Date: Mon, 26 Dec 2005 01:47:12 -0800 From: "Ted Mittelstaedt" <tedm@toybox.placo.com> To: <danial_thom@yahoo.com>, "Winelfred G. Pasamba" <winelfredpasamba@gmail.com> Cc: pretenda@wrgn.net, freebsd-questions@freebsd.org Subject: RE: FreeBSD router two DSL connections Message-ID: <LOBBIFDAGNMAMLGJJCKNMEBOFDAA.tedm@toybox.placo.com> In-Reply-To: <20051224155848.72649.qmail@web33309.mail.mud.yahoo.com>
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>-----Original Message----- >From: Danial Thom [mailto:danial_thom@yahoo.com] >Sent: Saturday, December 24, 2005 7:59 AM >To: Ted Mittelstaedt; Winelfred G. Pasamba >Cc: pretenda@wrgn.net; freebsd-questions@freebsd.org >Subject: RE: FreeBSD router two DSL connections > > > > >--- Ted Mittelstaedt <tedm@toybox.placo.com> >wrote: > >> >> >http://www.edimax.com/html/english/products/PRI582.htm >> >> "...Performs Outbound load balancing by >> session, weight round robin or >> traffic..." >> >> Note that they say by SESSION not by PACKET. >> >> It's marketingspeak. They are simply using the >> term load balancing >> for a device that doesen't actually load >> balance. Apparently >> they figure that if they say "session load >> balancing" even though >> there is no such accepted definition, that then >> they are somehow not >> lying. >> >> It's akin to someone saying that "FreeBSD is a >> kind of Linux" in a >> sentence that uses Linux to indicate "open >> source operating systems" >> >> Apparently you never heard the old saying "A >> grain of truth is >> buried in all great lies" > >I'm not sure what your primary language is, but >"round robin" IS packet balancing. > In an engineers treatise, perhaps. but this is a marketing document and your just assuming that they mean "per packet" they could have easily meant that the sessions were round-robined. >Suppose you have 2 "pipes": > >Round Robin: > >1 packet to pipe1 >1 packet to pipe2 >1 packet to pipe1 >1 packet to pipe2 > >Weighted round Robin, weighted 2 to 1: > >1 packet to pipe1 >1 packet to pipe1 >1 packet to pipe2 >1 packet to pipe1 >1 packet to pipe1 >1 packet to pipe2 > >"Per session" balancing may be useful when you >have paths that are not very "equal". If you load >balance to different ISPs packets could arrive >out of order (in fact they are likely to). You cannot load balance to 2 different ISPs unless your running BGP I already went over this. Does this product speak BGP? Ted
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