North American Network Operators Group

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On the subject of multihoming

  • From: Charles Wyble
  • Date: Tue Nov 04 15:32:19 2008

I'm working on a small experiment which utilizes multiple outbound links (in the experiments case multiple consumer 3G connections [to 2 Sprint/2 Verizon/1 AT&T], Time Warner Cable Modem and an SBC Global DSL connection.

What is the best way to do outbound traffic engineering? I would like to be able to determine the best path possible and send traffic out the appropriate link.

Could this be done with a copy of the BGP tables?

Obviously as they are consumer connections, I wouldn't get a BGP feed so would need to download a copy, which has the risk of stale data. Perhaps some sort of multihop BGP setup?

I have done some research and found a lot of references to small site multihoming without BGP for link redundancy but not for traffic engineering.