[68416] in North American Network Operators' Group
Re: Enterprise Multihoming
daemon@ATHENA.MIT.EDU (Marshall Eubanks)
Thu Mar 11 13:09:02 2004
Date: Thu, 11 Mar 2004 13:08:11 -0500
Cc: Gregory Taylor <greg@xwb.com>,
John Neiberger <john.neiberger@efirstbank.com>, <nanog@merit.edu>
To: Pekka Savola <pekkas@netcore.fi>
From: Marshall Eubanks <tme@multicasttech.com>
In-Reply-To: <Pine.LNX.4.44.0403111923360.20494-100000@netcore.fi>
Errors-To: owner-nanog-outgoing@merit.edu
There is another thing - if you are multi-homed, and want to switch
providers, it is pretty seamless and painless - no renumbering, no
loss of connection, etc., as you always have a redundant path.
On Thursday, March 11, 2004, at 12:34 PM, Pekka Savola wrote:
>
> <On Thu, 11 Mar 2004, Gregory Taylor wrote:
>> Mutli-homing a non-ISP network or system on multiple carriers is a
>> good
>> way to maintain independent links to the internet by means of
>> different
>> peering, uplinks, over-all routing and reliability. My network on
>> NAIS
>> is currently multi-homed through AT&T. I use a single provider as
>> both
>> of my redundant links via 100% Fiber network. Even though this is
>> cheaper for me, all it takes is for AT&T to have some major outage
>> and I
>> will be screwed. If I have a backup fiber line from say, Global
>> Crossing, then it doesn't matter if AT&T takes a nose dive, I still
>> have
>> my redundancy there.
>
> Well, I think this, in many cases, boils down to being able to pick
> the right provider.
>
> I mean, some providers go belly-up from time to time. Others are
> designed/run better.
>
> For a major provider, complete outage of all of its customers is such
> a big thing they'll want to avoid it always. If it happens, for a
> brief moment, once in five years (for example), for most companies
> that's an acceptable level of risk.
>
> --
> Pekka Savola "You each name yourselves king, yet the
> Netcore Oy kingdom bleeds."
> Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings
>
>
Regards
Marshall Eubanks
T.M. Eubanks
e-mail : marshall.eubanks@telesuite.com
http://www.telesuite.com
