nanog mailing list archives

Re: Consumer-grade dual-homed connectivity options?


From: Dorn Hetzel <dhetzel () gmail com>
Date: Wed, 30 Dec 2009 14:08:18 -0500

On Wed, Dec 30, 2009 at 2:03 PM, Jared Mauch <jared () puck nether net> wrote:


On Dec 30, 2009, at 10:49 AM, Paul Bennett wrote:

Is it going to be a more-effective solution to drop a few bucks on the
2960 and go through the hassle of learning how to set it up (and then
setting it up), or would I be better off putting a secured Linux distro
(e.g. gentoo-hardened, or something) on the semi-spare PC and running the
load-balancing via iproute2 and friends?

Back at the Toronto NANOG I bumped into someone who had an interesting
solution to the multihoming problem.

What they had was a machine that would key/sequence the packets and send
them out each connection (so if they had 2, it would send a copy out each).

Whichever got there first, was decapsulated and forwarded on.  Any
duplicates/late packets were dropped.  This meant that they would always
have the speed of the fastest link for either up or down.

They also had a method to load-share to bond the two (or more) links
together.

It was some custom solution they built, but something I would like to see a
link to or open-sourced.


I guess that method presume some cooperating box out there on the net
somewhere to coordinate the far end?


- Jared



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