[68427] in North American Network Operators' Group
Re: Enterprise Multihoming
daemon@ATHENA.MIT.EDU (Crist Clark)
Thu Mar 11 14:35:15 2004
Date: Thu, 11 Mar 2004 11:34:51 -0800
From: Crist Clark <crist.clark@globalstar.com>
In-reply-to: <Pine.LNX.4.55.0403111011120.19306@seatpost.its.uiowa.edu>
To: Jay Ford <jay-ford@uiowa.edu>
Cc: John Neiberger <john.neiberger@efirstbank.com>, nanog@merit.edu
Errors-To: owner-nanog-outgoing@merit.edu
Jay Ford wrote:
[snip]
> Many/most of my external connectivity problems are provider-related rather
> than circuit-related. Having two circuits to a single provider doesn't help
> when that provider is broken. I'm not saying that multi-ISP BGP-based
> multi-homing is risk-free, but I don't see multi-circuit single-provider as a
> viable alternative.
FWIW, I've had almost the exact opposite experience. Almost all of our
connectivity problems have been circuit issues. Two T1s to the same ISP
at one site has saved us from a lot of pain. OTOH, we also do have some
ISP diversity, though we haven't needed it nearly as much as redundant
circuits.
YMMV. HAND.
--
Crist J. Clark crist.clark@globalstar.com
Globalstar Communications (408) 933-4387
