the end point. Also, this same > > point must implement the equalize very much the same way. > > What is it that you call a "point" here (destination)? The same ISP? The > same network? > > I understand that it should be the same ISP because of egress filtering, > that is, one ISP should block packets with a source address that doesn't > belong to the ISP supplying the link. I was thinking of a configuration like: Satelite Main-Office -> ISP1 -m- LAN1 -> ISP2 -m- ISPx -> linux-router2 -> ISP-BIG -> -> ISP3 -m- If I have an office with one big Internet tube (e.g., MBs), I can put "linux-router2" there. Then all satelite offices could use one or more modems to reach this router. That linux-router2 would NAT everybody coming from the modems and forward the packets to ISP-BIG. Nobody in LAN1 would even attempt to reach linux-router2, which is the last point where their actually source addresses are known. With equalize this should allow for a packetwise loadbalancing to increase the effective bandwidth even for a single file transfer between a host in LAN1 and ISP-BIG. In this configuration, all modem lines go finally to one point (linux-router2) and that is not the endpoint. In fact, all internal clients would use linux-router2 as the default gateway. No cooperation of any ISP is required. This configuration makes sense if LAN1 and linux-router2 are in different cities and either LAN1 has no other reliable choice than modems or wants redundancy. ISP-BIG also needs to be cheap and reliable enough for this to make sense. As I said before, I didn't play too much with equalize, but can't see a essencially different scenario for a packet-wise loadbalancing. -- Christoph Simon ciccio@kiosknet.com.br --- ^X^C q quit :q ^C end x exit ZZ ^D ? help . _______________________________________________ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/
